Chemical equilibrium 01Chemical equilibrium #Kc26Choose the best answerFor a reversible reaction, what happens when Qc < Kc?AShift in the forward directionBShift in the reverse directionCRemain unchangedDStop both reactions Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc27Choose the best answerHow does Qc differ from Kc?AQc uses equilibrium concentrations, whereas Kc uses initial concentrationsBQc uses concentrations at a given instant, whereas Kc uses equilibrium concentrationsCQc and Kc are always numerically equalDKc changes with concentration, whereas Qc remains constant Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc28Choose the best answerFor N₂(g) + 3H₂(g) ⇌ 2NH₃(g), which change alters Kc?AIncreasing [N₂]BDecreasing [H₂]CAdding a catalystDIncreasing temperature Like 1 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Catalytic Properties#Transition Elements29Choose the best answerA catalyst is added after equilibrium is established for 2SO₂(g) + O₂(g) ⇌ 2SO₃(g). Which statement is correct?AKc increases because the forward reaction becomes fasterBKc decreases because the reverse reaction becomes fasterCBoth forward and reverse rates increase, but Kc remains unchangedDEquilibrium shifts toward SO₃, increasing Kc Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Chemical Kinetics#Rate Constant30Choose the best answerWhich symbol represents the forward rate constant?AKcBkfCkrDRf Like 0 Discuss 0Share