Friday
February 27, 2015

Homework Help: Chemistry

Posted by May on Wednesday, April 16, 2014 at 11:55pm.

Help please?
1)A sample of propane gas occupies 625 cm3 at 20.0 C and 750 torr. What is the final volume in cubic centimeters at -80.0 C and 750 torr?

2)If oxygen gas is collected over water at 25 C and 775 torr, what is the partial pressure of the O2? The vapor pressure of water at 25 C is 23.8 torr.

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