October 25, 2016

Homework Help: chem

Posted by hhh on Thursday, July 26, 2012 at 8:21am.

A typical party balloon when inflated has a volume of 7.3 L. How many moles of helium are in the balloon if the pressure of helium is 1.2 atm and the temperature is 20.7 C? Take the value of R to be 0.08206 L-atm/mol-K.

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