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The average kinetic energy per molecule of an ideal gas at 300 K is:

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Important Questions on States of Matter

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If the temperature of 1 mole of a gas is increased by 60°, then the change in kinetic energy of the system will be:
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If the RMS velocity of one mole of helium gas having molar mass M is urms, what is the correct expression for urms?

(Average kinetic energy is KE)

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If the urms of a gas at 300 K is 10R1/2 m/sec, then the molar mass of the gas is:
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On increasing the temperature from 30°C to 60°C, the average kinetic energy of argon gas increases by a factor of:
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The pressure of 2 moles of HF gas in a 5 litres flask at a certain temperature is 9.33 atm. The temperature of the gas is:

(Given: a=4.17, b=0.03711)

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The compression factor (compressibility factor) for one mole of a Van der Waal's gas at 0°C and 100 atm is found to be 0.5. Assuming that the volume of the gas molecule is negligible, what is the value of the Van der Waal's constant a?
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A gas shows positive deviation and obeys the equation of state PV-b=RT. The slope and intercept of the isobaric curve are:
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Which one of the following is most likely to be correct regarding the graph given above?