February 24, 2017

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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