Chemical EquilibriumEffect of Temperature on Equilibrium56Choose the best answerFor A + B + heat ⇌ C + D, increasing temperature causes the concentration of products to:AIncreaseBDecreaseCRemain unchangedDBecome zero Like 0 Discuss 0Share
Chemical EquilibriumReversible Reactions57Choose the best answerWhich is a characteristic of a reversible reaction in a closed system?AReactants and products must have equal molesBIt always proceeds completely to productsCIt generally does not proceed completely in either directionDThe backward reaction cannot occur Like 0 Discuss 0Share
Chemical EquilibriumFactors Affecting Equilibrium Constant58Choose the best answerFor CH₃COOH + H₂O ⇌ CH₃COO⁻ + H₃O⁺, the equilibrium constant changes when:ACH₃COO⁻ is addedBCH₃COOH is addedCA catalyst is addedDTemperature is changed Like 0 Discuss 0Share
Chemical EquilibriumEffect of Pressure on Physical Equilibrium59Choose the best answerFor the equilibrium ice ⇌ liquid water, increasing pressure favours:AFormation of more liquid waterBFormation of more iceCNo changeDDecomposition of water Like 0 Discuss 0Share
Chemical EquilibriumActive Mass and Reaction Rate60Choose the best answerUnder the same experimental conditions, increasing reactant concentration generally:ADecreases reaction rateBIncreases reaction rateCHas no effect on reaction rateDStops the reaction Like 0 Discuss 0Share