The situation which describes an elastic collision is two glass marbles bounce off each other which is therefore denoted as option A.
What is Elastic collision?This is referred to as the type of collision between two bodies in which the total kinetic energy of the two bodies remains the same.
On the other hand, inelastic collision is the type of collision in which the total kinetic energy of the two bodies doesn't remain the same as a result of it being transferred to the other body.
Elastic collision is depicted in two objects bouncing off each other as the kinetic energy is not lost while a tossed water balloon flattening when it lands on the grass depicts the transfer of kinetic energy hence such outcome which is therefore the reason why option A was chosen as the correct choice.
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What is the number of mole for 22.4 l gas at STP?
Answer:
1 mole
Explanation:
This very useful relationship is often used in the working with gases. At STP, all gases occupy 22.4 liters. It is a very useful conversion factor that is very useful in gas law calculations.
if a small weather balloon with a volume of 42.0 l at a pressure of 1.00 atmosphere was deployed at the edge of typhoon odessa, what was the volume of the balloon when it reached the center?
The volume of the balloon at the center of the typhoon is 43.75L.
The low atmospheric pressure at the core of a tropical storm affects how powerful it is. Typhoon Odessa, which made landfall in the Pacific Ocean in August 1985, had winds that could reach 90 miles per hour and a pressure that was 40.0 mbar lower at the centre than the surrounding atmosphere. When Hurricane Andrew (shown), which had winds of up to 165 mph, struck south Florida, its central pressure was 90.0 mbar lower than its surroundings.
It is presumed that the temperature is constant because no variations were mentioned. Therefore, the new volume at the core of Typhoon Odessa is calculated using Boyle's law, which explains the relationship between pressure and volume. According to Boyle's law, P1V1 = P2V2 in mathematics.
If we assume that 1 bar = 1 atm, 1 mbar = 0.001 atm, and 40 mbar = 0.040 atm
P1=1.0 atm, V1=42.0 litres, P2=1 atm - 0.040 atm = 0.960 atm, and V2=?
Employing P1V1 = P2V2
V2 = P1V1/P2
V2 = 1.0 * 42.0 / 0.96
V2 = 43.75L
Consequently, the balloon at the typhoon's core has a 43.75 L volume.
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a vessel contains teo bulbs connected by a valve. initial conditions: the valve is closed, the 2l bulb contains nitrogen gas at a pressure of 5 atm, the 3l bulb contains carbon dioxide gas at a pressure of 3 atm. the valve is opened and the gases are allowed to mix. what is the partial pressure of nitrogen in this new mixture
The partial pressure was found to be 2 atm
What exactly is partial pressure?
When we have a combination of two or more gases in the same volume, we use the phrase partial pressure to indicate the pressure created by each of the individual gases in the mixture.
partial pressure = (absolute total pressure) (volume fraction of gas component) For the component gas "i": pi = P × F.
Volume fraction of nitrogen = volume nitrogen / total volume
=>2l/2l+3l = 2/5
Pressure of nitrogen is indicated = 5atm
Nitrogen partial pressure Equals pressure of nitrogen volume proportion of nitrogen
=>Nitrogen partial pressure=52/5=2
Nitrogen partial pressure in the new mixture is 2 atm.
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Partial Pressure is defined as if a container filled with more than one gas, each gas exerts pressure. The pressure of anyone gas within the container is called its partial pressure.
What exactly is partial pressure?
When we have a combination of two or more gases in the same volume, we use the phrase partial pressure to indicate the pressure created by each of the individual gases in the mixture.
partial pressure = (absolute total pressure) (volume fraction of gas component) For the component gas "i": pi = P × F.
Volume fraction of nitrogen = volume nitrogen / total volume
=>2l/2l+3l = 2/5
Pressure of nitrogen is indicated = 5atm
Nitrogen partial pressure Equals pressure of nitrogen volume proportion of nitrogen
=>Nitrogen partial pressure=52/5=2
Nitrogen partial pressure in the new mixture is 2 atm.
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if the solvent-solute interactions are weaker than the average of the solvent-solvent and solute-solute interactions, then heat is absorbed from the surroundings and the overall mixing process is said to be
If the solvent-solute interactions are weaker than the average of the solvent-solvent and solute-solute interactions, then heat is absorbed from the surroundings and the overall mixing process is said to be endothermic process.
The endothermic process can be defined as the process in which the reactants the will absorbed the heat from the surroundings . the heat is gained from the surrounding in the endothermic process and the surroundings temperature will decreases.
The solvent - solute interaction < solute - solvent interaction \and the solute solute interaction then the solution may be or may not be formed.
Thus, then heat is absorbed from the surroundings and the overall mixing process is called as endothermic process.
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For a substance to have absolute "zero entropy," the following conditions must be true. Select all of the correct answers.-there is only one microstate-the substance is at absolute zero Kelvin-the substance is perfectly crystalline
There must be just one microstate, the solid must be ionic, and it must be completely crystalline.
The concept of entropy with examples.
A measure of the system's energy distribution's entropy. We come across evidence that the cosmos aims for the highest level of entropy in many facets of human life. A campfire is an example of entropy. Hard wood melts and transforms into ash, air, and fumes, all of which disperse energy faster than liquid fuel.
In what units is entropy measured?
J/K is the unit of measurement for entropy. The absolute, or Kelvin, digital thermometer must be used to calculate the heat required by this equation. On this scale, zero is the lowest possible temperature that any substance might experience. At absolute zero, all atom motion ceases, and the disorder in a substance is zero (0 K).
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What intermolecular forces does Ethanol have?
Answer:
Hydrogen bonds
Explanation:
Hydrogen bonds are a special type of dipole-dipole forces in which the hydrogen atoms is bonded to a highly electronegative atom or to another hydrogen atom. In the structure of ethanol there is an O-H bond which indicates hydrogen bonding.
which types of fossil fuels emit the highest amounts of co2 per unit of energy produced? which types produce the least? geol 1305
Compared to burning natural gas or petroleum, coal combustion produces more carbon dioxide.
Natural gas produce the least CO2.
The primary source of most emissions of greenhouse gases (GHG) that are created by humans is the burning of fossil fuels like coal, natural gas, and petroleum for energy.
The basic components of fossil fuels are carbon and hydrogen. When fossil fuels are burned, oxygen reacts with both carbon and hydrogen to create CO2 and water (H2O). Coal emits the highest amount of CO2.
We use the heat produced by these reactions as energy. The fuel's carbon content determines how much CO2 is generated (emitted), while the fuel's hydrogen and carbon contents determine how much heat is generated.
Natural gas combustion creates less CO2 than burning other fossil fuels because natural gas, which is primarily composed of CH4, has a high hydrogen concentration.
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If Vanadium lost an electron how would it's electron configuration change? Why?
Answer:
Vanadium is a transition metal, so it can lose an electron from its outermost energy level to form a positively charged ion.
If Vanadium loses an electron, its electron configuration would change to reflect the loss of an electron.
For example, the electron configuration of Vanadium in its neutral state is [Ar] 3d^3 4s^2.
If it loses an electron, its electron configuration would change to [Ar] 3d^3.
This is because the lost electron would come from the 4s orbital, which is the outermost energy level of Vanadium.
Explanation:
A olvent i found to be 50. 0% oxygen, 37. 5% carbon, and 12. 5% hydrogen. What i the empirical formula of thi olvent
The empirical formula of the solvent is CH4.
Relative number of atoms
Of H= 25/1 = 25
Of C= 75/12 = 6.25
What is a solvent?
Solvents are a heterogeneous group of structurally different chemicals that can be used to dilute, dissolve, or disperse other compounds. The ability of a solvent to dissolve another molecule depends on the molecular structure and physical properties of both the solvent and the solute. Solvents can be categorized as organic or inorganic and in terms of chemical polarity. Polar solvents include water, alcohols, and other chemicals containing –OH, such as acetic acid, which have the ability to donate H+ and form hydrogen bonds. Polar solvents lacking the –OH group, including acetonitrile, dimethylformamide, and dimethylsulfoxide, are protophilic solvents and are used to dissolve less polar solutes.To know more about solvents and solutes, click the link given below:
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What are 5 benefits of using calcium chloride to melt ice?
The benefits of using calcium chloride are, it is more efficient, it is safe for concrete, it is helpful for soil, it releases heat and it is pet friendly.
Calcium chloride is a very good agent for removing ice because of the following five reason,
1. It give a better performance with the decrease in temperature.
2. It provide more result even when present in less amount.
3. It is safe for concrete as it do not harm the concrete structure.
4. It releases heat when it melts the ice.
5. It is pet friendly because it is not toxic in nature.
The above mentioned reasons are what makes calcium chloride a better agent for melting the ice on roadways.
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The boiling points for a set of compounds in a homologous series can be qualitatively predicted using intermolecular force strengths. Using their condensed structural formulas, rank the homologous series for a set of alkanes by their boiling point. Rank from highest to lowest boiling point. To rank items as equivalent, overlap them.
The decreasing order for the boiling point will be: heptane (CH₃CH₂CH₂CH₂CH₂CH₂CH₃) > 3,3-dimethylpentane (CH3₃CH₂CCH₂CH₃CH₃) >Hexane( CH₃CH₂CH₂CH₂CH₂CH₃CH₃ )> Butane(CH₃CH₂CH₂CH₃)
What does boiling point mean?Boiling point can be described as the temperature that causes the transition from liquid to vapor state. Boiling point depends on molar mass and branching. Since they are all alkanes, they have the same potency. so from their structure:
Pure hydrocarbons have the highest boiling point as heptane. 3,3-Dimethylpentane has a branched hydrocarbon with 7 carbon atoms, so it has a higher boiling point.Hexane is a pure hydrocarbon, but due to its low molecular weight, its boiling point continues to rise.Butane has the lowest boiling point because it has four carbon chains.Intermolecular forces hold molecules together in a liquid or solid, as opposed to intramolecular forces such as strengths of covalent bonds that bind atoms or polyatomic ions within molecules. Intermolecular forces are often much weaker than covalent bonds.
your question is incomplete but most probably your full Question was
The boiling points for a set of compounds in a homologous series can be qualitatively predicted using intermolecular force strengths. Using their condensed structural formulas, rank the homologous series for a set of alkanes by their boiling point. Rank from highest to lowest boiling point. To rank items as equivalent, overlap them.
a)CH₃CH₂CH₂CH₃
b) CH₃CH₂CH₂CH₂CH₂CH₃CH₃
c)CH3₃CH₂CCH₂CH₃CH₃
d)CH₃CH₂CH₂CH₂CH₂CH₂CH₃
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Given that s is the central atom, draw a lewis structure of OSF4 in which the formal charges of all atoms are zero.
Valence electrons: 34, The Lewis structure of SF4 contains a total of 34 valence electrons. To determine the ideal Lewis structure for the molecule SF4, formal charges should be taken into consideration.
How many lone pairs are there in total in the ideal Lewis structure for SOF4?We get 15 lone electron pairs out of the 30 non-bonding electron pairs that are present on the outer F and O atoms. Therefore, there are three lone electron pairs and six non-bonding electrons in each fluorine and oxygen atom. As a result, there are 3 x 4 (F) + 3 (O) = 15 total lone electron pairs on the SOF4 leis structure.
What shape does osf4 take?An inorganic compound gas having the formula SOF4 is thionyl tetrafluoride. Oxide of sulfur tetrafluoride is another name for it. The oxygen is located on the equator of the molecule's deformed trigonal bipyramid structure.
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acetyl-coa carboxylase (acc) is the major control point of fatty acid synthesis. how is it regulated?
Allosteric regulation involves the activation of the enzyme by citrate and the inhibition of the enzyme by long-chain fatty acyl-CoA.
The primary regulatory enzyme for the production of fatty acids is acetyl-CoA carboxylase (ACC). The covalent modification involves the inactivation of the enzyme by phosphorylation.
Malonyl-CoA is a crucial substrate for the synthesis of fatty acids in lipogenic tissues and a crucial regulatory molecule in muscle, the brain, and other tissues. Acetyl-CoA carboxylase (ACC) catalyzes its creation.
The rate-limiting enzyme for controlling the production of fatty acids, acetyl CoA carboxylase, is hypothesized to be regulated by protein inhibitors, covalent modulation, its aggregated state, and allosteric effectors.
Acetyl-CoA carboxylase (ACC) is a key enzyme in the control of fatty acid metabolism because it catalyzes the carboxylation of acetyl-CoA to create malonyl-CoA, an intermediate substrate.
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A compound reacts with an element to form a new compound and a different element.
a. True
b. False
A compound reacts with an element to form a new compound and a different element is true.
Is a compound a brand-new material distinct from the constituent parts?A new substance is produced when various sorts of atoms combine to form a compound. The physical and chemical characteristics of new compounds differ from those of the original elements. They now have separate lives. Formulas for compounds are used to identify the elements from the periodic table that are mixed.
A synthesis reaction involves the interaction of components or compounds with one another to create a single new substance. A single component will disintegrate to produce two or more new compounds in a breakdown process. The chemicals created might be a combination of both compounds and elements.
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one of a class of elements having properties intermediate to metals and nonmetals.
Metalloids are one of a class of elements having properties intermediate to metals and nonmetals.
What are Metalloids?
In chemistry, a chemical element that forms a simple substance with properties in-between those of a conventional metal and a typical nonmetal is referred to as a metalloid.
Metalloids resemble metallic appearances, yet they are typically fragile and have bad electrical conductors. These substances typically act chemically as non-metals. Metallic alloys can be created by metalloid species.
A tiny group of elements known as "metalloids" can be found in the periodic table of elements near the zigzag line that separates metals from non-metals.
Examples include germanium, silicon, and boron
What characteristics do metalloids share in common?
Metalloids are good semiconductors.
The reactivity of metalloids is dependent on the properties of the elements they are reacting with.
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How does the difference between the ranges of the strong nuclear force and the coulomb force affect the makeup of each atom’s nucleus?
The difference between the ranges of the strong nuclear force and the coulomb force that holds atomic nuclei together is the nuclear force, the tight force between nucleons.
At very short distances, nuclear forces repel, keeping protons and neutrons from getting too close to each other. The strong force holds together quarks, the elementary particles that make up the protons and neutrons of the atomic nucleus, and further holds the protons and neutrons together into the atomic nucleus.
As such, it is responsible for the underlying stability of matter. The nuclear force arises from the exchange of virtual optical mesons, such as virtual pions, and two types of virtual mesons with spin (vector mesons), rho mesons and omega mesons.
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a 7.74 mass % aqueous solution of sodium chloride has a density of 1.02 g/ml. calculate the molarity of the solution.
The molarity of the solution is 1.43M.
What is molarity?
Molarity is a unit used to measure the concentration of a solute in a solution. It is expressed as the number of moles of the solute in one liter of the solution. Molarity is defined as the number of moles of solute per liter of the solution. When a solution is formed by dissolving a solute in a solvent, the concentration of that solution is typically expressed as its molarity. Molarity is an important concept in chemistry as it is used to calculate the amount of a solute needed to prepare a solution of a specific concentration. It can also be used to calculate the amount of a reactant to be added in a reaction. Knowing the molarity of a solution is therefore essential in many chemical processes.
Density = 1.02 g/mL i.e. Mass of 1L of NaCl = 1020g
7.74% aqueous solution of NaCl means 100g of solution contains 7.74g of NaCl i.e. 7.74/58.44 mol of NaCl [molar mass of NaCl = 58.44g/mol]
Hence ,in 1020g of solution ,amount of NaCl = (7.74/58.44)×1020/100 mol = 1.3464 mol
1020g of solution contains (1020-1020×7.74/100)g = 941.052 g of H2O
Hence , 1000g of H2O contains
(1.3464/941.052)× 1000 mol of NaCl = 1.43M
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which gas is most likely to depart from the assumption of the kinetic-molecular theory that says there are no attractive or repulsive forces between molecules? which gas is most likely to depart from the assumption of the kinetic-molecular theory that says there are no attractive or repulsive forces between molecules? ne ccl3f n2 ch4 none of the above
None of the aforementioned, as SF6 is the gas that is most likely to deviate from the kinetic-molecular theory's presumption that there are no forces of attraction or attraction between molecules.
Kinetic-molecular theory: What is it?The kinetic-molecular theory, which describes the states of matter, is based on the presumption that matter is composed of minuscule particles that are constantly in motion. This theory explains the observable properties and behaviors of solids, liquids, and gases. The theory specifically relates to the gas's ideal-gas representation.
How do molecules work?The physical and chemical properties of a substance are present in even the tiniest constituent. Molecules are made up of one or more atoms. They could include different atoms or the same atoms. if there are multiple (a water molecule has two hydrogen atoms and one oxygen atom).
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a 245-g sample of pure carbon contains 1.3 parts in 1012 (atoms) of 146c. the half-life of 146c is 5730 yr. part a how many disintegrations occur per second?
The disintegrations occur per second is 76.2 decay/ sec.
what is disintegrations ?
A compound can be broken down into two or more simpler molecules or atoms by a process called chemical disintegration. Reversible or irreversible, endothermic or exothermic are the two terms used to describe all chemical disintegration reactions.
What is half-life ?
The half-life is the amount of time it takes for a radioactive isotope to decay by half. The half-life of a specific radioactive isotope is constant; it is unaffected by outside influences and has no connection to the isotope's initial concentration.
Mass of sample = 305g
ratio of C₆¹⁴ in the sample N =13/ 1d²
Half life C₆¹⁴ T1/2 = 530*36s*10^7sec
atomic mass of pure carbon C₆¹⁴ M=12g
avagadro number Nₐ=6.03*10^23
hence the number of radioactive nuclei of C₆¹⁴
n=m/M*Nₐ*n
305/ 12* 6.023* 10²³* 13/10¹²
= 1.99*10¹³nuclei
decays/secs ΔN/Δt= nt
ΔN/Δt= n* 0.693/T1/2
ΔN/Δt= nX 0.693/T1/2
ΔN/Δt= (1.99*10²³) (0.693/5730*3.16*10⁷)
Δn/Δt= 76.2 decay/ sec
Therefore, disintegrations occur per second is 76.2 decay/ sec.
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What is the half-life of carbon 14?
5700 ± 30 years
Carbon 14 is an isotope of carbon, which has longest life amongst the three isotopes of carbon but very low abundance as compared to the other isotopes of carbon.
Carbon-14 nucleus has six protons and eight neutrons, for an atomic mass of 14.
It is a radioactive isotope of carbon.
Its half life is too high which makes it useful for dating in archaeology and to know age of fossils.
Carbon-14 decays slowly in a living organism. After the organism dies, it ceases to absorb carbon-14, such that the amount of the isotope in the tissues of decayed organisms decreases.
It has a half-life of 5,730 ± 30 years which means half of the amount of the isotope present at any instant will undergo disintegration during the next 5,730 years.
Carbon-14 decays at a constant rate, an estimate of the date at which an organism died can be made by measuring the amount of its leftover carbon-14.
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A student was testing an unknown element to see if it was a metal or non metal. The element was solid, dull in appearance, very brittle , and conducted electricity. What was this unknown element?
Answer:
The element was one of the alkaline metals, the dull appearance comes from the metal reacting with oxygen and oxidizing its outer surface as alkaline are known for their enormous reaction with oxygen in the air and water.
Another ability of this group of elements is the ability to conduct electricity. And they are also easy to cut with a kitchen knife.
the half life for the radioactive decay of rubidium- to strontium- is years. suppose nuclear chemical analysis shows that there is of strontium- for every of rubidium- in a certain sample of rock. calculate the age of the rock. round your answer to significant digits.
Rubidium-87 to strontium-87 radioactive decay has a half life of 4.88 1010 years. According to nuclear chemistry analysis, a particular rock sample has 0.423 mmol of strontium-87 for every 1.000 mmol of Rb-87.
Strontium-87 is produced when the naturally occurring isotope rubidium-87 decays by beta emission. The theory behind a technique for dating rocks is based on this deterioration. There are detectable levels of rubidium (Rb) and strontium (Sr) in the majority of igneous, metamorphic, and sedimentary rocks. However, because they are nearly never present in amounts greater than 1%, these elements are rarely found in normal chemical analyses. Strontium does create a carbonate (strontianite) and a sulfate (celestite), which are found in some hydrothermal deposits and certain sedimentary rocks, particularly carbonates, but neither rubidium nor strontium is a substantial component in the common rock-forming silicate minerals.
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explain why broad absorbances are expected for compounds containing alcohol and carboxylic acid functional groups. draw the hydrogen bonding interaction between two ethanol molecules.
The broad absorbances are observed for COOH and OH . Because they form intermolecular hydrogen bonding.
What is intermolecular hydrogen bonding?
Intermolecular hydrogen bonding is a type of attractive force between molecules. It occurs when a hydrogen atom is covalently bonded to a highly electronegative atom, such as oxygen, nitrogen, or fluorine. The hydrogen atom then acts as an electron donor, transferring its electron density to the electronegative atom. This creates an electrostatic attraction between the molecules, resulting in a strong bond. Hydrogen bonds are responsible for the unique properties of water, such as its high boiling point and surface tension. They also play a role in the structure of proteins and DNA. Hydrogen bonds are weaker than covalent bonds, but can be formed between molecules that are far apart. This makes them important for many biological, chemical, and physical processes.
The broad absorbances are observed for COOH and OH . Because they form intermolecular hydrogen bonding.
The hydrogen bonding interaction between two ethanol molecules
CH3-CH2-OH ------------ OHCH2-CH3
Dotted line = intermolecular interaction .
e.g. NH3
Tertiary butyl alcohol is sterically hindered(CH3)3C-OH===== tertiary butyl alcohol
Here presence of bulky methyl group H- bond ability decreases and hence broad absorption is not observed.
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There is a direct relationship occurring between rising CO2 levels in the atmosphere
and rising global average temperatures.
A. True
B.False
Answer:
b
Explanation:
What are the 3 types of chemical bonds and which is the strongest?
A chemical bond can be formed by exchange of electrons, sharing of electrons.
There are majorly three types of chemical bonds.
These are:
Ionic Bond,
Covalent Bond,
and Metallic Bonds.
And out of these three types of bonds, Ionic Bonds are the strongest bonds.
Ionic Bond: When an atom lose or gain the electron to attain the stability it forms ions and the attractive forces between two oppositely charged ions is known as ionic attractions or electrostatic attractive forces.
and such formed bonds are known as ionic bonds.
An ionic bond is formed when the difference between the electronegativities of two atoms is high as an electron transfer to occur to form the ions.
Covalent Bond: A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.
A covalent bond is formed when the electronegativity difference of two atoms is too small for an electron transfer to occur to form ions.
Metallic Bonds: Metallic bonds are made up of electrostatic attraction between metal cations and the delocalized electrons. Metallic bond is collective sharing of valence electrons between several positively charged metal ions.
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find all states for the lowest energy electronic configuration for the titanium atom allowed by the pauli principle. you do not have to specify the j quantum number. arrange the states in order of increasing energy.
A titanium(Ti2+) ion's electronic configuration is [Ar]3d2.
The greatest L = 1 + 2 = 3 3F for two in d in parallel spins and two unpaired electrons.
L = 3, S = 1, J = 4, 3, 2, and 3F2 are less than halfway full.
High J indicates little energy if the shell is filled to a level higher than halfway. The ground state is accurately predicted by these criteria. Total angular momentum, quantified by the number J, is the sum of an atom's total orbital angular momentum (measured in terms of L) and total spin angular momentum (measured in terms of S). L and and do not always have to be pointing in the same direction, therefore J can range from |L-S| to |L+S|.
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Which is the correct statement regarding the relative Rf values of the starting methyl benzoate vs the product, methyl m-nitrobenzoate on a silica gel TLC plate. The product has a higher Rf value on a silica gel TLC plate because it is less polar than the starting methyl benzoate. The product has a lower Rf value on a silica gel TLC plate because it is less polar than the starting methyl benzoate. The product has a higher Rf value on a silica gel TLC plate because it is more polar than the starting methyl benzoate. The product has a lower Rf value on a silica gel TLC plate because it is more polar than the starting methyl benzoate. Methyl benzoate is more reactive than benzene in Electrophilic Aromatic Substition [EAS] reactions. True False
Due to its higher polarity than the beginning methyl benzoate, the product's Rf value on the a gel TLC plate is lower.
The statement is true
What Are people harmed by benzoate?The FDA has also given it the GRAS (generally regarded as safe) designation. If ingested in doses of less that 5 mg/kg or body weight per day, sodium benzoate is regarded as safe for human health. This level saw the establishment of the Acceptable Daily Sodium intake (ADI).
Why is benzoate poisonous?Despite being regarded as safe, scientists have demonstrated that mixing sodium benzoate with ascorbic acid can have unfavorable side effects (vitamin C). Their research shows that it eventually transforms into benzene, a recognized carcinogen that may result in cancer.
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Typically, when two atoms form a chemical bond, the expected result is that the electrons.
When atoms form chemical bonding then the atoms attain Noble gas configuration.
Noble gas configuration of an atom includes the fundamental image of the ultimate noble fueloline previous to that atom, observed via way of means of the configuration of the ultimate electrons.so for sodium, we make the substitution of [Ne] for the 1s22s22p6 a part of the configuration. Sodium's noble fueloline configuration becomes [Ne]3s1.
Covalent bonds, atoms percentage pairs of electrons, at the same time as in ionic bonds, electrons are absolutely transferred among atoms in order that ions are formed.During the formation of a chemical bond, the predicted end result is that the electrons will whole a noble fueloline configuration in each atoms. Typically, while atoms shape a chemical bond, the predicted end result is that the electrons.
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Complete each of the following half-reactions with the correct number of electrons and then arrange them from strongest oxidizing potential to strongest reducing potential. Strongest oxidizing Potential Drag the text blocks below into their correct order. Fea (aa) Fee (aq) Eo -+0.77 v Cua (aq) Cu (aq Eo +0.15 V 6e F (g) 2F (aq) Eo +2.87 V H.(g) Eo +0.00 V 2H (aa) 5e Aus (aa) Au(s) 1.50 V la(s) 2 (aq) E +0.53 V 4e Strongest Reducting Potential
The order of reducing potential is H⁺< Cu⁺² < I₂< Fe⁺³ < Au⁺³ < F₂ .
Given:
Fe⁺³ (aq) + e⁻ → Fe⁺² (aq) E° = +0.77 v
Cu⁺² (aq) + e⁻ → Cu⁺ (aq) E°= +0.15 V
F₂ (g) + 2e⁻ → 2F⁻ (aq) E° = +2.87 V
2H⁺ (aq) + 2e⁻ → H₂ (g) E° = 0.00 V
Au⁺³ (aq) + 3e⁻ → Au(s) E° = 1.50 V
I₂ (s) + 2e⁻ → 2I⁻ (aq) E° = 0.53 V
Smallest reducing potential means strongest oxidation potential.
So, the order of reducing potential is H⁺< Cu⁺² < I₂< Fe⁺³ < Au⁺³ < F₂ .
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one method for quantitative determination of the concentration of constituents in a sample analyzed by gas chromatography is the area normalization method. in this method, complete elution of all of the sample constituents is necessary. the area of each peak is then measured and corrected for differences in detector response to the different eluates. this correction is accomplished by dividing the area by an empirically determined correction factor. the concentration of the analyte is found from the ratio of its corrected area to the total corrected area of all peaks. for a chromatogram containing three peaks, the relative areas were found to be 15.3, 40.5, and 28.3 in the order of increasing retention time. calculate the percentage of each compound if the relative detector responses were 0.60, 0.76, and 0.92, respectively.
Analyte concentration is the first step.
The precise concentration of the analyte must be determined in order to produce accurate results. Concentrations are often expressed as moles per liter.
Given data in step two.
The problem's knowns are listed in the table to get things started. Data for chemicals, and were examined.
Area relative to a compound
A B C relative detector response
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Determine the compound percentages in step 3.
To find the corrected area, divide the relative detector response by the relative area. The corrected area is then divided by the total corrected area, which results in the percent of the compound, which is relative detector response corrected area compound relative area .
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Analyte concentration is the first step.
The precise concentration of the analyte must be determined in order to produce accurate results. Concentrations are often expressed as moles per liter.
Given data in step two.
The problem's knowns are listed in the table to get things started. Data for chemicals, and were examined.
Area relative to a compound
A B C relative detector response and
Determine the compound percentages in step 3.
To find the corrected area, divide the relative detector response by the relative area. The corrected area is then divided by the total corrected area, which results in the percent of the compound, which is relative detector response corrected area compound relative area .
To know more about compound click the link below:
brainly.com/question/13516179
#SPJ4