Chemistry, 05.12.2019 10:31 Jasten

The gauge on a tank of helium gas says the pressure inside is 2940 psig.
a. what is the actual pressure of the helium gas inside, in pounds per square inch?
b. if a balloon is filled to a volume of 2.00 l and a pressure of 4.50 atmospheres at room temperature (25 oc),
how many moles of helium are in the balloon? assume ideal-gas behavior.

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