The specific heat of one mole of an ideal -gas at constant volume is 21-2 J-mole- C- If the temperature is increased by 1- C keeping the volume constant- the change in its internal energy will be

DU=nC_v dT =1×21.2×1 =21.2 J ...

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Standard XII

Physics

Heat Capacity

The specific ...

Question

The specific heat of one mole of an ideal `gas at constant volume is $21.2 J / m o l e /^{\circ} C$ . If the temperature is increased by $1^{\circ} C$ keeping the volume constant, the change in its internal energy will be

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21.2 J

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42.2 J

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10.6 J

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Solution

The correct option is B
21.2 J

$d U = n C_{v} d T = 1 \times 21.2 \times 1 = 21.2 J$

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The specific heat of one mole of an ideal `gas at constant volume is 21.2J/mole/∘C. If the temperature is increased by 1∘C keeping the volume constant, the change in its internal energy will be

The correct option is B 21.2 J dU=nCvdT=1×21.2×1=21.2J

The specific heat of one mole of an ideal `gas at constant volume is $21.2 J / m o l e /^{\circ} C$ . If the temperature is increased by $1^{\circ} C$ keeping the volume constant, the change in its internal energy will be

The correct option is B
21.2 J

$d U = n C_{v} d T = 1 \times 21.2 \times 1 = 21.2 J$