A. No change
B. Doubling
C. 1/4th reduction
D. Fourfold increase
Related Mcqs:
- If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will_________________?
A. Be reduced to 1/4th
B. Increase four times
C. Increase two times
D. None of these - A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be_______________?
A. -136.5°C
B. – 136.5°K
C. -273°C
D. 0°K - A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be________________?
A. 0°C
B. 0°K
C. -136.5°C
D. -136.5°K - If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will _______________?
A. Remain unaltered
B. Increase nine fold
C. Increase three fold
D. Decrease three fold - At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?
A. 273°C
B. 273°K
C. 100°C
D. 200°C - A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c?
A. 283
B. 566
C. 293
D. 141.5 - At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?
A. Decrease in mean free path
B. Increased collision rate among molecules
C. Increase in molecular attraction
D. Increase in average molecular speed - The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________?
A. Doubled
B. Halved
C. Trebled
D. Unpredictable - The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas)?
A. √T
B. T
C. T2
D. 1/√T - In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is__________________?
A. 180
B. 60.3
C. 720
D. 200
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