The value of universal gas constant is 8-3 J - mole - K- the mean kinetic energy of 32 gm of oxygen at -73- C will beA- 480 JB- 4980 JC- 2490 JD- The information is incomplete

The correct option is C 2490 J KE=3/2nRT =3/2×1×8.3×200 =2490J ...

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Kinetic Theory of Gases

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The value of universal gas constant is 8.3 J/mole/K, the mean kinetic energy of 32 gm of oxygen at $- 73^{\circ} C$ will be

480 J

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4980 J

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2490 J

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The information is incomplete

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8.3 J / m o l e / K

32 g m

- 73^{o} C

8.3 J / m o l e

K

- 736 \circ C

8.3 j o u l e m o l^{- 1} K^{- 1}

6 \times 10^{23}

327^{\circ} C

[R = 8.3 J / m o l - K]

10

127^{\circ} C

R = 8320 J / m o l K

= 40 k g / m o l

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