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December 26, 2014

Homework Help: Phyics

Posted by Physics on Wednesday, July 21, 2010 at 3:37pm.

A Carnot engine has 200 g of helium as its working substance and operates between two reservoirs which are at temperatures of 500C and 30C. The initial volume of the gas is 20 litres while the volume after isothermal expansion is 60 litres.
For one complete cycle, determine :
A. the heat absorbed from the hot reservoir

can anyone tell me where to start with this?
imn really lost

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