what determines the average kinetic energy of the molecules of any gas? group of answer choices molar mass temperature pressure container volume

Answer:

meeting our basic needs of food, clothing, shelter, health, energy, and clean air, water, and soil.

Explanation:

hope this helps

The balanced redox reaction  in acidic solution is:

Cu(s) + 4H+(aq) + 2NO3-(aq) → Cu2+(aq) + 2NO2(g) + 2H2O(l)

The reaction given is a redox reaction and it needs to be balanced. The reactants and products should have the same number of atoms of each element on both sides of the equation. In the given equation, the number of Copper atoms and Nitrate ions are not balanced on both sides of the equation. In acidic solution, the hydrogen ions (H+) are also present and they also need to be added to the equation. In this case, 4 hydrogen ions and 2 water molecules have been added to the balanced equation to balance the equation.

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Ba(NO3)2 will form a precipitate when mixed with an aqueous solution of sodium sulfate (Na2SO4)

Barium Nitrate Crystals, When each of these is combined with sodium sulfate, one of the results is sodium nitrate, and the other is the positive/metal ion with sulfate. To make a precipitate (solid/insoluble), we need to look for the positive ion that goes with sulfate. The Solubility Rules may be found on page 6 of the Reference Tables.

Calcium sulfate, strontium sulfate, barium sulfate, mercury sulfate, lead (II) sulfate, and silver sulfate are the only insoluble sulfates. Because its positive ion is barium, the answer must be , Barium nitrate is the inorganic compound with the chemical formula Ba(NO3)2. It, like most barium salts, is colorless, toxic, and water-soluble.

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Answer:

there are about 26.67 milligrams in 10 mL.

Explanation:

To find the number of milligrams in 10 mL, you can use the proportion:

(8 mg) / (3 mL) = (x mg) / (10 mL)

Where x is the number of milligrams in 10 mL. To solve for x, you can cross-multiply and divide:

(8 mg) * (10 mL) = (3 mL) * (x mg)

x = (8 mg) * (10 mL) / (3 mL)

x = 26.666.. mg

Yes, higher the polarity and electronegativity of the nonhydrogen atom explain the trend in acid strength shown in model 3. It shows more attraction towards the H⁺ ions and lesser is the acidity.

An atom's propensity to draw electrons (or electron density) in its direction is measured by its electronegativity. It controls how the shared electrons between the two atoms in a bond are distributed. The greater an atom's electronegativity, the more strongly the electrons in its bonds are drawn to it.

The capacity of an atom in a covalent bond to draw shared electrons is known as electronegativity. The degree to which an element draws in the shared electrons is influenced by the level of its electronegativity.

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Glycogen → G6P → enetr glycolysis. In Liver: glycogen → G6P → G → released into blood. G1P from glycogen by phosphorylase, G6P from G1P, catalyzed by phosphoglucomutase, and then glycosidase.

Our cells primarily use glucose as fuel. The liver and muscles store the glucose when the body doesn't need to use it for energy. Glycogen is the name given to this form of glucose that is stored and is composed of several linked glucose molecules.

Your body primarily uses the glycogen reserve in your liver to support blood glucose (sugar) level regulation. With the help of the hormones glucagon and insulin, your body typically carefully controls your blood glucose levels. Your pancreas releases more glucagon when you have hypoglycemia, a condition where your blood sugar levels are too low.

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We have only 0.5 mol of C₇H₆O₃, so we don't have enough amount of salicylic acid, therefore, salicylic acid acts as limiting reactant.

In a chemical reaction, the amount of product that can be formed is limited by the limiting reactant, also known as the limiting reagent, which is the reactant that is consumed first.

It is helpful to convert the masses of reactants into moles in order to comprehend what the limiting reactant is. These are the molecular masses:

C₇H₆O₃ = 138g/mol

C₄H₆O₃ = 100g/mol

Making moles out of masses:

70g C₇H₆O₃ 1mol/138g = 0.5 mol C₇H₆O₃

80g C₄H₆O₃ 1mol/100g = 0.8 mol C₄H₆O₃

In the reaction, 2 moles of C₇H₆O₃ are necessary to react with 1 mol of

C₄H₆O₃ Following this ratio:

0.8 mol C₄H₆O₃ . 2 moles of C₇H₆O₃/ 1 mol of C₄H₆O₃ = 1.6mole C₇H₆O₃

We have only 0.5 mol of C₇H₆O₃  i.e, we don't have enough amount of salicylic acid, therefore, this is the limiting reactant.

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Everything is predicated on benzenation, and the replacement location depends on when benzene is in an electron-rich or electron-deficient position.

A opposite charges new particle known as an electron can either be free or attached to an atom (not bound). Each of the three main types of elements within an element is an electrode that is bonded to it; its other pair are protons plus neutrons.

Electrons are present outside the atom's nucleus, in contrast to protons and neutrons which are contained from the inside of the nucleus at its center. Negative electrons are drawn to the positively charged nucleus because the electric charges of opposite polarity attract one another.

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The greatest amount of a solute that may dissolve in a specific amount of solvent is known as a substance's solubility; this quantity depends on the chemical makeup of both the solute and the solvent as well as on

Temperature and pressure are the two direct variables that impact solubility. Pressure solely influences the solubility of gases, but temperature affects the solubility of both solids and gases.

The four main elements that influence a gas' solubility in a liquid are listed below. Size, chemical reactivity, pressure, and temperature between the liquid and gas. Typically, as the pressure rises, the gas becomes more soluble.

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A substance's solubility is the maximum amount of that substance that may dissolved in a given amount of solvent; this amount relies on the chemical composition of both the solvent and solute as well as on

Temperature and pressure are the two direct variables that impact solubility. Temperature has an impact here on soluble including both solids and gases, but pressure only affects the gas's solubility.

The below is a list of the four primary factors that affect a gas' soluble in a liquid. Temperature, pressure, size, and chemical reactivity here between liquid and gas Usually, the gas gets more soluble as the pressure increases.

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Yes, precipitation of Cu(OH)₂ solid will form when 0.075 g of KOH is dissolved in 1.0 L of 1.0 X 10⁻³ M Cu(NO₃)₂.

Chemical reactions begin with reactants, and the products of a reaction are the substances that were produced. The common chemical formula can be used to represent a chemical reaction: Reaction products. During chemical reactions, bonds shatter and reform. Also, the opposite outcome of the reaction happens.

[OH⁻]₀ = 0.075g/56.105g/mol(1.01) = 1.34×10⁻³

Cu(OH)₂ (s) ⇄ Cu²⁺ (aq) + 2OH⁻(aq)

?                       0.0010       1.34×10⁻³

Q = [Cu²⁺][OH⁻]² =  0.0010 ×(1.34×10⁻³)² = 1.8×10⁻⁹ > Ksp 2.2×10⁻²⁰

This means equilibrium will shift to the left, i.e., to reactants in which in turn implies that solid Cu(OH)₂ will form.

moles Cu²⁺= 1.L x 1 x 10⁻³ M= 10⁻³

moles KOH = 0.075 g/ 56.107 g/mol=0.00133

[Cu²⁺]=  10⁻³ / 1. L= 10⁻³  M

[OH⁻]=0.00133 / 1.L= 0.00133  M

Qsp=  10⁻³ (0.00133)² =1.786 x 10⁻⁹ >> Ksp ( = 2.2 x 10⁻²⁰)

precipitation should occur.

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The greenhouse gases which entirely the result of human activity is Chlorofluorocarbons.

Methane, Carbon dioxide, Nitrous oxide, and Chlorofluorocarbon all are greenhouse gases. But only Chlorofluorocarbon (CFC) is a greenhouse gas which is entirely produced by human activities.

Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals consisting atoms of carbon, chlorine, and fluorine. They are used in the production of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants.

Research found that Chlorofluorocarbon could deplete Earth's atmospheric ozone layer, that blocks the sun's damaging ultraviolet rays. When the scientists reported their research results in 1974, CFCs were widely used as refrigerant gases and as propellants in aerosol sprays.

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The total number of protons are 6 and the total number of neutrons are 7 in an atom of the naturally occurring carbon isotope with the largest mass number.

Isotopes of almost all elements save hydrogen get their names from the mass number of their nuclei. Carbon atoms, for instance, have a mass number of 12 since the sum of their six protons and six neutrons equal 12. As a result, these atoms are referred to as carbon-12. The atomic mass of carbon atoms with seven neutrons is 13, which is equal to six protons plus seven neutrons. The isotope known as carbon-13 can be found in these atoms.

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Hydrogen bonds cannot be broken by the energy released during the dissolution of solid alkyl halides with water. Because of their inability to dissolve the hydrogen atoms between water molecules, alkyl halides cannot withstand their attraction to one another. Insoluble in water, it continues to be.

In the process of photosynthesis, plants split water into nitrogen and oxygen with the help of sunlight, and then mix the generated hydrogen with atmospheric carbon dioxide to produce carbohydrates.

Many of the factors implicated in the pathophysiology and etiology of the metabolic syndrome and the diseases it is associated with have been linked to molecular hydrogen's ability to attenuate peroxidation, enhance cellular function, and decrease chronic inflammation5.

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Oceanic plate is driven downward at a boundary. Option C is the right answer.

Oceanic plates are tectonic plates that make up the Earth's ocean floor. They are denser and thinner than continental plates and underlie the world's ocean basins. The movement of oceanic plates is responsible for the creation of mid-ocean ridges and subduction zones, which are key features of plate tectonics.

Tectonic plates are large pieces of Earth's lithosphere that move and interact, causing earthquakes, volcanic eruptions, and the creation of mountains. There are seven major and several minor plates on Earth. The movement and collision of these plates create plate boundaries such as divergent, convergent, and transform.

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Erosion and weathering convert boulders and mountains into sediments, such as sand or mud.This method uses slightly acidic water to gradually wear away stone.

The term erosion is defined as when small pieces of the Earth's surface are moved from one place to another. Boulders and mountains become sediments, such as sand or mud, as a result of erosion and weathering.

Chemical weathering, or dissolution, is one type of weathering.The starting materials for new, sedimentary rocks are produced by these three processes.

Thus, Erosion and weathering convert boulders and mountains into sediments, such as sand or mud.

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The principal quantum number of the original number is 4 and original level of electron is 2.

The Balmer series refers to to a series of spectral emission lines of the hydrogen atom that occurs when an electron moves from higher energy  levels to the energy level of n= 2.

Hence;

λ =  486.3 * 10^-9 m

RH = 1.097 * 10^7 m-1

nf = 2

ni = ?

Using the formula;

1/λ = RH (1/nf^2 - 1/ni^2)

1/486.3 * 10^-9 = 1.097 * 10^7 (1/4 - 1/ni^2)

2.06 * 10^6/1.097 * 10^7 = (1/4 - 1/ni^2)

0.188 = 1/4 - 1/ni^2

1/ni^2 = 1/4 - 0.188

1/ni^2 = 0.25 - 0.188

1/ni^2 = 0.062

ni^2 = 16

ni = 4

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The reaction of aluminum and hydrogen bromide will form 212.44 grams of aluminum bromide.

The chemical equation for the reaction between aluminum and hydrogen bromide is:

[tex]2 Al + 3 HBr[/tex] →[tex]Al_2Br_6[/tex]

From this equation, we can see that the reaction is a stoichiometric reaction, which means that the ratio of the reactants and products is fixed and is determined by the coefficients in the balanced equation.

If we have 121 grams of hydrogen bromide, the number of moles of hydrogen bromide can be calculated using the molar mass of hydrogen bromide ([tex]HBr[/tex]) which is approximately 80.9 g/mol. So:

121 g [tex]HBr[/tex] /  80.9 g/mol = 1.49 mol [tex]HBr[/tex]

Since the coefficient of hydrogen bromide in the balanced equation is 3, we know that for every one mole of aluminum, we need 3 moles of HBr. So, in this case, we have excess [tex]Al[/tex], which means the limiting reactant is [tex]HBr[/tex], and we have 1.49 moles of [tex]HBr[/tex].

The number of moles of aluminum bromide ([tex]Al_2Br_6[/tex]) formed can be calculated by dividing the number of moles of [tex]HBr[/tex] by the coefficient of [tex]HBr[/tex] in the balanced equation, which is 3

1.49 moles [tex]HBr[/tex] / 3 = 0.497 moles [tex]Al_2Br_6[/tex]

We can calculate the number of grams of aluminum bromide by multiplying the number of moles by the molar mass of aluminum bromide, which is approximately 427.3 g/mol

0.497 moles [tex]Al_2Br_6[/tex]  * 427.3 g/mol = 212.44 g [tex]Al_2Br_6[/tex]

So, the reaction of aluminum and hydrogen bromide will form 212.44 grams of aluminum bromide.

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Answer:The moles of carbon dioxide produced from 100 g methane is 6 moles.

Explanation: Balanced Equation. CH4+2O2 → CO2+2H2O.

The combustion of 2.00 mol of [tex]CH_4[/tex] produces approximately 72.08 grams of [tex]H_2O.[/tex] All the options given are incorrect.

Combustion is a chemical reaction that occurs between a fuel and an oxidizing agent basically in presence of oxygen, typically producing heat and light.

To determine the mass of [tex]H_2O[/tex] produced by the combustion of 2.00 mol of [tex]CH_4[/tex], we need to use the stoichiometric ratio between [tex]CH_4[/tex]and [tex]H_2O[/tex] in the balanced chemical equation.

From the balanced equation: [tex]CH_4 + 2O_2 \rightarrow CO_2 + 2H_2O[/tex]

We can see that for every 1 mole of [tex]CH_4[/tex], 2 moles of [tex]H_2O[/tex]are produced. We can see that for every 1 mole of [tex]CH_4[/tex], 2 moles of [tex]H_2O[/tex]are produced.

Given that we have 2.00 mol of [tex]CH_4[/tex], we can calculate the moles of [tex]H_2O[/tex]produced:

2.00 mol [tex]CH_4[/tex] × (2 mol [tex]H_2O[/tex]/ 1 mol [tex]CH_4[/tex]) = 4.00 mol [tex]H_2O[/tex]

Now, we can calculate the mass of [tex]H_2O[/tex]produced using the molar mass of water ([tex]H_2O[/tex]), which is approximately 18.02 g/mol:

Mass of [tex]H_2O[/tex] = Number of moles of [tex]H_2O[/tex]× Molar mass of [tex]H_2O[/tex]

Mass of [tex]H_2O[/tex] = 4.00 mol × 18.02 g/mol = 72.08 g

Therefore, the mass of [tex]H_2O[/tex] produced by the combustion of 2.00 mol of [tex]CH_4[/tex] is approximately 72.08 grams.

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According to the given question the both options c) and d) are correct .If a molecule absorbs Infrared electromagnetic energy, it stretches and bends.

TV and radio waves, radios, infrared rays, photons, exposure to ultraviolet, X-rays, and cosmic rays are all examples of electric waves that propagate across space independently of matter.

A molecule vibrates when it takes in IR electromagnetic energy.

This causes the atoms of the molecule to collide elastically.

Vibration modes

This include the following:

Stretching ,Bending

This is the reason why both C and D have been the most popular choices.

appropriate.

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The Complete question :

when a molecule absorbs ir electromagnetic energy, what are the vibrational modes affected?

a) electron spin ionization

b) proton spin

c) stretching

d) bending

The naming ionic compounds  the structural units that make up ionic compounds are cations as positively charged specie and the anions , negatively charged species.

The the structural units that make up ionic compounds are cations as positively charged specie and the anions , negatively charged species. There are some rules given below :

1) The name of the cation is by the name of the anion.

2) If cation has fixed charge then the name is same as  element.

3) For naming the anion the name of the element is used with the suffix ide.

The some examples are :

CaO = calcium oxide

AlN = aluminum nitride

Fe²⁺ = ferrous

Fe³⁺ = ferric

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The camera incorporates all of the light which each filters transmits when we measure colour using photometric methods.

What is the purpose of photometry?

In chemistry, photometry is frequently used to study solutions and liquids. Masses of synthetic or natural components in a mixture or liquid can be measured with the aid of photometers. Applying filters to limit some wavelengths while allowing another desired wavelength to pass allows for the use of photometry in astronomy.

What is the photometric principle?

Photometry is the measuring of light absorption in the UV, VIS, and IR wavelength ranges. To calculate the concentration of analyte in a solutions or liquid, utilise this measurement.

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The conversion that take place is solar energy to heat energy.

The energy conversion that occurred in the classroom oven was from solar energy to heat energy. Radiant energy, also known as solar energy, is the heat from the sun that heats the oven. The hotdog becomes hot and ready to eat when the internal temperature of the oven rises with the help of aluminium foil because the absorbing heat energy accumulates inside the oven more quickly than it is lost. Light energy to heat energy conversion: Solar cookers aim sunlight at a target, like a cooking pan. Conduction is the process by which light energy is transformed into heat by interacting with the receiver material. Utilizing materials that conduct and hold heat improves conversion.

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The following which is not a property of an ionic compound is low boiling point  and is therefore denoted as option C.

This is referred to as a type of chemical compound where the oppositely-charged ions of a metal and a nonmetal are attracted to each other to form an ionic bond.

Ionic compounds usually have high melting and boiling point due to the strong electrostatic forces between the atoms. It is also usually very hard and brittle in nature and the molten compound conducts electricity and heat very well which is therefore why option C was chosen as the correct choice.

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The balanced equation for the reaction in an acidic solution is:

BrO₃ -(aq) + 6 N₂H₄(aq) + 6 H+ (aq) → 3 Br₂(l) + 2 N₂(g) + 6 H₂O(l)

A chemical compound that facilitates the transfer of oxygen atoms during a redox reaction is referred to as an oxidizing agent, also known as an oxidizer or oxidant. Essentially, it aids in oxidation while reducing by acquiring hydrogen and oxygen or electrons from other reactants.

The oxidizing agent in this reaction is  BrO₃ - (bromine trioxide anion), which is reduced to Br₂(bromine) and gains electrons.

The reducing agent in this reaction is N₂H₄ (hydrazine), which is oxidized to N₂(nitrogen gas) and loses electrons.

The phase of reactant and products are in aqueous (aq) and liquid(l) and gas(g) phase.

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This lists the metals magnesium,  Iron can be oxidized with an Sn2+ solution but not with an Fe2+ solution.

The correct answer is C -Nickel and cadmium

Everyone has seen the red iron oxide (rust) that develops on steel products that haven't been adequately safeguarded. The red rust that forms is typically loose and scaly, and it peels off readily, exposing a greater portion of the underlying material to the atmosphere. Metals like stainless steel, which is steel with nickel and chromium added, oxidize as well, though.

The electrons that the metals loses during the oxidation process can also be a hydrogen bond. 

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Answer:

Explanation:as V is proportional to n(mole),you can easily calculate using V1/n1=V2/

The volume required to hold 2 moles of the gas is 42 L

Explanation:

(2.0 x 10.5)/0.50

= 21/0.50

= 42 L

If a sample of the compound contains calcium ions, then iodide ions that it contains is 14.8 x 10^21.

Ionic compounds are those that have ionic bonding between elements with significant differences in their electronegativity.

The stronger the attraction between the cation and anion, the bigger the difference. Due to strength and the amount of energy required to break them, they have high melting and boiling points.

These substances crystallize into brittle, easily breakable tiny bits. Generally speaking, electrovalent substances dissolve in water but are insoluble in solvents like oil, gasoline, kerosene, etc.

Given 7.4 x 10^21 calcium ions.

Hence, the number of iodide ions is 2 * 7.4 x 10^21 = 14.8 x 10^21.

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Note: The question given on the portal is not complete. Here is the complete question.

Question: An ionic compound forms when calcium reacts with iodine. If a sample of the compound contains 7.4 x 10^21 calcium ions, how many iodide ions does it contain

The first right-hand rule relates two quantities that are current (thumb) to magnetic field (fingers).

The right hand rule states that you should point your right thumb in the direction of the velocity (v), your index finger in the direction of the magnetic field (B), and your middle finger will point in the direction of the resulting magnetic force to find the direction of the magnetic force on a positive moving charge.

The direction of the wrapped fingers will indicate the direction of magnetic field lines if a current-carrying conductor is thought to be held in your right hand with the thumb pointing in the direction of the current.

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As a result, the molecular mass of P₄O₁₀, or tetraphosphorus decaoxide, is 284 g/mol.

The molecular mass is the mass of all the atoms present in the molecule. The molecular mass of the compound is calculated using the steps:

Determine the atomic number of each element in the compound.

Each element's atomic mass is multiplied by the number of atoms in that element in the compound.

The mass of all the atoms are added up.

Here,

The given compound is:

P₄O₁₀

The atomic mass of P=31 u

The atomic mass of O=16 u

The molecular mass of P₄O₁₀,

=31*4+16*10

=124+160

=284 g/mol

Hence, the molecular mass of P₄O₁₀ that is tetra phosphorus decaoxide is 284 g/mol .

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