Thursday
April 24, 2014

Homework Help: chemistry

Posted by samantha(very important) on Sunday, October 23, 2011 at 7:13pm.

A gas mixture with a total pressure of 745mmHg contains each of the following gases at the indicated partial pressures: CO2, 257 mmHg; Ar, 123mmHg; and O2, 160 mmHg. The mixture also contains helium gas.

What is the partial pressure of the helium gas?

What mass of helium gas is present in a 10.1L sample of this mixture at 263 K?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chem 105 - A gas mixture with a total pressure of 745mmHg contains each of the ...
chemistry - Consider a 50 L tank which hold 20 g of hydrogen gas, 20 g of carbon...
Chemistry - a tank contains a mixture of 3.0 mol of nitrogen gas, 2.0 mol of ...
Chemsitry II - The partial pressure of CH4(g) is 0.185 atm and that of O2(g) is ...
Chemistry (URGENT) - A gas mixture with a total pressure of 770 contains each of...
Chemistry - A gaseous mixture of O2, H2, and N2 has a total pressure of 1.50 atm...
CHEM! - A gas mixture contains 0.60 mol of N2, 0.10 mol of H2, 0.20 mol of CH4. ...
Chemsitry II - mole fraction is equal to partial pressure divided by the total ...
chemistry - 20g of nitrogen gas and 10g of helium gas are placed together in a ...
Chemistry - A gas mixture containing N2 and O2 was kept inside a 2 L container ...

Search
Members