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Kinetic Theory of Gases

Total kinetic...

Question

Total kinetic energy of two moles of an ideal gas at 127 $^{o}$ $C$ is:

A

8.31

k J

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B

9.98

k J

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C

3.20

k J

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D

5.68

k J

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Solution

The correct option is C $9.98$ $k J$
$K E = \frac{3}{2} n R T$
$K E = \frac{3 \times 2 \times 8.314 \times 400}{2} = 9.98 k J$

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