Basic Science/Chem homework help?

Posted on 2015-08-21 05:58:00 in Chemistry by SARAIYA

On a summer day with a temperature of T = 21.2°C a jumping castle with a volume of 34.6 m3 is inflated with air to a pressure of 2.00 atm (1 atm is 1.01 x 105 Pa).
How many mols of air molecules are inside the jumping castle?

For the next part assume the jumping castle is airtight and that the material making up the jumping castle can not expand. As it approaches midday the temperature of the jumping castle increases by 5.00°C. What is the change in pressure inside the castle?

In reality jumping castles have leaky seams and are constantly filled with air from a compressor so that the pressure remains constant inside. This maintains a constant "bounciness".
One fifth of the air molecules leak out of the castle in one minute. A typical air compressor ejects air with a a pressure of 300 PSI (PSI is "pounds per square inch", 300 PSI is equivalent to 20.4 atm). Early in the day before the jumping castle heats up what volume of air needs to be ejected from the compressor each minute?

Having problems with these two questions, any help would be appreciated.

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