Balance the following equation. Fill in the blanks

( ? )NaCl + ( ? ) AgNO3 → ( ? )AgCl + ( ? ) NaNO3

The kinetic-molecular theory's true assertions are as follows:

If both containers' temperatures are the same, container A will have a higher pressure than container B.

Container A has a lower temperature than container B if the pressure in both containers is equal.

The molecules that make up a gas are always moving randomly, colliding with one another and the container walls, according to the kinetic molecular hypothesis. Remember that high temperature and low pressure are the only conditions in which perfect gases can exist.

The kinetic-molecular theory's true assertions are as follows:

If both containers' temperatures are the same, container A will have a higher pressure than container B.

If both are under pressure

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Answer:

The chemical formula of barium phosphate is Ba3(PO4)2.

Explanation:

brainlest ples :(

Cylinder will expand to 6.08 Lit by assuming that all the energy released is converted to work used to push the piston.

Concept of work :If we  apply force on an object and if the object moves and changes it's position, then product of the force and the displacement of an object in the direction of applied force is called work.

Given,

Pressure= P= 738.52 mm Hg = 0.97 atm. (∵ 760 mm Hg = 1 atm)

Initial volume =V1= 1.7 L

Work done = W = 439.6 J

As we need our answer in litters ..

let's convert the work done into suitable units

∴work done = W = 4.26 L-atm (∵ 1 J = 101.3 L-atm)

As given all the energy is assumed to converted into work so we need not to worry About heat loss or entropy.

work done = pressure * difference in volume

W = PΔV

ΔV = 4.26÷ 0.97

∴ΔV = 4.38 LIt

There for, the volume expanded = 4.38 Lit

So, total volume = 4.38+ 1.7 = 6.08 Lit.

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Answer:

b nuclear membrane

Explanation:

nuclear membrane protects the contents of the nucleus.

Answer:

answer is a

Explanation:

i took quiiiiiiz

Answer: it's nonmetal

Explanation: Sulfur has characteristics of nonmetals. It does not have luster, it cannot conduct electricity, and it is brittle. On the periodic table, sulfur is in group 16/VIA, in the third period. The group is called the oxygen group or the chalcogens.

Answer:

i dont know

Explanation:

To test the claim that Super-Gro "makes plants grow faster than ever," we can design an experiment that compares the growth of plants fertilized with Super-Gro to the growth of plants that are not fertilized.

We need a control setup because it allows us to compare the growth of the plants treated with Super-Gro to the growth of plants that are not treated with any fertilizer, in order to see if there is a significant difference in growth.

We need a large sample size because it increases the statistical power of the experiment and makes the results more reliable. A sample size of at least 30 plants per group is recommended.

We need to keep these factors constant because any variation in factors such as temperature, light, and water can affect plant growth. We need to control these variables in order to ensure that any differences in growth between the control and experimental groups are due to the fertilizer and not other factors.

We need to quantify our data in order to be able to compare the growth of the plants treated with Super-Gro to the growth of the control plants. We can quantify the data by measuring the height and width of the plants at regular intervals, such as every day or every week, and then calculating the average growth rate for each group.

The limitations of the experiment are that it may not take into account the different growing conditions of different types of plants, and it may not take into account any long-term effects of the fertilizer on plant growth.

A fertilizer is a substance that is added to soil or plants to provide essential nutrients for growth. Fertilizers can be organic or inorganic, and they can contain a variety of different nutrients, including nitrogen, phosphorus, and potassium.

These three elements are known as macronutrients and are required in large amounts by plants. Some fertilizers also contain micronutrients, such as iron, zinc, and copper, which are needed in smaller amounts.

Therefore, Super-Gro is a brand of fertilizer that claims to make plants grow faster than ever. It is likely that the fertilizer contains a combination of macronutrients and possibly micronutrients to aid in plant growth.

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Answer:

ajajbshdbrbxjdnd djxbxbx

Explanation:

hdjdndjsosnbdjdkx dkdmdbdjd

Answer:

Infinite.

Explanation:

Hello,

In this case, since defined or exact numbers have infinite significant figures, for instance, two cellphones (2.000000000...), three trees (3.000000000...) and so on, for 8 lions we have 8.0000000... which could continue with more zeros until infinity, therefore, 8 lions have infinite significant figures.

Regards.

Explanation:

45.8 grams of Fe2O3*(1 mole/159.69 g)= moles of Fe2O3

moles of Fe2O3 *(3 moles of O2/2 moles of Fe2O3)=moles of O2

moles of O2*(32.0g of O2/1mole)= mass of O2

Hydrogen and Bromine do not react when placed in a dark bottle, while it reacts explosively in a colourless transparent glass this is because colourless glass permits the visible light to reach the reaction mixture. Therefore, the correct option is option 4.

Chemical reaction, the transformation of one or more chemicals (the reactants) into one or more distinct compounds (the products). Chemical elements or chemical compounds make up substances.

Chemical reactions constitute a fundamental component of life itself, as well as technology and culture. burning fuels, manufacturing glass and pottery, smelting iron, and brewing beer. Hydrogen and Bromine do not react when placed in a dark bottle, while it reacts explosively in a colourless transparent glass this is because colourless glass permits the visible light to reach the reaction mixture.

Therefore, the correct option is option 4.

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Answer:

The atomic size decreases with an increase in atomic number when we move from left to right.

Explanation: Hope it helps you:))))))

                      Have a great day.

Answer:

They're both examples of matter changing states.

Explanation:

Clouds = vapor, then forming rain = liquid

water = liquid freezing into ice = solid

Answer:

boiling

Explanation:

Answer:

The answer is 79.904.

Explanation:

We assume you are converting between grams Br and mole.

You can view more details on each measurement unit:

molecular weight of Br or mol

The SI base unit for amount of substance is the mole.

1 grams Br is equal to 0.012515018021626 mole.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between grams Br and mole.

Type in your own numbers in the form to convert the units!

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Answer:

THE STANDARD HEAT OF FORMATION FOR C3H8 IS 9.59 KJ/MOL.

Explanation:

Mass = 5 g of C3H4

Mass of water = 15 kg

Initial temperature of water = 25 C = 25 + 273 K = 298 K

Final temperature of water = 3.688 C = 3.688 + 273 K = 276.688 K

We may make the assumptions that:

1. the specific heat of water = 4.2 J/Kg K

2. total mass of the reaction mixture = 15 kg of water + 5 g of C3H8

= 15.005 Kg

Temperature change = 298 - 276.688 = 21.312 K

heat change for the reaction

Heat = mass * specific heat * change in temperture

Heat = 15.005 * 4.2 * 21.312

Heat = 1343.10 J

EQUATION

C3H8 + 5O2 -> 3CO2 + 4H2O + heat

Number of mole = mass / molar mass

Molar mass of HCl = 36.5 g/mol

Number of mole = 5 g/ 36.5 g/mol

Number of mole = 0.14 moles

5 g of C3H8 produces 1343.10 J of heat

0.14 mole of C3H8 produces 1343.10 J

1 mole of C3H8 will produce 1343.10 / 0.14 J of heat

= 9593.57 J

= 9.59 kJ of heat.

The standard heat of formation for C3H8 is 9.59 kJ/mol.

Answer:

Well its B im sorry if im wrong.

Explanation:

The assumption that accounts for the great compressibility of gases compared to liquids and solids is assumption 1: Gases are made up of molecules which are relatively far apart. Option A)

The assumption that accounts for the great compressibility of gases compared to liquids and solids is assumption 1: Gases are made up of molecules which are relatively far apart.

In gases, the molecules are widely spaced and have significant gaps between them. This allows gases to be easily compressed under pressure. When external pressure is applied to a gas, the molecules can be brought closer together, reducing the volume occupied by the gas. The gaps between the molecules provide room for compression, allowing gases to occupy a smaller volume.

In contrast, liquids and solids have molecules or particles that are closely packed together. The intermolecular forces in liquids and solids are stronger, limiting their compressibility. The molecules or particles are already in close proximity, leaving little room for further compression.

Therefore, the assumption that gases consist of molecules that are relatively far apart accounts for their greater compressibility compared to liquids and solids. Hence Option A) is correct.

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Answer:

f = 0.534×10⁻² Hz

Explanation:

Given data:

Frequency of wave= ?

Wavelength of wave = 5.62×10¹⁰ m

Solution:

Formula:

Speed of wave = wavelength × frequency

Speed of wave = 3×10¹⁷ nm/s

λ  = 5.62×10¹⁰m×10⁹  nm/1 m = 5.62×10¹⁹ nm

Now we will put the values in formula.

3×10¹⁷ nm/s = 5.62×10¹⁹ nm ×  f

f = 3×10¹⁷ nm/s  / 5.62×10¹⁹ nm

f = 0.534×10⁻² s⁻¹   or

f = 0.534×10⁻² Hz

the second statement is the correct one quarks are needed to balance charges in all subatomic particles such as neutrons, protons and electrons

mass Zn : 4.77 g

mass HCl : 5.32 g

The reaction equation is the chemical formula of reagents and product substances

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Reaction

\(\tt Zn+2HCl\rightarrow ZnCl_2+H_2\)

MW ZnCl₂=136,286 g/mol

\(\tt mol=\dfrac{10}{136.286}=0.073\)

mol Zn : mol ZnCl₂ = 0.073

mass Zn :

\(\tt 0.073\times 65,38=4.77~g\)

mol ZnCl₂ : mol HCl = 1 : 2

mol HCl :

\(\tt 0.073\times 2=0.146\)

mas HCl :

\(\tt 0.146\times 36,46=5.32~g\)

Tetrahedral is the shape of the molecule. Three bonding domains and two nonbonding domains exist for a centre atom that possesses geometry. Two nonbonding domains are present in the plane.

A number is said to be tetrahedral if it can be represented by the pyramidal shape known as the tetrahedron, which has three sides and a triangle base. The nth tetrahedral number is equivalent to the first n triangular numbers added together. A molecule is defined as a collection of two or more atoms held together by the attractive forces known as chemical bonds; depending on the context, the term may or may not include ions that fit this criteria. Atoms, the smallest unit of matter, exhibit the properties of a chemical element, such as hydrogen.

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The complete question is-

A central atom with 3 bonding domains and 2 nonbonding domains has geometry. both nonbonding domains are in the plane since this allows the maximum average distance between nonbonding domains. The shape of the molecule is ?

Answer:

The equilibrium concentration of O2(g) in the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g) can be determined by solving the equilibrium expression. The equilibrium constant is given as 800.4, and the concentration of SO2(g) and SO3(g) are 2.00 M and 10.0 M, respectively. Using the equilibrium expression, K = [SO3]2/[SO2]2[O2], the equilibrium concentration of O2(g) would be 0.016 M.

The equilibrium concentration of \(SO_{3}\) is 0.181 M.

Chemical equilibrium is the condition where both the reactants and products are present in concentrations that have no further tendency to change over time, preventing any discernible change in the system's properties.

The equilibrium constant expression for the given reaction is:

\(Kc = [SO_{3} ]^2 / ([SO_{2} ]^2 [O_{2} ])\)

We are given the equilibrium concentrations of [\(SO_{2}\)] and [\(O_{2}\)], so we can substitute these values into the expression and solve for the equilibrium concentration of \(SO_{3}\):

\(Kc = [SO_{3} ]^2 / ([SO_{2} ]^2 [O_{2} ])\)

1.7×10^8 = \([SO_{3} ]^2 / (0.0034^2 \times 0.0018)\)

\([SO_{3} ]^2\) = \(1.7\times 10^8 \times 0.0034^2 \times 0.0018\)

[\(SO_{3}\)] = √(\(1.7 \times 10^8 \times 0.0034^2 \times 0.0018\))

[\(SO_{3}\)] = 0.181 M

Therefore, The equilibrium concentration of \(SO_{3}\) is 0.181 M.

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The partial pressure of hydrogen in the collected gas sample is 733.0 mm Hg (calculated by subtracting the partial pressure of water, 17.0 mm Hg, from the total atmospheric pressure, 750.0 mm Hg).

When a gas is collected over water, the presence of water vapor affects the total pressure observed. In this case, the total atmospheric pressure is given as 750.0 mm Hg, and the partial pressure of water vapor at 19.5°C is 17.0 mm Hg.

To determine the partial pressure of hydrogen, we need to subtract the partial pressure of water vapor from the total atmospheric pressure. Partial pressure refers to the pressure exerted by an individual gas component in a mixture. In this scenario, the collected gas is primarily hydrogen, with water vapor being the other component.

By subtracting the partial pressure of water vapor (17.0 mm Hg) from the total atmospheric pressure (750.0 mm Hg), we can find the partial pressure of hydrogen:

Partial pressure of hydrogen = Total atmospheric pressure - Partial pressure of water vapor

Partial pressure of hydrogen = 750.0 mm Hg - 17.0 mm Hg

Partial pressure of hydrogen = 733.0 mm Hg

Therefore, the partial pressure of hydrogen in the collected gas sample is 733.0 mm Hg.

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No, a molecule with a \(C_2\)axis perpendicular to the \(C_n\)axis does not necessarily have a mirror plane perpendicular to the \(C_n\)axis.

The presence of a \(C_2\)axis perpendicular to the \(C_n\)axis implies that the molecule possesses rotational symmetry around the \(C_n\)axis. However, the presence of a mirror plane is determined by the presence of an additional symmetry element in the molecule.

A mirror plane is a symmetry element that divides the molecule into two halves, with one half being the mirror image of the other. In order for a mirror plane to be present perpendicular to the \(C_n\)axis, there needs to be an additional symmetry element that produces the reflection symmetry.

While a molecule with a \(C_2\) axis perpendicular to the \(C_n\)axis has rotational symmetry, it does not necessarily possess reflection symmetry. For example, consider a molecule with a \(C_2\)axis perpendicular to a \(C_3\)axis.

The rotational symmetry is evident, as the molecule can be rotated by 120 degrees around the \(C_3\) axis and still appear the same. However, this molecule does not possess a mirror plane perpendicular to the \(C_3\)axis.

The presence of a mirror plane perpendicular to the \(C_n\)axis depends on the specific molecular geometry and arrangement of atoms. It is possible for a molecule to possess both rotational symmetry and a mirror plane perpendicular to the \(C_n\)axis, but it is not a general rule.

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The total number of atoms in 0.160g of P2O5 is 3 x 10^21 atoms.

Atoms are defined as a smallest unit into which a matter can be divided without the release of electrically charged particles.

First calculate the number of mole of P2O5

Mass of P2O5 = 0.160 g

Molar mass of P2O5 = 142g/mole

Number of mole of P2O5 = mass/ molar mass

n = 0.160/142 g/mole

n = 0.0011 mole of P2O5

One mole of P2O5 has five mole of oxygen.

Using conversion factor

= 0.0011 mole of P2O5 x [ 5 mole of oxygen/ 1 mole of P2O5]

= 0.0055 mole of oxygen

Total number of atoms = 0.0055 x 6.02 x 10^23 atom/mole

                                      = 3 x 10^21 atoms

Thus, the total number of atoms in 0.160g of P2O5 is 3 x 10^21 atoms.

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