Friday

October 24, 2014

October 24, 2014

Posted by **Shayla** on Monday, November 11, 2013 at 9:36pm.

--->

A sample containing 5.60g O2 gas has a volume of 31.0L . Pressure and temperature remain constant.

1 .) Oxygen is released until the volume is 8.00L . How many moles of O2 are removed?

- General Chemistry : for Nursing -
**DrBob222**, Monday, November 11, 2013 at 10:58pmPV = nRT; so if P, R and T are constant, that means V = n*k and n = grams/molar mass

You had 5.60/32 = 1.75 mols O2 to start. You end up with 8.00 which means you lost 31.0-8.00 = 23 L. How many mols is that? 1.75 x 23/31 = ?

**Answer this Question**

**Related Questions**

Chemistry - Really hard Chemistry question that I need help with. Any assistance...

chemistry - 1)A sample of CO2 gas which weighs 0.85 grams has a volume of 1.30 ...

CHEMISTRY!! D: - 1. A sample of gas under a pressure of 622 kPa has a volume of...

Chemistry;HELP - 1. A sample of gas under a pressure of 622 kPa has a volume of...

Chemistry - a sample of helium gas is in a closed system with a movable piston. ...

chemistry - A sample containing 4.8 g of O2 gas has a volume of 15.0L. Pressure ...

chemistry - A sample containing 4.8g of O2 gas has a volume of 15.0L. Pressure ...

Chemistry - A sample containing 4.80g of O2 gas has a volume of 15.0L. Pressure ...

chemistry - a sample containing 1.50 mol neon gas has a volume of 8.00L.what is ...

Chemistry - If a sample of gas occupies 2.1 ml at a pressure of 896 torr, what ...