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3 years ago

In a heat engine, if 500 J of heat enters the system, and the piston does 300 J of work.

Physics

2 answers:

Alex Ar [27]3 years ago

7 0

Answer: The final answer is 1,700 J

Explanation: According to first law of thermodynamics:

=Final energy-initial energy=Change in internal energy

q = heat absorbed or released

w = work done by or on the system

w = work done by the system= {Work done by the system is negative as the final volume is greater than initial volume}

q = +500J {Heat absorbed by the system is positive}

w = work done by the system = -300J

U2- 1500J= + 500J --300J

U2= 1700J

Ket [755]3 years ago

6 0

1700 J you’re welcome

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