In the compound nickel(II) sulfide, there is always 58.7 g of nickel for every 32.1 g of sulfur. What is the simplified ratio of
nickel to sulfur?

The molecular formula of diazomethane is CH₂N₂, and the main reason for its instability is precisely the fact that it can very easily evolve nitrogen, as nitrogen's triple bond is one of the strongest covalent bonds in nature, and the energy released in its formation is more than enough to compensate the energy lost in the breaking of C-N bonds. The Lewis structure of diazomethane with the formal charges is attached below.

To obtain the molecular formula of diazomethane, we can imagine that we have 100 g of it. Now we can calculate the number of moles (n) for each of the elements, using their respective masses (m) and molar masses (M = 12 g/mol for carbon, 1 g/mol for hydrogen, and 14 g/mol for nitrogen):

n = m/M

n(C) = 28.57 g / 12 g/mol

n(C) = 2.38 mol

n(H) = 4.80 g / 1 g/mol

n(H) = 4.80 mol

n(N) = 66.64 g / 14 g/mol

n(N) = 4.76 mol

We now divide each of these numbers with the smallest of them (2.38) to calculate the molar ratio of the elements:

carbon: 2.38 / 2.38 = 1

hydrogen: 4.80 / 2.38 = 2

nitrogen: 4.76 / 2.38 = 2

Now we use these numbers to get the empirical formula of diazomethane: CH₂N₂.

The molar mass of the empirical formula is:

12 g/mol + 2 * 1 g/mol + 2 * 14 g/mol = 42 g/mol

Since this value is equal to the molar mass given to us, that means that CH₂N₂ is also the molecular formula of diazomethane.

Answer:

mars

Explanation:

just googled it

In addition to Earth, mars  planet has evidence of water on the surface.

Evidence proves that financing results  works Our strong evidence based on the  proves that more lives and real can be changed through access to affordable inventing  for water and sanitation.

Evidence of finding water on Mars first to be known  in 2000, with the appearance of gullies that suggested us about  a liquid origin. Their formation has been hotly in  debated over the ensuing years.

Therefore, addition to Earth, mars  planet has evidence of water on the surface.

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The intermolecular forces present between two molecules of HI (hydrogen iodide) are dispersion forces (also known as London dispersion forces). Therefore, the correct answer is A) dispersion only.

Dispersion forces are the weakest type of intermolecular forces and occur between all molecules, regardless of their polarity. These forces result from temporary fluctuations in electron distribution, leading to the formation of temporary dipoles. In the case of HI, both hydrogen and iodine atoms have electrons that are constantly in motion, causing temporary imbalances in electron distribution and resulting in the formation of temporary dipoles.

The hydrogen iodide (HI) molecule consists of a hydrogen atom bonded to an iodine atom. Hydrogen has a relatively positive charge due to its low electronegativity, while iodine has a relatively negative charge due to its high electronegativity. This polarity within the molecule gives rise to a dipole-dipole interaction between HI molecules. However, in this case, the dipole-dipole interaction is not strong enough to be considered a significant intermolecular force.

Instead, the dominant intermolecular force between HI molecules is dispersion forces. Dispersion forces occur due to temporary fluctuations in electron distribution. In the case of HI, the movement of electrons creates temporary dipoles, resulting in attractive forces between neighboring molecules. Since dispersion forces are present between all molecules, regardless of their polarity, they are the primary intermolecular force in HI. Other intermolecular forces such as hydrogen bonding or dipole-dipole interactions are not significant in HI molecules.

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(alt + F4) might be the answer you are looking

Explanation:

I'm not exactly sure how I came up with this answer but it is for sure the answer

Answer:

Your Answer would be Option B

Answer:

B

Explanation:

The Answer is B-Transfer of heat through direct physical contact

Answer:

Ruthenium and Rhodium

Explanation:

Based on its location on the periodic table,  properties will Krypton (Kr) have is it is unreactive , gas, stable.

Krypton in the periodic table belongs to  group 18. the group 18 in periodic table is noble gases. the noble gas is the very extremely stable. the noble gases have 8 electrons in the outer most valence shell. they follow the octet rule and this makes noble gases unreactive and stable. they do not bond with other because they are already stable.

Thus, Based on its location on the periodic table,  properties will Krypton (Kr) have is it is unreactive , gas, stable.

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Water is the limiting reactant as only 2.27 moles of H₂O are available and can react with Fe. The reaction will produce 2.27 moles of Fe:Os and 2.27 moles of H₂.

The reaction given is Fe + H₂O → Fe:Os + H₂. It is required to determine which reactant is the limiting reactant when 41 grams of water react with 167 grams of iron (Fe).The limiting reactant is the reactant that is completely consumed during the reaction and limits the amount of product formed. Therefore, we need to determine which of the two reactants, iron (Fe) or water (H₂O), will be completely consumed during the reaction. To determine this, we must convert the given masses of each reactant to moles using their respective molar masses. The molar masses are 55.85 g/mol for iron and 18.015 g/mol for water.Converting the given masses of iron and water to moles:167 g Fe × (1 mol Fe/55.85 g Fe) = 2.99 mol Fe41 g H₂O × (1 mol H₂O/18.015 g H₂O) = 2.27 mol H₂OAccording to the balanced equation, one mole of iron reacts with one mole of water. Therefore, we can say that 2.27 moles of H₂O will react with 2.27 moles of Fe. However, since we have more moles of Fe available than what is required, iron is not the limiting reactant and the remaining 0.72 mol of Fe will be left over after the reaction is complete.

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Answer:

B. He

Explanation:

From the balanced equation below the mole ratio of PCl3 to PCl5 is 1:1

\(PCl_{5} + PCl_{5}\) -------------------> \(PCl_{5}\)

Number of moles of \(PCl_{3}\) can be expressed as  1 mole

Number of moles of  \(Cl_{2}\) can be expressed as 1 mole

Number of moles of  \(PCl_{5}\) can be expressed as 1 mole

Mole ratio of \(PCl_{5}\) can be expressed as 1:1

The ratio of the mole quantities of any two compounds present in a balanced chemical reaction is known as the mole ratio. A comparison of the ratios of the molecules required to accomplish the reaction is given by the balancing chemical equation.

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Answer:

a

Explanation: cause

Among the options provided, the statement that accurately describes a type of potential energy found in a container full of a chemical substance in liquid form is: "The bonds between atoms are one place where potential energy is stored."

In a container filled with a chemical substance in liquid form, the potential energy is primarily stored in the bonds between atoms within the molecules of the substance. These bonds are formed by the sharing or transferring of electrons between atoms, creating a stable arrangement. The potential energy arises from the electrostatic interactions between the charged particles involved in these chemical bonds.When the liquid substance is in its equilibrium state, the potential energy stored in the bonds represents the energy required to break these bonds and separate the atoms, transforming the substance into a different state (such as a gas or a solid).

This potential energy is released when the substance undergoes a chemical reaction or when external forces act upon it.While other forms of potential energy can also exist in a liquid substance, such as kinetic energy due to the speed of the particles or vibrational energy of the atoms within the molecules, these are generally associated with other types of energy rather than potential energy.

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Answer:

Explanation:

The work done by an object can be found by using the formula

workdone = force × distance

From the question we have

workdone = 500 × 4

We have the final answer as

Hope this helps you

Answer:

33.5 grams of oxygen will be produced

Explanation:

Answer:

I dont know if this is correct.. but maybe in the tool row, put graduated cylinder because you use graduated cylinders to measure water and for units put milliliters or liters?? Sorry if this isnt correct i wouldnt know what else to put !

Explanation:

The new pressure is 0.929atm.

Solution:

2*2.4L/298K = P₂ * 5.6L/323K

P₂ = 0.929atm.

So, Now the pressure will be 0.929atm.

Force normal to the surface of an object per unit area over which that force is distributed. At a point in the gas, pressure acts in all directions. At the surface of a gas, compressive forces act perpendicular to the surface. If the gas is moving as a whole, the measured pressure will be different in the direction of movement.

A simple example of pressure can be seen by holding a knife against a piece of fruit. Placing the flat part of the knife on the fruit will not cut the surface. The force is distributed over a wide area. Pressure is defined as the physical force exerted on an object. The force applied is normal to the surface of the object per unit area.

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Answer: This means to find the number of neutrons you subtract the number of protons from the mass number.

Answer:

A. Group 4

Explanation:

Also called carbon family or the tetrels

Answer:

4a

Explanation:

The question is incomplete, the complete question is;

Arrange the following ionic compounds in order of decreasing amount of energy released in lattice formation: NaF, MgS, TlN, and CsI.

Answer:

TlN> MgS > NaF > CsI

Explanation:

Recall that lattice energy is the energy evolved when a crystal lattice is formed from its component ions.

The lattice energy depends on the size of the ions. The smaller the sizes of the ions, the larger the lattice energy.

The order of energy released in lattice formation for these compounds is;

TlN> MgS > NaF > CsI

The pressure of CO2 gas in the can cannot be determined with the given information. Additional information, such as the volume of the can, is needed to calculate the pressure.

To calculate the pressure of CO2 gas in the can, you can use the ideal gas law equation: PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.

First, convert the temperature from Celsius to Kelvin by adding 273.15: T = 25 + 273.15 = 298.15 K.

Since the can is unopened, the volume remains constant, so we can focus on the number of moles of CO2 gas.

To find the number of moles, we can use the equation: n = C × V, where C is the concentration and V is the volume.

Given that the concentration is 0.0506 M and the volume is the volume of the can, you can substitute these values into the equation to find the number of moles.

Once you have the number of moles of CO2 gas, you can rearrange the ideal gas law equation to solve for the pressure, P.

Remember to use the appropriate units for the gas constant R depending on the units used for the other variables (volume in liters, pressure in atmospheres, and temperature in Kelvin).

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80g•1moles/68.94g= 1.16g

The property that is used to calculate the pH of a solution is (A) the hydrogen ion concentration in mol/L.

pH is a measure of the acidity or basicity of a solution. The pH scale ranges from 0 to 14, with 7 being neutral, values below 7 being acidic, and values above 7 being basic.

To calculate the pH of a solution, you need to know the concentration of hydrogen ions (H+) in mol/L (A).

pH is defined as the negative logarithm (base 10) of the hydrogen ion concentration, so the equation for calculating pH is:

pH = -log[H+]

For example, if the hydrogen ion concentration is 1 x 10^-4 mol/L,

the pH would be:

pH = -log(1 x 10^-4)

pH = 4

Note that pH is typically reported, so in this case, the pH would be reported as 4.0.
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Answer:

The are we made of matter?

Answer:

AHHHHHHHHH YOUR GAY I ALSO DONT KNOW THE ANSWER IM IN MIDDLE SCHOOL

Answer:

Explanation:

The kinetic energy of molecules is related to their temperature, and at a given temperature, all molecules, polar or non-polar, have the same average kinetic energy. The difference between polar and non-polar molecules lies in their intermolecular forces. Polar molecules have dipoles (separation of charge) due to differences in electronegativity of the atoms within the molecule. These dipoles cause the polar molecules to have stronger intermolecular forces, such as dipole-dipole forces and hydrogen bonding, compared to non-polar molecules which only have weak van der Waals forces.

At 100 K, the kinetic energy of both polar and non-polar molecules is low. However, polar molecules are more likely to be attracted to each other due to their stronger intermolecular forces. This means that polar molecules may have lower kinetic energy compared to non-polar molecules at the same temperature, because they may be more likely to be held together by these forces.

In terms of which group of molecules has greater intermolecular forces, it would be the polar molecules due to the presence of dipoles and the resulting stronger intermolecular forces. However, it's important to note that intermolecular forces can vary greatly within each group of molecules, depending on the specific molecule and its structure.

Answer: pretty sure that would be chemical

Explanation:

Answer:it is a chemical property

Explanation:

Flammability is a chemical property that result on the creation of new substance

Answer:

....

Explanation:

The molarity of NaOH solution is 0.114 M.

Given, Mass of flask and vinegar solution= 25.17 g.Mass of flask= 15.12 gVolume of vinegar solution (in mL)= 10.00 mlInitial volume of NaOH (in mL)= 0.00 mlFinal volume of NaOH (in mL)= 39.00 mlThe Mass of vinegar solution is 10.0503 g.The volume of NaOH used in titration is 39.00 ml.Let's calculate the molarity of the NaOH solution.First, calculate the moles of NaOH used in the reaction. Moles of NaOH = Molarity × Volume of NaOH (in L) Converting volume in mL to L,Volume of NaOH used = 39.00 mL = 39.00/1000 L = 0.0390 LThe molarity of NaOH solution is given by;Molarity of NaOH = Moles of NaOH / Volume of vinegar solution (in L)Converting volume in mL to L,Volume of vinegar solution = 10.00 mL = 10.00/1000 L = 0.0100 LNow, substituting the values; Molarity of NaOH = 0.114 M.

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