GasesKinetic Energy of Gases131Choose the best answerAt what temperature will the total kinetic energy of 0.3 mol He equal that of 0.4 mol Ar at 400 K?A400 KB300 KC346 KD533 K Like 0 Discuss 0Share
GasesReal Gases and van der Waals Equation132Choose the best answerGases show significant deviation from ideal behaviour at high pressure mainly because:AIntermolecular forces and molecular volume become significantBGas molecules begin to move only in one directionCThe actual volume of gas molecules becomes zeroDIntermolecular forces become completely negligible Like 1 Discuss 0Share
GasesCompressibility Factor133Choose the best answerFor an ideal gas, the compressibility factor Z is:ALess than 1BGreater than 1CEqual to 1DEqual to 0 Like 0 Discuss 0Share
GasesCharles's Law134Choose the best answerA gas is enclosed under a movable piston. If its temperature is increased from 20°C to 100°C while external pressure remains constant, its volume will:ADecreaseBRemain unchangedCIncreaseDBecome zero Like 0 Discuss 0Share
GasesAverage Kinetic Energy of Gases135Choose the best answerEqual numbers of moles of H₂ and He are present at the same temperature. Which property is the same for both gases?AMassBAverage kinetic energyCMolar massDRoot mean square speed Like 0 Discuss 0Share