States of Matter - Result Question 58

58. The total energy of one mole of an ideal monoatomic gas at $27^{\circ} C$ is _________ cal. (1984, 1M)

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Answer:

Correct Answer: 58. (900)

Solution:

At $27^{\circ} C, E=\dfrac{3}{2} R T=\dfrac{3}{2} \times 2 \times 300=900 cal$