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Use general gas law: V = n.R.T / p
Density (in g/L) = m / V = n.M / V = n.M / [n.R.T/p] = M.p / R.T
in which:
m = mass in grams (g)
V = volume (L)
M = molar mass (g/mol)
n = number of moles (to be filled in)
R = gas constant = 8.20*10-2 (L.atm.K-1.mol-1)
T = tempeature (K) = 273 K (stand.T)
p = pressure (atm) = 1.00 atm (stand.P)
So at STP (Standard Temperatur and Pressure, 0oC , 1 atm) the outcome is :
Density = M / 0.045 (g/L) at 0oC , 1 atm.
Wiki User
∙ 11y ago
Wiki User
∙ 12y agoby finding the mass of the liquid and the difference of the liquid in the container.
Wiki User
∙ 14y agoPV = nRT. Rearranging, n = PV/RT. Multiply the pressure by the volume, divide by the absolute temperature multiplied by the gas constant (in appropriate units). Bingo, moles.
Wiki User
∙ 15y agoI don't know ask someone else.
Wiki User
∙ 8y agoThe formula is:
n = PV/RT
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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.
How do you solve a Charles' Law problem?
The basic equation is a special case of the ideal gas law. It states that the volume is proportional to the absolute temperature of said gas at a constant pressure.
What does the ideal gas law describe?
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
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 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
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.
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 is the density of a gas at 30 degrees celsius at 800mmhg If the gas has 80g per mole What is the molecular weight?
Use the ideal gas law. PV=nRT where P=Pressure, V=Volume, n=amount (mol), R is the constant (since you have mmHg it would be 62.4) and T=temperature (convert to Kelvin). the eqation for density is mass over volume, so use the ideal gas law to solve for volume. Then calculate mass over volume.
How did the ideal gas law contribute to the gas law?
All gas laws are absolutely accurate only for an ideal gas.
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.
How do you solve a Charles' Law problem?
The basic equation is a special case of the ideal gas law. It states that the volume is proportional to the absolute temperature of said gas at a constant pressure.
What does the ideal gas law describe?
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 of the ideal gas law would you use to calculate the number of moles of a gas?
From PV = nRT you solve for n (moles). Thus, n = PV/RT
What is the R in the ideal gas law?
the ideal gas constant D:
What is the volume of water vapor?
You can treat this as an Ideal Gas Law problem.See the Related Questions link to the left of this answer:"How do you solve an Ideal Gas Law problem?"
What form of ideal gas law would you use to calculate the number of moles of a gas?
From PV = nRT you solve for n (moles). Thus, n = PV/RT
What form of the ideal gas law would you use to calculate the number of moles of the gas?
From PV = nRT you solve for n (moles). Thus, n = PV/RT
