For the irreversible reaction, Ca+ 2C = Ca C2, Δ H°2... - Solved MCQs & Answer

3665Chemical EngineeringMedium

For the irreversible reaction, Ca+ 2C = Ca C2, Δ H°298 = – 60000 J. mole-1. 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________?

A30,000 J

B2,40,000 J

C90,000 J

D60,000 J

Correct answer

C. 90,000 J

Explanation

The correct answer is 90,000 J.

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