Posted by **Anonymous** on Tuesday, May 13, 2014 at 9:48pm.

What is the pressure, in torr, of a gas whose density is 8.0 g/L at a temperature of 25 C above standard temperature and whose molecular weight is 75 g/mol?

- Chemistry -
**Devron**, Tuesday, May 13, 2014 at 10:13pm
Use the gas law and solve for the pressure:

PV=nRT

Where

n=moles of gas

L=volume

R=62.3637 L·Torr/mol·K

and

T=273.15K + 25 C=298.15K

The density of the gas is 8.0g/L and the molecular weight of the gas is 75 g/mol

8.0g//75g/mol= x mol/L

Rearrangement of the gas law gives the following:

P=(n/V)*RT

Plug in x mol/L into the equation and plug and chug.

- Chemistry-Typo Fix -
**Devron**, Tuesday, May 13, 2014 at 10:15pm
**Fixed a typo that probably would cause confusion.

Use the gas law and solve for the pressure:

PV=nRT

Where

n=moles of gas

L=volume

R=62.3637 L·Torr/mol·K

and

T=273.15K + 25 C=298.15K

The density of the gas is 8.0g/L and the molecular weight of the gas is 75 g/mol

8.0g/L**/75g/mol= x mol/L

***This leaves mol/L

Rearrangement of the gas law gives the following:

P=(n/V)*RT

Plug in x mol/L into the equation and plug and chug.

## Answer this Question

## Related Questions

- AP Chemistry - The rate of effusion of unknown gas X is found to be about 1.5 ...
- Chemistry - It is found that an unknown gas has a density of 2.5 times that of ...
- chemistry - one mole of a gas occupies 27.0 liters, and its density is 1.41g/l ...
- Chemistry - For a gas sample whose total pressure is 740 torr, what are the ...
- chemistry homework help!! - many gases are shipped in high pressure containers. ...
- Chemistry - An ideal gas is contained in a cylinder with a volume of 5.0 102 mL ...
- chem - At what temperature will a 1.0 g sample of neon gas exert a pressure of ...
- physics - A 22.0-L tank of carbon dioxide gas (CO2) is at a pressure of 9.40 105...
- Chemistry - 1. A cylinder of Xenon has a volume of 750. ml. At 25.0°C the ...
- fluid mechanics - a gas well containd hydrocarbon gases with an average ...

More Related Questions