how is electronegativity used in determining the ionic and doric relevant character of the bonding between two elements

The amount of CO2 produced by reaction with 6 kg of bicarbonate with excess hydrochloric acid is 1837.89 L.

This situation's chemical reaction is NaHCO3 + HCl NaCL + H2O + CO2 (g).

M 84 g/mol NaHCO3

44 g/mol for M CO2

As we have 6.00 kg of sodium bicarbonate, 6 kg of sodium carbonate equals 71.43 kg of sodium carbonate.

Because of the chemical reaction's stoichiometry:

71.43 moles of NaHCO3 are equal to 71.43 moles of CO2, and vice versa.

Additionally, since CO2 is an ideal gas, we can apply the formula shown below:

PV=nRT where n = 71.43 mol, R = 0.083 Ltxatm, and

V = (nRT)/P (mol K)

T = 37 °C, K = 310, and atm = 1

This means that V = (71.43x0.083x310)/1 V

CO2 = 1837.89 Lt.

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35 liters  is the volume of 32 gram of gas at STP

It is already known that 1 mole of the gas( or 32g of O2) is equivalent to 22.4 Litres of the oxygen gas.

So, 8g is equivalent to = (22.4/32) × 8 = 5.6 L of the gas.

Therefore, the gram equivalent volume of oxygen is 5.6L

O is 16g/mole, so O2 is 32g/mole. 50/32 = 1.5625 moles.

1 mole of any gas at STP is 22.4 liters.

1.5625 × 22.4 = 35 liters.

35 liters  is the volume of 32 gram of gas at STP

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Answer:

A) Insolation

Explanation:

"the amount of solar radiation reaching a given area"

Answer:

A. Insolation

Explanation:

Incoming ultraviolet, visible, and a limited portion of infrared energy (together sometimes called "shortwave radiation") from the Sun drive the Earth's climate system.

so the answer is A.Insolation

1.667 is the specific heat ratio of argon.

Specific heat is the amount of energy needed to increase a substance's temperature by one degree Celsius per gramme. Typically, the units of specific heat are calories or joules per gramme per degree Celsius. The specific heat of water, for instance, is 1 calorie (or 4.186 joules) per gramme per degree Celsius. A substance's capacity to absorb or release heat energy when the temperature changes by 1 K is measured by its specific heat, which is also known as specific heat capacity. The interior temperature will be more consistently stable the higher the specific heat is.

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The most common compounds that react well with bromine water are phenols, alkenes, enols, the acetyl group, aniline, and glucose.

Bromine water is an oxidizing, intense brown mixture containing diatomic bromine (Br2) dissolved in water (H2O). It is often used as a reactive in chemical assays of recognition for substances which react with bromine in an aqueous environment with the halogenation mechanism, mainly unsaturated carbon compounds (carbon compounds with 1 or more double or triple bond(s)).

The most common compounds that react well with bromine water are phenols, alkenes, enols, the acetyl group, aniline, and glucose. In addition, bromine water is commonly used to test for the presence of an alkene which contains a double covalent bond, reacting with the bromine water, changing its color from an intense yellow to a colorless solution.

Bromine water is also commonly used to check for the presence of an aldehyde group in compounds. In this reaction, the color of bromine water is changed to yellow from colorless (oxidation process).

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Owing to the fact that the bicycle would stop moving when it is acted upon by balanced forces, image B shows the time that the bicycle would stop moving.

We know that force is that which causes an object to move. Any time that you notice that an object is in motion, you have to take note of the fact that the object must have been acted upon by forces that are not balanced.

From the paragraph above, it is clear that the reason behind the motion of an object is that the object comes under the action of a system of unbalanced forces. As long as we have a system of balanced forces, the object would either remain at rest or in a state of uniform motion. This is a huge take away that we have from the Newton's law of motion.

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The molar mass of the unknown diprotic acid, given that 0.104 g of the acid was dissolved in 150 mL of water is 43.42 g/mol

First, we shall dtermine the mole of NaOH. This can be obtained as follow:

Mole = Molarity x Volume

Mole of NaOH = 0.103 × 0.0465

Mole of NaOH = 0.00479 mole

Finally, we shall determine the molar mass of the unknown diprotic acid. Details below:

Balanced equation:

H₂X + 2NaOH —> Na₂X + 2H₂O

Note: H₂X is the diprotic acid

From the balanced equation above,

2 moles of NaOH reacted with 1 mole of H₂X.

Therefore,

0.00479 mole of NaOH will react with = 0.00479 / 2 = 0.002395 mole of H₂X.

Molar mass = mass / mole

Molar mass of diprotic acid = 0.104 / 0.002395

Molar mass of diprotic acid = 43.42 g/mol

Thus, the molar mass of the diprotic acid is 43.42 g/mol

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10.0 liter container containing 3.0 moles of an ideal gas at 5.00 atmospheres of pressure and at 37 C. 78 dalton will be the new pressure of the container if its volume is decreased to 4.00 liters while the temperature is increased to 100 C.

Atmospheric pressure, often known as barometric pressure, refers to the pressure present in Earth's atmosphere (after the barometer). 101,325 Pa (1,013.25 hPa), or 1013.25 millibars, 760 mm Hg, 29,9212 inches Hg, or 14.696 psi, is the definition of the standard atmosphere, or atm. One atmosphere, or one atm, is about similar to the average atmospheric pressure at sea level on Earth. The hydrostatic pressure that results from the weight of the air above the measuring point is typically a close approximation of atmospheric pressure. Atmospheric pressure decreases as height increases because there is less air mass at lower elevations. due to the thinness of the atmosphere in comparison to the Earth's radius. The Earth's gravitational acceleration, which is thought to be constant with regard to height, is largely to blame for this fall-off. The SI unit for pressure is the pascal, which is equal to 1 newton per square meter (1 N/m2). A column of air with a cross-sectional area of 1 square centimeter (cm2) has an average mass of about 1.03 kilogram and exerts a force or "weight" of about 10.1 newtons, translating to a pressure of 10.1 N/cm2 or 101 kN/m2 from mean sea level to the top of Earth's atmosphere (101 kilopascals, kPa). A column of air would weigh around 14.7 lbf and impose a pressure of 14.7 lbf/in with a cross-sectional area of 1 in2.

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London dispersion forces are the elementary particle that is defeated during the transformation of hexane from a liquid to a gas.

The correct answer is B

The coulombic interactions of instantaneous dipoles lead to London dispersion forces. All molecules (and atoms) exhibit dispersion forces, which are typically higher for heavier, more polarizable, and molecules with bigger area areas.

Uneven electron distribution within an atom leads to London dispersion forces. On either side of atom, this causes a little negative () and slightly positive () charge. A transient dipole has been set up. This transient dipole can cause a transient dipole on an atom or molecule nearby.

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The molarity of an aqueous solution is found to be 0.352 mol/L.

What is molarity?

Molarity is a unit of concentration that is commonly used in chemistry, and it is defined as the number of moles of solute per liter of solution. It is symbolized by the letter "M" and is used to measure the amount of a solute that is present in a solution. Molarity is an important concept in chemistry, and it can be used to calculate the amount of a substance that needs to be added to a solution to reach a set concentration, as well as to figure out the amount of a substance that is already present in a solution. Molarity is also used to measure the concentration of acids and bases, as well as to determine the rate of chemical reactions.

No. of moles =25/ 142.05 =0.176
given volume of solution = 500mL
M= (0.176/500) × 100= 0.352 mol/L
Hence, Molarity is 0.352 mol/L.

For detailed solution check attached file.

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Because they only have one valence electron to pair, hydrogen atoms can only form one covalent bond.

Double and triple bonds can't rotate because of their pi bonds. This stiffness affects the physical makeup of compounds and may have an impact on their chemical reactivity.

1.Two hydrogen atoms, each of which contains a single electron in its valence shell, can be used to demonstrate this idea. The first shell, which has just two electrons, serves as the valence shell for tiny atoms like hydrogen atoms.

However, when two hydrogen atoms are close enough to one another, they can share their valence electrons, which results in both hydrogen atoms having two electrons in their respective valence shells. Covalent bonds are formed when atoms share electrons, and the two electrons that form these bonds are referred to as bonding pairs of electrons. A molecule is the smallest component of a compound that retains the chemical identity of that compound and is defined as a discrete group of atoms joined by covalent bonds.

2. When it comes to reactions, we will discover that a system is often more stable when a double bond is replaced by two single bonds. Second, the presence of a double bond prevents rotation while there is essentially free rotation around the axis of a single bond.

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The completed sentence contains as follows

In the first step of the Krebs cycle, pyruvate dehydrogenase condenses with oxalo-cyclate , a 4 carbon compound. It forms citrate with removal of CoA. Citrate which thus formed has 3 carboxylic acid group and hence this cycle is called TCA cycle or Tricarboxylic acid cycle.

In reaction 2, this citrate thus formed undergoes isomerization to form isocitrate. The enzyme used in the reaction is called aconitase because this isomerization happens with cis-aconitate as the intermediate.

Further, in the reaction 3, CO₂ is eliminated to form \alpha -ketoglutarate which is a 5 carbon containing carboxylic acid. Here, oxidation occurs by electron transfer to NAD⁺ which is converted from NADH.

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Sodium chloride (NaCl) reacts with silver nitrate (AgNO3) to supply silver chloride (AgCl) and sodium nitrate (NaNO3) silver chloride (AgCl) os the ppt formed.

For example, while an aqueous solution of silver nitrate (AgNO3) is delivered to the aqueous answer of sodium chloride (NaCl), a white precipitate of silver chloride (AgCl) is fashioned this is indicated via way of means of the subsequent chemical response.

As a result, white precipitates of Silver chloride is fashioned (AgCl) are fashioned and the answer of Sodium nitrate (NaNO3) is fashioned. The response is given as:

AgNO3 (aq) + NaCl (aq) ⇢ AgCl (s) + NaNO3 (aq)Ag+(aq)+Cl−(aq)→AgCl(s).

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The mole, which is denoted by the symbol "mol". 0.0063 moles of Ba(NO₃)₂ molecules is 1.65 moles of Ba(NO₃)₂.

The mole, which is denoted by the symbol "mol," is the volume of a system that includes as many elementary particles as there are atoms in 0.012 kilograms of carbon 12.

6.022 × 10²³ units of a material makeup one mole of that substance. The term "Avogadro's number" or "Avogadro's constant" refers to the number 6.022 1023. To convert between mass and the quantity of particles, use the mole concept.

The molar mass of Ba(NO₃)₂ is

137.3 + 2 (14.0) + 6 (16)

= 261.3 grams/mole

The molar mass, abbreviated M in chemistry, is a physical property represented by the mass of a particular component divided by the component's quantity. Grams/mole is always used to indicate the molar masses.

The number of moles can be as follows :

1.65 grams ÷ 261.3 g/mol

= 0.0063 moles of Ba(NO₃)₂.

Thus,  0.0063 moles of Ba(NO₃)₂ molecules is 1.65 moles of Ba(NO₃)₂.

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Butene is converted to 1,2-dibromo butane via the indicated process. This  serves as an illustration of a halogenation reaction. By combining butene plus Br2 in dichloromethaneBr2, CH2Cl2, it is possible.

When a halogen atom is replaced by another material and becomes a component of that material or a compound, the process is referred to as halogenation. A halogen or more are typically added to the material during the halogenation reaction.

Chain initiation, chain expansion, and chain termination are the three phases that make up the halogenation mechanism. The whole solution, in steps: Haloalkane is created by combining an appropriate halogen with alkane and either heating the mixture was heated to 520–670 K or doing so while the reaction is exposed to UV light.

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The enthalpy of the reaction in kj/mole of the solution is 76.51476 Kj/mole.

The amount of heat generated or absorbed in a chemical reaction when the number of moles of the reactants represented by the chemical formula are completely reacted is called the reaction enthalpy. It is expressed as ΔrH.

The change in enthalpy associated with a chemical reaction is called reaction enthalpy, abbreviated ΔH_rxn. The value of ΔH_rxn depends on how the reaction equilibrium equation is written and is usually given in units of kJ/mol-rxn.

The heat of reaction is also called the reaction enthalpy.

For the given problem:

1°C = 1.8991 Kj

40.29°C = 1 × 1.8991

= 76.51476 Kj

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When a neuron is at rest, its inside contains more K+ ions than its surrounding fluid.

The correct answer is D

Glial cells and neurons are the two main categories of brain tissue. The majority of brain cells, or neurons, are glial cells, which predominate in some parts of the brain while nevertheless playing a significant function.

The nerve cells that make up your brain, called neurons, transmit and receive signals. The anatomical and functional differences between neurons and other kinds of cells outweigh their many similarities. Axons, specialized projections that carry electrical and chemical impulses to other cells, are used by neurons.

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Meditation and  and relaxation combined form the  relaxation response techniques which have been used effectively to treat those with high blood pressure which is related to heart.

Heart is a muscular organ which is present in most of the animals , it is responsible for pumping blood via the blood vessels to the entire body.The blood which is pumped carries oxygen and nutrients along with it.Along with it on it's way back to heart it carries carbon dioxide to the lungs.

Heart has an approximate size of a closed fist and is present between the lungs in the middle compartment of the chest. It is divided in to four chambers , the upper chambers called atria and lower ones called ventricles.

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The critical value for an independent-samples t-test is total degrees of freedom. Option C.

Each topic must belong to only one group. There is no relationship between observations in each group. There are no significant outliers in the two groups. The independent-sample t-test is appropriate when the researcher wants to know whether the means of her two population groups differ.

Independent samples t-test tells whether the organization has a statistical difference between her two sets of categories or items, and if there is a statistical difference, the difference is significant.  when the observations in each group are independent of the observations in the other group increase.

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The peculiarity that goes unexplained by Lewis structures is settled by applying the molecular orbital theory option C is right i.e., the paramagnetism of oxygen particles.

Lewis structure can't make sense of the paramagnetism of oxygen particles. Just molecular orbital theory makes sense of the paramagnetism of oxygen particles since oxygen atoms contain two unpaired electrons. A Lewis structure is exceptionally improved in the portrayal of the valence shell electrons in a particle. It is utilized to show how the electrons are organized around individual atoms in a particle. Electrons are displayed as "dabs" or holding electrons as a line between the two particles. Lewis figured out the "octet rule" in his cubical particle hypothesis. The octet rule alludes to the propensity of iotas to like to have eight electrons in the valence shell. At the point when molecules have less than eight electrons, they will quite often respond and frame more steady mixtures. Atoms will respond to get in the absolute most stable state.

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Here is the electronegativity difference of bonded period 3 atoms.

Electronegativity, is the  symbolized as χ, it is the tendency to an atom of to a  given chemical element to be  attract shared electrons and  when forming of a  chemical bond. An atom's is  electronegativity is affected by the  both its atomic number .and it is

The electronegativity for  period -3 atoms

Si and cl is - Electronegativity Difference is 0.7

Polarity-δ+Si−δ−C

For mg electronegativity difference is 1.3

For si and s electronegativity difference is 1.7

For AI and p the electronegativity difference is 1.6 and 2.9 respectively.

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The millimeters of hydrogen gas that are produced are 448 mL which means option c is the correct choice.

The reaction of magnesium and hydrochloric acid is a single displacement reaction. The reaction is expressed as follows:

Mg + 2HCl= MgCl2 + H2.

There is a one is to one correspondence of Mg and H2. Hence there is also 0.02 mol of H2.

Using ideal gas law equation which states that pressure and volume are in direct relation to the temperature.

PV=nRT

where T is 273 K, P is 1 atm and R is 0.0821 L atm/mol K, volume is equal to 0.4483 L or 448.3 mL.

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Answer: a researcher bias

Explanation:

Under constant-pressure conditions a sample of hydrogen gas initially at and is cooled until its final volume is V, its final temperature is -25 C.

The letter H and atomic number 1 stand for the chemical element hydrogen. Hydrogen gas is the lightest element. Hydrogen is typically a gas with the formula H2 made up of diatomic molecules. It is very flammable, tasteless, colorless, odorless, and non-toxic. Hydrogen is the most common chemical in the universe, accounting for around 75% of all ordinary matter. Most stars, including the Sun, are composed primarily of plasma hydrogen. On Earth, hydrogen mostly manifests itself as organic and water molecules. The most common isotope of hydrogen, 1H, has one proton, one electron, and no neutrons in each of its atoms. Hydrogen is a nonmetallic element that, barring extremely high pressures, can easily form a single covalent bond with the majority of other nonmetallic elements to produce molecules like water and nearly all organic compounds. Hydrogen plays a special role in acid-base reactions because these reactions usually involve the exchange of protons between soluble molecules. Hydrogen can exist in ionic compounds as either a positively charged (or cation) species known as a hydride or a negatively charged (or anion) species known as an anion.

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The total amount of heat energy released is 598.12 J

How is heat energy calculated?

Heat energy, also known as thermal energy, is calculated by multiplying the mass, specific heat capacity, and change in temperature together. The equation is q = m * c * ΔT, where q is the heat energy, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature. In the equation, m is measured in kilograms, c is typically measured in joules per kilogram-kelvin, and ΔT is measured in kelvin. Heat energy is a form of energy associated with the motion of atoms and molecules, and it is measured in joules. It is important to note that heat energy is not the same as temperature; heat energy is a measure of energy transfer, while temperature is a measure of the average kinetic energy of the particles in a system.

Heat capacity of Hg= 28.0J/mol*K

m.p= 234.32K

Enthalpy of fusion = 2.29 KJ/mol

moles of mercury = 29.5×1mole/201g = 0.1467 moles

The heat released as it goes to liquid Q= m×c×ΔT

0.1467×28×63.83 = 262.18J

ΔT= 234.32K - 298.15K =63.83K

Heat released for 29.5g Hg(l) at 234.32K to Hg(s)

q = 0.1467 × heat of fusion

q=0.1467×2.29KJ/mol

=0.3359KJ = 335.9J

total energy = Q+ q= 598.12J

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The percent yield of phosphorus tribromide is 70.63%.

What is phosphorus tribromide?

A whitish fuming liquid with a strong smell is what phosphorus tribromide looks like. Due to hydrolysis, the liquid releases Oduor-piercing gases into damp air. Alcohols are transformed into alkyl bromides using it in a lab setting.

Red phosphorus is subjected to bromine treatment to produce PBr3. In order to inhibit the development of PBr5, too much phosphorus is used:

PBr3 = 2 P + 3 Br2.

Due to the reaction's strong exothermic nature, a diluent like PBr3 is frequently present.

35.0g Br2÷1 ×1mole Br2÷159.808 × 2moles of PBr3÷3moles of Br2× 270.686 gPBr3÷1mole of PBr3

= 39.5 gg PBr3

% yield= 27.9ggPBr3÷39.5ggPBr3×100

            = 70.63%

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Answer:

The total number of moles of CuS that can be formed from the given reactants is the sum of the number of moles of CuS that can be formed from each reactant, which is 9.0 mol + 8.0 mol = 17.0 mol. To find the mass of CuS that can be formed, we need to multiply the number of moles by the molar mass of CuS. The molar mass of CuS is 95.62 g/mol, so the total mass of CuS that can be formed is 17.0 mol * 95.62 g/mol = 1618.34 g. Rounded to the tens place, this is 1600 g.

Explanation:

Answer:

765.0 grams

Explanation:

The sample of gas that will be in the container is CL2(chlorine)(molar mass= 70.90g/mol).

The phrase "ideal gas" refers to a fictitious gas made up of molecules that abide by a few guidelines: Perfect gas particles do not contact or repel one another. The sole interaction between molecules of an ideal gas would be an elasticity collision when they collided or an elasticity collision with the container walls.

Briefing:

By ideal gas law, PV=nRT,

where p= pressure of the gas

V= volume occupied by the gas,

R= gas constant

T= temperature of the gas

n= no.of moles of gas

given, the mass of gas=3.33 g

           the volume of gas= 1.365ltr

          temp of gas= 95 c = 95+273.15 =368.15 k

pressure= 790 torr= 790/760= 1.03 atm

           R= 0.0820 l atm k^-1 mol ^-1

n=PV/RT

by solving, n=0.04699

MOLAR MASS= GIVEN MASS/n

so, the molar mass will come out to 70.90 g/ mol

so gas will CI2.

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Explanation:

here is the answer

an object with motion will stay with the same amount of speed and in the direction unless it is intervened by an unbalanced force

what it is trying to say is that passages will probably stopped bc of the seatbelt or something gets in the way

hopefully this helps