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Simora [160]
3 years ago
10

Gasoline burns in the cylinder of an automobile engine. During the combustion reaction, the production of gas forces the piston

to move, exerting 560J. Also, the engine’s cooling system has to carry away 2.2kJ as a result of the increased temperature of the coolant liquid. If the system is defined to be the gasoline and oxygen that react, what is the change in its internal energy?
Physics
1 answer:
serg [7]3 years ago
6 0

Answer:

\Delta U = 1640 J

Explanation:

As we know by first law of thermodynamics that for ideal gas system we have

Heat given = change in internal energy + Work done

so here we will have

Heat given to the system = 2.2 kJ

Q = 2200 J

also we know that work done by the system is given as

W = 560 J

so we have

\Delta U = Q - W

\Delta U = 2200 - 560

\Delta U = 1640 J

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