LiquidsVapour Pressure of Water66Choose the best answerAt 100°C, the equilibrium vapour pressure of water is approximately:A55 mmHgB355 mmHgC760 mmHgD1489 mmHg Like 0 Discuss 0Share
LiquidsBoiling Point and Atmospheric Pressure67Choose the best answerWater can boil at about 95°C at high altitude because:AAtmospheric pressure is lowerBAtmospheric pressure is higherCWater has no vapour pressureDHydrogen bonding disappears Like 0 Discuss 0Share
LiquidsFactors Affecting Evaporation68Choose the best answerWhich factor decreases the rate of evaporation?AIncrease in temperatureBIncrease in surface areaCStronger intermolecular forcesDFaster air movement Like 0 Discuss 0Share
LiquidsIntermolecular Forces and Boiling Point69Choose the best answerIf substance A has a higher boiling point than substances B and C, then A generally has:AThe weakest intermolecular forcesBThe strongest intermolecular forcesCThe highest vapour pressureDThe lowest molecular attraction Like 0 Discuss 0Share
LiquidsHydrogen Bonding and Boiling Point70Choose the best answerWhich compound has the highest boiling point?ANH₃BCH₄CH₂ODHF Like 0 Discuss 0Share