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A certain mass of gas is taken from an initial thermodynamic s

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A certain mass of gas is taken from an initial thermodynamic state A to another state B by process I and II. In process I the gas does 5 joules of work and absorbs 4 joules of heat energy. In process II, the gas absorbs 5 joules of heat. The work done by the gas in process II (see figure) is

+6 joules

-6 joules

+4 joules

-4 joules

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A certain mass of gas is taken from an initial thermodynamic state A to another state B by process I and II. In process I the gas does 5 joules of work and absorbs 4 joules of heat energy. In process II, the gas absorbs 5 joules of heat. The work done by the gas in process II (see figure) is

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Text solutionVerified

Internal energy doesnt depend on path.

∴ Q = U + W

in path

I

Q = u, w = + 5

U = - 1 J

in path

II

Q = 5, U = - 1

∴ W = 5 - (- 1) = 6 J

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Question Text	A certain mass of gas is taken from an initial thermodynamic state A to another state B by process I and II. In process I the gas does 5 joules of work and absorbs 4 joules of heat energy. In process II, the gas absorbs 5 joules of heat. The work done by the gas in process II (see figure) is
Answer Type	Text solution:1
Upvotes	150

A certain mass of gas is taken from an initial thermodynamic state A to another state B by process I and II. In process I the gas does 5 joules of work and absorbs 4 joules of heat energy. In process II, the gas absorbs 5 joules of heat. The work done by the gas in process II (see figure) is

Text solutionVerified

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