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White raven [17]
4 years ago
11

The combustion of fuel in a piston cylinder causes an internal energy change of –2836 kJ. The components surrounding the cylinde

r absorb 963.6 kJ of heat. How much work can be done by the fuel on the piston in the cylinder?
Physics
1 answer:
ikadub [295]4 years ago
3 0

Answer:

Explanation:

From first law of thermodynamics

Q = ΔE + W

Q is heat added , ΔE is increase in internal energy and W is work done.

Here Q = - 963.6 kJ  , - ve sign because head is absorbed

ΔE - 2836 kJ  , negative sign given ( gas cooled )

Putting these values in the equation above

- 963.6 = - 2836 + W

W = 2836 -  963.6 kJ

= 1872.4 kJ .

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