A heat engine has the three step cycle shown above. Starting from point A , 1 L

Question

A heat engine has the three step cycle shown above. Starting from point A, 1 L (liter) of monatomic ideal gas expands in the isobaric (constant pressure) process A to B at P = 2 atm. B to C is isovolumetric process at V = 5 L, and C to A is an isothermal (constant temperature) compression at 300 K.

1)Find the pressure (in atm) at point C in atmospheres atm.

Pc = 0.4  atm

2)Find the heat (in J) exhausted in the process B to C .

Q =____________? J

3) If the net work done by the engine per cycle is 482.9 J, find the work done by the gas during process C to A.

WCA = -327.7 J

Explanation / Answer

6000 joules

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