Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in _____________ in the volume of the gas?

Related Mcqs:

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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