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  3. an ideal gas undergoes the following carnot cycle.

An ideal gas undergoes the following Carnot Cycle. It starts in a chamber of volume .0065...

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Physics

An ideal gas undergoes the following Carnot Cycle. It starts ina chamber of volume .0065 m3 and temperature 345 Kelvinand pressure 630 kPa (state 1). It is allowed to expandisothermally to a volume of .01066 m3 (state 2) whileheat is added to the gas.  Then it expands adiabaticallyto a volume of .01784 m3 (state 3). Then, it iscompressed isothermally to a volume of Vf m3(state 4) while heat is extracted from the gas.  Finally,it returns to its initial state in an adiabaticprocess.  (The gamma of the gas, γ =1.28,  Cv = 3.5R).

How much heat is added in the 1st isothermal processand the efficiency of this engine?

a.)1.878 kJ, 11.2%

b.) 2.029 kJ, 11.2%

c.) 2.029 kJ, 13.6%

d.) 2.334 kJ, 13.6%

e.) 2.334 kJ, 15.8%

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