For a gas, the r.m.s. speed at 800K is
Half the value at 200 K
Double the value at 200 K
Same as at 200 K
Four times the value at 200 K
Additional Questions
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The internal energy of one mole of an ideal gas depend upon |
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The root mean square speed of hydrogen molecules at 300K is 1930 m/s. then the root mean square speed of oxygen molecule at 900K will be |
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If at same temperature and pressure, the densities for two diatomic gases are respectively d1 and d2, then the ratio of velocities of sound in these will be |
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5 gm of air is heated from 273 K to 275 K. the change in internal energy of air will be |
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K.E. per unit volume is given by |
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Mean kinetic energy per gram molecule of a gas is given by |
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If E is the kinetic energy per mole of a gas, and T is the absolute temperature, then the universal gas constant is given by |
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According to kinetic theory of gasses at absolute zero temperature |
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The mean translational K.E. per unit volume E and the pressure P of a perfect gas are related as |
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One mole of ideal gas required 207 J heat to rise the temperature by 10 K when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by the same 10K the heat required is (R = 8/3 J/mole K) |
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