Physics - gas and energy

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» Physics - gas and energy - need solved

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Dec 13, 2007, 02:02 PM

hobomagic59

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Join Date: Dec 2007

Posts: 2

Physics - gas and energy - need solved

2.5 moles of an ideal gas is at an initial temperature of 30 degrees C and has an initial volume of .04m^3 . The gas expands adiabatically to a volume of .16m^3. For the gas, Cv=12.47 J/mol * K. The gas constant is R=8.314 J/mol * K.
Calculate the internal energy change of the gas during this expansion

I dont know where to even start. Any help would be awsome. Thanks

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