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Q: What is the importance of stoichiometry and the ideal gas law?
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Molar Mass Of Magnesium from gas law stoichiometry where would this apply?

Both the molar mass of magnesium (24.3g/mol) and the gas laws come into play in stoichiometry.


How does the ideal gas law relate to real gases?

Ideal gas law states that there are no inter molecular attractions between gas molecules and that ideal gas does not occupy space therefore having no volume. However, a real gas does have intermolecular attractions and does have a volume.


How can the stoichiometry be determined for a reaction that forms a gas instead of a precipitate?

If a reaction produces a gas instead of a precipitate, the volume of the evolved gas can be measured. With the volume, temperature, and pressure of the gas known, the number of evolved moles of gas can be calculated. If the pressure is fairly low, the ideal gas law should give an adequate method to calculate the number of moles: n = PV/RT If the number of moles of the reactants and any other products are know, the stoichiometry should be fairly straightforward to calculate - unless there are multiple reactions occurring.


How is the combined gas law modified to form the ideal law?

The ideal gas law is:PV = nRT,where:- P is pressure- V is volume- n is moles of substance- R is the gas constant- T is the temperature


Would a gas whose molecules were true geometric points obey the ideal gas law?

If gas molecules were true geometric points (ie had zero volume) AND had zero intermolecular interaction (such as attraction or repulsion), then the gas would obey the ideal gas law. Gases composed of small, non-interactive molecules (such as helium gas) obey the ideal gas law pretty well (as long as the gas is low density and temperature is rather high). For non-ideal gases, at least two correction factors are often used to modify the ideal gas law (correcting for non-zero volume of gas molecule and intermolecular attraction) such as in the Van der Waals equation for a real gas.

Related questions

Molar Mass Of Magnesium from gas law stoichiometry where would this apply?

Both the molar mass of magnesium (24.3g/mol) and the gas laws come into play in stoichiometry.


How did the ideal gas law contribute to the gas law?

All gas laws are absolutely accurate only for an ideal gas.


What is the R in the ideal gas law?

the ideal gas constant D:


Identify the gas law that is used to describe gas behavior under a specific set of circumstances.?

Charles' Law and other observations of gases are incorporated into the Ideal Gas Law. The Ideal Gas Law states that in an ideal gas the relationship between pressure, volume, temperature, and mass as PV = nRT, where P is pressure, V is volume, n is the number of moles (a measure of mass), R is the gas constant, and T is temperature. While this law specifically applies to ideal gases, most gases approximate the Ideal Gas Law under most conditions. Of particular note is the inclusion of density (mass and volume) and temperature, indicating a relationship between these three properties.The relationship between the pressure, volume, temperature, and amount of a gas ~APEX


What does the ideal gas law not specify?

What does the ideal gas law not specify the density and mass of the gas. It instead deals with volume, temperature and pressure.


How many moles of oxygen are required for the combustion of 25.5 g of magnesium?

To solve this problem you must first write a balanced reaction. Then use stoichiometry and the Ideal Gas Law to solve for the answer.First, write the balanced reaction. The reactants are Mg and O2, and the product is MgO. For step by step instructions on how to write a balanced reaction, see the Related Questions to the left. Then find the number of mole of oxygen in the container using the Ideal Gas Law. For step-by-step instructions on solving Ideal Gas Law problems, see the Related Questions to the left.Finally, use stoichiometry to determine how much Mg will react with that amount of O2. And yes, you guessed it, see the Related Questions to the left for how to do that.


What is the law associated with PvnRT?

This is the general ideal gas law.


The ideal gas law measure p ressure in?

Pressure is given as pascals in the ideal gas equation.


How does the ideal gas law relate to real gases?

Ideal gas law states that there are no inter molecular attractions between gas molecules and that ideal gas does not occupy space therefore having no volume. However, a real gas does have intermolecular attractions and does have a volume.


How can the stoichiometry be determined for a reaction that forms a gas instead of a precipitate?

If a reaction produces a gas instead of a precipitate, the volume of the evolved gas can be measured. With the volume, temperature, and pressure of the gas known, the number of evolved moles of gas can be calculated. If the pressure is fairly low, the ideal gas law should give an adequate method to calculate the number of moles: n = PV/RT If the number of moles of the reactants and any other products are know, the stoichiometry should be fairly straightforward to calculate - unless there are multiple reactions occurring.


If Saturn is a gas giant and by the ideal gas law gasses are massless how does it have a gravitational attraction force I know that in quantum chemistry the ideal gas law breaks down and no longer app?

The ideal gas law does not hold that gasses are massless. Gas does indeed have mass. Saturn has a mass of about 5.68*1026 kilograms.


How is the combined gas law modified to form the ideal law?

The ideal gas law is:PV = nRT,where:- P is pressure- V is volume- n is moles of substance- R is the gas constant- T is the temperature