One type of chemical mutation is DNA replication. Biological Mutagens Some mutagens deaminate DNA nucleotides (bases) in order to remove necessary changes.
such that the DNA replication machinery is confused since these bases appear to be different chemical mutation. The modifications are subsequently permanently included in subsequent rounds of DNA replication. They refer to substances that do not combine with DNA but instead change the base-pairing characteristics and structural moieties of the nucleobases. Base modifying substances alter the specificity of the hydrogen bonds between nitrogenous bases. The process of deamination involves removing an amino group from a molecule. Deaminases are the enzymes responsible for catalyzing this process. Although it can also happen in the kidney, deamination typically occurs in the liver in the human body.
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Can chlorine form two bonds?
Double bonds are not formed by chlorine. To complete its octet, oxygen requires two bonds (two single bonds or one double bond) and two lone pairs.
Chlorine can only form single bonds unless, for instance, it is bonded to oxygen (ClO3H), in which case, the oxygen forces chlorine to form double bonds.
The chemical element chlorine has the atomic number 17 and the symbol Cl. The second-lightest halogen, fluorine is situated between bromine and fluorine in the periodic table and has most of its features in the middle. At room temperature, chlorine is a gas that is yellow-green.
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Which element is most likely to react with bromine?
Bromine reacts with many of the metals and elements. Anhydrous bromine is less reactive than wet bromine; however, dry bromine reacts vigorously with aluminium, titanium, mercury as well as alkaline earth metals and alkaline metals.
Bromine is the only liquid nonmetallic element at room temperature and one of five elements on the period table that are liquid at or close to room temperature. The pure chemical element has the physical form of a diatomic molecule, Br2.
It is a heavy, mobile, reddish-brown liquid, that evaporates easily at standard temperature and pressures in a red vapor (its colour resembles nitrogen dioxide) that has a strong disagreeable odour resembling that of chlorine. A halogen, bromine resembles chlorine chemically but is less active. It is more active than iodine, however. Bromine is slightly soluble in water, and highly soluble in carbon disulfide, aliphatic alcohols (such as methanol), and acetic acid. It bonds easily with many elements and has a strong bleaching action.
Bromine is highly reactive and is a powerful oxidizing agent in the presence of water. It reacts vigorously with amines, alkenes and phenols as well as aliphatic and aromatic hydrocarbons, ketones and acids (these are brominated by either addition or substitution reactions).
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the theoretical hvap for hexane is 28.88kj/mol. in terms of intermolecular forces, explain the difference between the heat of vaporization of water and hexane.
the theoretical hvap for hexane is 28.88kj/mol whereas of water is 2260KJ/mol, it means that intramolecular forces in hexane are weaker than that of water, thus, lesser heat is required for vaporisation.
The amount of energy required to turn a portion of a liquid substance into a gas is known as the enthalpy of vaporization, commonly referred to as the heat of vaporization or heat of evaporation. The pressure at which the transformation occurs affects the enthalpy of vaporization.
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What is a good description of bacterial reproduction? (1 point)
Responses
rapid reproduction through binary fission
slow reproduction through sexual reproduction
fast reproduction through sexual reproduction
slow reproduction through binary fission
A good description of bacterial reproduction is rapid reproduction through binary fission. That is option A.
What is binary fission?Binary fission is defined as the type of asexual reproduction whereby an organism multiplies to form new organisms through the separation of the body into two new bodies.
The process of binary fission include the following:
The organism such as bacteria, duplicates its genetic material( deoxyribonucleic acid).It then divides into two parts (cytokinesis),After each division, the new organism receive one copy of DNA. each.Under ideal conditions some bacterial species may divide every 10–15 minutes—a doubling of the population at these time intervals.
Therefore, the good description of bacterial reproduction is rapid reproduction through binary fission.
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which of the following best describes a result of the polar nature of water molecules? water molecules repel each other. the volume of water decreases by nearly half when it is frozen. water molecules repel most other substances. ionic compounds dissolve easily in water.
In water, ionic substances dissolve quickly. This sentence outlines how water molecules are polar nature. A polar covalent molecule is water.
Due to the unequal sharing of electrons between the atoms and the molecule's (side) asymmetrical structure, a water molecule has two poles: a positive charge on the hydrogen pole (side) and a negative charge on the oxygen pole. The water molecule has a curved form, which means that the majority of the negative charge from the oxygen is on one side of the molecule and on the other atoms positive charge from hydrogen is present. As a result, the water molecule can be described as polar.
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would it be better to use an unknown acid sample of a siz3e that should require 10 ml or one that would require 15 ml of titrant
It be better to use an unknown acid sample of a size that should require 10 ml or one that would require 15 ml of titrant.
Define titration process.
Titration is a method of chemical analysis where the amount of a sample's ingredient is determined by adding an exact known amount of a different substance to the measured sample in which the desired constituent interacts in a specific, known proportion.
It doesn't matter how much titrant is needed; what matters is how to get to the titration's end point.
Although an unknown acid sample of a size that should require 10.00 ml of titrant will be better to reduce the time of mathematically calculation only.
Therefore, it be better to use an unknown acid sample of a size that should require 10 ml or one that would require 15 ml of titrant.
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according to the normative view of science, what should scientists leave at the laboratory door?
In the normative view of science, scientists should leave their personal values at the laboratory door.
Information which is created, presented, or interpreted based on an assumed, typically unstated, preference for a specific policy choice is described as a normative science.
Normative science is defined as a type of research that strives to identify effective strategies for reaching acknowledged aims, ends, goals, objectives, or purposes. Normative science often involves a community of inquiry and its collected corpus of provisional knowledge.
Facts and probabilities is what that public and decision-makers require from scientists when they weigh different policy options. They don't require scientists to cloak their own or their employers' biases and policy preferences in the guise of unbiased scientific information.
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what is the mole fraction of co in a container with a h2 mole fraction of 0.22 and an o2 mole fraction of 0.58?
Mole fraction of CO = 1 - ( 0.22 + 0.58)
=0.20
What is Mole Fraction?
The mole fraction is the product of the number of molecules of a certain component in a mixture and its total molecular weight
As a result, the mole fraction of each component added together is always equal to one.
Please be aware that mole fraction refers to a percentage of molecules, which is distinct from mass fraction because different molecules have different masses.
the proportion between the moles of one component in a solution and the moles of all the components together.
All of the components of a solution's mole fractions added together always equal one.
The mole fraction of co if the h2 mole fraction is 0.22 and the o2 mole fraction is 0.58 is 0.20, below is the solution:
Mole fraction CO + mole fraction H2 + mole fraction O2 = 1
Mole fraction CO = 1 - ( 0.22 + 0.58)=0.20
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White light passes through mercury vapor and is then analyzed using a spectrometer.
A. The observed spectrum consists of mercury spectral lines and nothing else.
B. The observed spectrum is continuous and contains mercury lines, but these lines are obscured by the white light.
C The observed spectrum is continuous without any missing lines.
D. The observed spectrum is continuous and contains dark absorption mercury lines.
E. None of the above.
The ability of spectroscopy to ascertain chemical composition pushed its development and remains one of its main applications. As well as gathering information about the universe's beginning, spectrometers are employed in astronomy to examine the chemical makeup of stars and planets.
What exactly does a spectrometer examine?
We can identify and analyze the atoms in a sample we place inside a spectrometer, which detects the wavelength and frequency of light.
When and where is a spectrometer used?
Devices that divide particles, atoms, and molecules according to their mass, velocity, or energy are examples of spectrometers. These spectrometers are employed in particle physics and chemical analysis.
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When white light passes through mercury vapours then The observed spectrum is continuous and contains dark absorption mercury lines.
So, Correct option is D
The capacity of spectroscopy to determine chemical composition accelerated its development and continues to be one of its primary applications. In addition to acquiring information on the origins of the cosmos, spectrometers are used in astronomy to investigate the chemical composition of stars and planets.
What does a spectrometer look for?
The atoms in a sample can be identified and analysed using a spectrometer, which measures the wavelength and frequency of light.
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rutherford found the size of the nucleus to be about. this implied a huge density. what would this density be for gold?
Rutherford found the size of the nucleus to be about 10⁻¹⁵ m, and the density for gold is 6.25 × 10²⁰ kg/m³.
Size of nucleus = 10⁻¹⁵ m
Density of gold = ?
Mass of Gold = 197 amu
Or
Mass of Gold = 197 × 1.66 × 10⁻²⁷ kg
First we will calculate the volume of the gold nucleus.
V of gold nucleus = (4 / 3) × pi × R³
Calculate the radius of the gold nucleus
Radius of gold nucleus = diameter ÷ 2
Radius of gold nucleus = 0.5 × 10⁻¹⁵ m, So
Now calculate the density
Density = 197 × 1.66 × 10⁻²⁷ ÷ 4 × pi × (0.5 × 10⁻¹⁵)³⁾³
Density = 6.25 × 10²⁰ kg/m³
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What is the standard cell potential for the cell Zn Zn2+?
The standard cell potential for Zn/Zn2+ couple is E°cell = 0.76 V
Zinc has an electrode cell potential of -0.76 V
Each electrode behaves anodically in relation to its local electrolyte when the circuit is open, and the voltmeter measures the sum of these two voltages, or 1.10 V. Between the two electrodes in a closed circuit, current flows. Copper functions as the galvanic cell's cathode and zinc as its anode, respectively (consuming electrons).
The zinc electrode dissolves (corrodes or oxidises), while the copper electrode takes up copper atoms from the solution (electroplating or reduction). As long as the circuit remains closed, this procedure continues.
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a mixture of carbon dioxide and oxygen gases, at a total pressure of 752 mm hg, contains 6.03 grams of carbon dioxide and 4.37 grams of oxygen. what is the partial pressure of each gas in the mixture?
The partial pressure of each gas in the mixture is 376 mm of Hg for both respectively.
Partial pressure is the force that a fuel exerts. The sum of the partial pressures in a combination of all of the gases equals the overall stress. The strain exerted with the aid of an character fuel in a mixture is known as its partial strain.
The partial pressure of an individual gas is same to the whole pressure improved with the aid of the mole fraction of that gas. because it is established completely on the wide variety of particles and no longer the identification of the gasoline, the correct fuel Equation applies just as well to combinations of gases because it does to pure gases.
Partial pressure is extremely essential in predicting the movement of gases. do not forget that gases generally tend to equalize their strain in two areas which are related. A gas will pass from a place in which its partial strain is higher to a place wherein its partial stress is lower
Calculation:-
Total pressure = 752 mm hg
carbon dioxide = 6.03 g
mole = 6.03/44
= 0.14
mass of Oxygen = 4.37
moles = 4.37/32
= 0.14
total = 0.28
partial pressure of oxygen = 0.14/0.28 × 752 mm
= 376 mm of Hg
Partial pressure of Carbondioxide = 376 mm of Hg
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if the density of your unknown liquid is 0.65 g/ml, calculate the volume in liters that 3 ml of your unknown liquid would occupy when vaporized at the barometric pressure and temperature of your boiling water bath in run 1. use the accepted molar mass of your suspected unknown.
Knowing the molar mass we can calculate the volume occupied by 3 x 0.65 g liquid in vapor phase.
When vaporized at the barometric pressure and temperature of your boiling water bath in run 1.
The boiling point of water at 1 atm. = 100 C = 100 + 273 = 373 K
standard STP temperature = 273 K
STP volume = 22.4 L
Temperature = (373/273) = 1.37
if the density of your unknown liquid is 0.65 g/ml.
density = 0.65 g/ml
Volume of 3 ml liquid when evaporated
= ((3 x 0.65)g/molar mass x 22.4 x 1.37
Substances take up space and have mass. Molecules, which make up substances. If we already know the number of moles needed then we can use the concept of molar mass to calculate how many grams of the substance are required. The molar mass is also known as molecular weight. It is the sum of the total mass in grams of all the atoms that make up a mole of a particular molecule. The unit used to measure is grams per mole.
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What mathematician's foundations can be found in computer aided design software and what are these elements? how is designing easier for architects today?
Mathematician fundamentals found in Computer Aided Design Software are the hypotheses and axioms that form the basis of Euclidean geometry. These elements are collections of definitions, assumptions, propositions (theorems and structures), and mathematical proofs of propositions.
How did CAD design change the world of architecture?CAD has fundamentally changed the design process by making architectural drawing creation easier and more accurate than ever before. A professional can work faster than he could a few years ago before the advent of CAD, but it still requires effort and attention to detail.
Using computer aided software to assist in the design process is known as Computer Aided Design (CAD). Various types of engineers and designers use his CAD software on a regular basis. CAD software can create both two-dimensional (2-D) drawings and three-dimensional (3-D) models.
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12.7 L of argon at 33°C and 735 torr are dissolved in enough water to give a final volume of 0.750 L. What is the molarity of the resulting solution 6.02 M 0.652 M 0.0644 M 0.489 M 4.95 M Con
The molarity of the gas can be obtained from the parameters in the question as 0.65 M. Option B
What is the molarity?We first have to take our minds back so that we can be able to understand what we mean by the molarity of a solution. We know that molarity has to do with the amount of the substance that can be found in the solution. In this case, we have to also know that the molarity can only be expressed in the units that we call mole per litre.
We now have to find the number of moles of the gas and this can only be obtained by the use of the ideal gas equation and that is what we are going to be able to do now in this problem.
PV = nRT
P = pressure
V = volume
n = Number of moles
R = gas constant
T = temperature
n = PV/RT
n = 0.97 * 12.7/0.082 * 306
n = 12.3/25.1
n = 0.49 moles
Molarity of the solution = Number of moles/volume
= 0.49 moles/0.750 L
= 0.65 M
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what is the opposite of a heterotroph
The opposite of heterotroph is autotroph.
What is heterotroph?
An organism is referred to as a heterotroph if it consumes other plants or animals for food and energy. Its origins are in the Greek words hetero, which means "other," and trophe, which means "nutrition."
Examples - Human, birds, dogs, etc.
What is autotroph?
A primary producer, also known as an autotroph, is an organism that uses energy from light or inorganic chemical reactions to create complex organic chemicals from simple ones, such as carbon dioxide.
Example - plants, algae etc.
The opposite of heterotroph is autotroph.
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the number of significant figures in the measurement of 45.030 mm is . question 38 options: a) three b) six c) none d) four e) five
The correct answer is Option E
e) five
What is Significant figures?
The number of significant single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation is referred to as significant figures. The amount of accuracy or assurance an engineer or scientist uses to state a quantity is indicated by the number of significant figures in a statement.
Rounding off an expression once a calculation is completed yields significant figures. The number of significant figures in the result of any computation must be equal to or less than the number of significant figures in the expression or component with the least accuracy.
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in the second step of glycolysis, the cyclized form of glucose (now phosphorylated) is converted to a cyclized form of fructose. what is the purpose? group of answer choices
In the second step of glycolysis, the cyclized form of glucose (now phosphorylated) is converted to a cyclized form of fructose. the purpose is the fructose is more symmetrical.
The fructose is more symmetrical. The primary goal of glycolysis is to split a 6-carbon glucose molecule into two 3-carbon pyruvate molecules. Making the molecule as symmetrical as feasible early on is a part of the method used. In contrast to cyclized glucose, which only has one external carbon, cyclized fructose can take on a variety of configurations, one of which contains four internal carbons and both the 1-C and the 6-C external to the ring. In terms of symmetry and the capacity to be divided into nearly equal 3-C units, that last form is preferable to glucose (which through a bit of processing will indeed become identical 3-C pyruvates).
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a 230-g sample of copper is heated to 100c and placed into a cup containing 340 g of water initially at 30.0c. ignore the container holding the water, assume no heat is lost or gained to the environment. 1) find the final equilibrium temperature of the copper and water
The final equilibrium temperature of the copper and water is 38.7°C. The further explanation is shown below.
To find the final equilibrium temperature of the copper and water, we need to use the equation for calculating heat transfer. The equation is as follows:
Q = mcΔT
Where Q is the heat transferred, m is the mass of the substance, c is the specific heat capacity of the substance, and ΔT is the change in temperature. In this case, we need to find the heat transferred by the copper and the heat absorbed by the water.
For the copper, the heat transferred (Q) is equal to the mass of the copper (m) times the specific heat capacity of copper (c) times the change in temperature (ΔT). The specific heat capacity of copper is 0.385 J/g°C, and the change in temperature is 100°C - 30.0°C = 70.0°C. Therefore, the heat transferred by the copper is equal to 0.385 J/g°C * 230 g * 70.0°C = 13,705 J.
For the water, the heat absorbed (Q) is equal to the mass of the water (m) times the specific heat capacity of water (c) times the change in temperature (ΔT). The specific heat capacity of water is 4.184 J/g°C, and the change in temperature is the final equilibrium temperature - the initial temperature of the water, which we don't know yet. We'll call the final equilibrium temperature T. Therefore, the heat absorbed by the water is equal to 4.184 J/g°C * 340 g * (T - 30.0°C) = 1457.6T - 44152 J.
Since the total heat transferred must be equal to the total heat absorbed, we can set the two equations equal to each other and solve for T. This gives us 13,705 J = 1457.6T - 44152 J. Solving for T, we find that the final equilibrium temperature is equal to T = (13705 J + 44152 J) / 1457.6 = 38.7°C.
Therefore, the final equilibrium temperature of the copper and water is 38.7°C.
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the heat of combustion of ch4, is 50.1 kj/g. how much heat would be generated if 1.00 mol of ch4 undergoes complete combustion?
The 1 mol methane produce is 801.6 kJ.
What is combustion?
Burning is also known as combustion. When a fuel is heated, it combines with oxygen to form combustion. The three components of combustion—fuel, heat, and oxygen—are summarized by the fire triangle. A fire extinguishes when one of them is taken away from it.
What is heat?
Heat is the exchange of "thermal" energy brought on by a difference in temperature. Consider an isolated system that was initially composed of two subsystems operating at two distinct temperatures. The higher temperature subsystem 2 transfers energy to the lower temperature subsystem 1, and vice versa.
Heat of combustion of methane
CH4 + 2 O2 ---> CO2 + 2 H2O
Heat of combustion is the heat produced per gram from a substance .
1 mol methane = (12+4)= 16 gram
16 gram methane produce the heat energy =
(16 g x 50.1 kJ /g ) = 16 x 50.1 kJ
1 mol methane produces = 801.6 kJ
Or on Round off numerical value = 802 kJ
Therefore, 1 mol methane produce is 801.6 kJ.
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find the binding energy of carbon-12 per nucleon. the mass of a proton is 1.007276 u, of a neutron 1.008665 u, and of carbon 11.996706 u.
E of C13−BE of C12=7.5×13−7.68×12=97.5−92.16=5.34 MeV.
What practical applications exist for carbon-12?Given that it serves as the reference point for calculating the atomic masses of all other nuclides, carbon-12 is particularly significant:by definition, it has an atomic mass of 12.
Where can you find carbon-12?Numerous naturally occurring substances, including rocks like limestone, coral, as well as the shells or animals like clams, contain carbon-12.Coal and petroleum, two significant fuels, both contain carbon.
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a solution is prepared at that is initially in propanoic acid , a weak acid with , and in potassium propanoate . calculate the ph of the solution. round your answer to decimal places
The pH of the solution is 4.16.
What is pH?
pH is a numerical indicator of how acidic or basic aqueous or other liquid solutions are. The phrase, which is frequently used in chemistry, biology, and agronomy, converts the hydrogen ion concentration, which typically ranges between 1 and 10⁻¹⁴ gram-equivalents per liter, into numbers between 0 and 14.
Given,
Concentration of propanoic acid = 0.45 M
Concentration of potassium salt = 0.086 M
Now, Kₐ of propanoic acid = 1.3 × 10⁻⁵
∴ pKₙ = -log (1.3 × 10⁻⁵)
= 4.886
Using Henderson-Hasselbalch equation
pH = pKₐ + log [salt]/[acid]
= 4.886 + log(0.086)/(0.45)
=4.16
pH= 4.16.
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which type of ion channel opens and closes in response to changes in the membrane potential?
The voltage-gated channel opens and closes in response to changes in the membrane potential.
What is a voltage-gated channel?
At the resting membrane potential, voltage-gated ion channels are generally closed; but, following membrane depolarization, they open. These channels utilize a voltage-sensing domain to track changes in electric potential across the membrane.
Do passive ion channels open and close?
Ions continuously travel through passive channels, also known as leakage channels, because they are always open. Gates on active channels can open and close the channel.
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For a given molecule, when the molecule deviates from its non-ideal geometry, the non-ideal geometry is lower in energy than the ideal geometry. True or false?
The claim that the non-ideal geometry has a lower energy than the ideal geometry is untrue when the molecule deviates from it.
It contains chemical constituents and is the substance's lowest point. Atoms are not independent entities; rather, they interact to form ions and molecules, which interact to form the materials we can see, feel, and touch. Molecules are made up of one or more atoms connected by covalent (chemical) connections. Atoms can be visualised as circles with a central nucleus (made up of protons and neutrons) and one or more concentric circles surrounding it that represent the "shells" or "levels" in which the surrounding electrons of the atom's nucleus are positioned as well as markings that distinguish the electron. each level
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How many bonds are there for this compound CH2O?
Formaldehyde compound has a total of three bonds.
The compound that is provided to us is formaldehyde CH2O.
This compound contains two double bonds and two single bonds.
The carbon atom and the oxygen atom of these compounds have two bonds between them, that is why it is called a double bond.
Both the hydrogen atom forms one bond each with the carbon atom of the compound. This kind of bond formation is called single bond.
So, we can say that there are a total of three bonds in the compound because the double bond is counted as a single bond and the single bonds are counted as 1 each.
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Predict the boiling point of a mixture made up of 0. 70 mole fraction of a and 0. 30 mole fraction of b.
100.39 °C will be the boiling point of a mixture formed by 0.70 mole fraction of a and 0.30 mole fraction of b.
ReasoningAssuming in the mixture formed by the elements a and b, b is the universal solvent, that is, water, the constant Kb will be 0.512 °C/m
Data
DTb = Kb.m
DTb = 0.512 . 0.70 mole
DTb = 0.358 °C
boiling point calculation
Tb solution = Initial Tb + DTb
Tb solution = 100 °C + 0.358 °C
Tb solution = 100.39 °C
Raising the boiling point of the solutionThe boiling point of pure water of 100°C can be raised by the addition of a solute such as a salt. A solution typically has a higher boiling point than is measurable in the pure solvent.
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why would concentrated hydrobromic acid be an inappropriate catalyst for the dehydration of alcohols
HBr is too weakly acidic to protonate the alcohol it would attack the carbocation The conjugate base Bre; is a good nucleophile and to form an alkyl bromide. So the water molecule would not be good leaving group HBr strongly acidic, after protonation of the alcohol.
What is alcohol?
Alcohol, occasionally stated by using the chemical call ethanol, is a depressant drug this is the lively element in beverages which includes beer, wine, and distilled spirits (difficult liquor).it's miles one of the oldest and most typically fed on leisure capsules, causing the characteristic effects of alcohol intoxicationintoxication.A slight, quick exposure to isopropanol, being only fairly more poisonous than ethanol, is unlikely to motive any severe harm. Methanol, being profoundly extra toxic than ethanol, is deadly in portions as small as 10–15 milliliters (2–three tsp).To know more about alcohol, click the link given below:
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which ionic compound lowers its energy the most by bonding (compared to the separate ions)? use your patterns and the relationship e ~ q1q2/d.
The energy order is given as : NaCl<KNO3<CaS<CaO<MgCl2.
What is potential energy?
Potential energy is the energy possessed by an object due to its position relative to other objects, stresses within itself, its electric charge, or other factors. It is the energy stored in an object due to its position relative to other objects in a system. Potential energy can be converted to kinetic energy, which is the energy of motion. Examples of potential energy include gravitational potential energy, elastic potential energy, electrical potential energy, and chemical potential energy. Gravitational potential energy is the energy stored by an object due to its position in a gravitational field. Elastic potential energy is stored in an object when it is stretched or compressed. Electrical potential energy is the energy stored in an electric field due to the presence of electric charges. Chemical potential energy is the energy stored in the bonds of molecules and atoms. Potential energy is an important concept in physics and can be used to calculate the motion of objects and predict the behavior of systems.
E= kq1q2/d
q1= charge on cation
q2= charge on anion
d= radius of cation + anion
Cation charge order
Na⁺ < K⁺< Mg²⁺
Na is in least because Na has less size than K.
Anion order
Cl⁻<NO3⁻<O²⁻<S²⁻
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Material Density (g/cm3) Aluminum Benzene Magnesium Water Iron 2.7 0.9 1.7 1 7.8 If all of these substances were placed together in the same container, which would end up on the top?
Benzene would end up on the top, due to its low density as compared to others.
What is material density?Density (volumetric mass density or specific mass) is the mass (m) of matter per unit volume (V). Density is a standard mechanical quantity. The most common symbol for density is ρ (lowercase Greek letter rho), but the Latin letter D can also be used. Mathematically, density is defined as mass divided by volume:
ρ = m/V
For a pure substance, its density is the same number as its mass concentration. Different materials typically have different densities, which can be related to buoyancy, purity, and packaging. Osmium and iridium are the densest elements known under standard conditions of temperature and pressure.
The more dense to material get attracted by gravity and it is settle at bottom but the light one floats over it by the
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When hector turned 21, his friends took him out for his first drink. He ended up drinking far more than he planned that night, and he was badly hungover the next day. Hector enjoys spending time with his friends when they go out, but he doesn't want to feel sick the next day. Which strategy will help hector reduce the harmful effects of alcohol the next time he goes out?.
Hector's hangover is possibly due to the number of drinks or the type of drink he had with his friends.
Both the number of drinks and the type of drink influenced Hector's blood alcohol concentration.
To prevent the alcohol concentration from increasing in his blood, Hector basically has to dilute his drinks. On this he would base his strategies.
How to dilute drinks?One way is by adding water to the drinks and another would be choosing a drink with a low alcohol concentration, for example, beer has a lower alcohol content (5°) than whiskey (30° or more) or rum (35°).
Another strategy that Héctor can use is to dampen the alcohol concentration in the blood causing it to react with another substance, that is, the alcohol breaks down becoming another substance.
The breakdown of alcoholThere are certain pills that are sold without a prescription in any pharmacy and that serve to break down alcohol.
There are also some foods (for example, peanuts or walnuts) that, due to their magnesium content, manage to break down alcohol or at least prevent alcohol vapors from rising and going to your head.
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