For the irreversible reaction, C+ 2C = C C , Δ H°298 = - 60000 J . mole . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

For the irreversible reaction, C+ 2C = C C , Δ H°298 = - 60000 J . m

1.	For the irreversible reaction, C+ 2C = C C , Δ H°298 = - 60000 J . mole . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be
A.	30000 J
B.	60000 J
C.	90000 J
D.	240000 J
Answer» D. 240000 J

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For the irreversible reaction, C+ 2C = C C , Δ H°298 = - 60000 J . mole . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

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