If a gas expands at constant temperature, it indicates that:
Number of the molecules of gas increases
Kinetic energy of molecules decreases
Pressure of the gas increases
Kinetic energy of molecules remains the same
Additional Questions
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A and B are ideal. The molecular weights of A and B are in the ratio of 1 : 4. The pressure of a gas mixture containing equal weights of A and B is P atm. What is the partial pressure (in atm) of B in the mixture? |
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Which of the given sets of temperature and pressure will cause a gas to exhibit the greatest deviation from ideal gas behaviour? |
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Which among the following gases can be liquified easily? |
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One mole of oxygen at 273 K and one mole of sulphur dioxide at 546 K are taken in two separate containers, then, |
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For one mole of an ideal gas the slope of V vs. T curve at constant pressure of 2 atm is X lit mol–1 K–1. The value of the ideal universal gas constant ‘R’ in terms of X is |
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If 10–4 dm3 of water is introduced into a 1.0 dm3 flask at 300 K, how many moles of water are in the vapour phase when equilibrium is established? |
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In two vessels of 1 L each at the same temperature 1 g of H2 and 1 g of CH4are taken, for these |
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Which one of the following statements is NOT true about the effect of an increase in temperature on the distribution of molecular speeds in a gas? |
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What volume of oxygen gas (O2) measured at 0°C and 1 atm, is needed to burn completely 1 litre of propane gas (C3H8) measured under the same conditions? |
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‘n’ mole of an ideal gas at temperature T (in Kelvin) occupy ‘V’ litres of volume, exerting a pressure of ‘P’ atmospheres. What is its concentration (in mole.lit)? (R = gas constant) |
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