MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Gases#Pressure Units66Choose the best answerThe pressure 14.7 psi is equal to: (IBA MDCAT Reconduct 2024)A1 torrB1 pascalC1 atmD1 Nm Like 0 Discuss 0Share
GasesCharles's Law Graph and Absolute Zero67Choose the best answerA Charles's law V-versus-°C graph, when extrapolated backwards, intersects the temperature axis at approximately:A0°CB−273.15°CC100°CD+273°C Like 0 Discuss 0Share
GasesAverage Kinetic Energy of Gases68Choose the best answerIf an ideal gas expands at constant temperature, its average molecular kinetic energy:AIncreasesBDecreasesCRemains constantDBecomes zero Like 0 Discuss 0Share
GasesCombined Gas Law69Choose the best answerIf the pressure of a gas is halved and its absolute temperature is doubled, its volume becomes:AFour timesBTwo timesCUnchangedDEight times Like 0 Discuss 0Share
Gasesvan der Waals Volume Correction70Choose the best answerIn the van der Waals equation, the term nb corrects for:AIntermolecular attractionBVolume occupied by gas moleculesCTemperatureDExternal pressure Like 0 Discuss 0Share