Gasesvan der Waals Volume Correction121Choose the best answerWhy is nb subtracted from V in the van der Waals equation?AThe volume available for molecular motion is less than the container volumeBMolecules have no volumeCGas pressure becomes zeroDTemperature decreases Like 0 Discuss 0Share
GasesStandard Temperature and Pressure122Choose the best answerStandard temperature and pressure, using the conventional 1 atm definition, correspond to:A0°C and 1 atmB25°C and 1 atmC0 K and 1 atmD100°C and 1 atm Like 0 Discuss 0Share
GasesCompressibility Factor and Negative Deviation123Choose the best answerNegative deviation from ideal behaviour, Z < 1, occurs mainly because of:ARepulsive forcesBAttractive forces between moleculesCZero molecular volumeDComplete absence of intermolecular forces Like 0 Discuss 0Share
GasesPressure Units124Choose the best answerWhich represents the highest pressure?A1 torrB1 cm HgC1 mmHgD1 Pa Like 0 Discuss 0Share
GasesPressure Units125Choose the best answerThe SI unit of pressure is:ATorrBPascal (Pa)CmmHgDAtmosphere Like 0 Discuss 0Share