Chemical EquilibriumReversible Reactions36Choose 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 Constant37Choose 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 Equilibrium38Choose 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 Rate39Choose 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
Chemical EquilibriumRelationship Between Kp and Kc40Choose the best answerFor which reaction is Kp > Kc?AN₂(g) + 3H₂(g) ⇌ 2NH₃(g)BH₂(g) + I₂(g) ⇌ 2HI(g)CPCl₃(g) + Cl₂(g) ⇌ PCl₅(g)D2SO₃(g) ⇌ O₂(g) + 2SO₂(g) Like 0 Discuss 0Share