Chemical equilibrium 01Chemical equilibrium #Dynamic Equilibrium1Choose the best answerWhy is a closed container needed to establish chemical equilibrium?APrevents the reaction from occurringBPrevents reactants and products from escapingCMakes the forward reaction irreversibleDKeeps reactant concentrations equal Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc2Choose the best answerFor A(g) + B(g) ⇌ C(g), Kc = 2. At equilibrium [A] = 1 mol L⁻¹ and [B] = 3 mol L⁻¹. Calculate [C].A1 mol L⁻¹B2 mol L⁻¹C3 mol L⁻¹D6 mol L⁻¹ Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc3Choose the best answerIf Kc > 1, what is generally true about the equilibrium mixture?AMore reactants than productsBMore products than reactantsCEqual amounts of reactants and productsDNo reactants Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc4Choose the best answerFor the equilibrium CO₂(g) + H₂(g) ⇌ CO(g) + H₂O(l), what is the unit of Kc?Amol·dm⁻³Bmol⁻¹·dm³Cmol⁰·dm⁰ (no unit)Dmol²·dm⁻⁶ Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc5Choose the best answerA very large value of Kc shows that, at equilibrium, the reaction is:APredominantly reverseBVirtually complete in the forward directionCAt equilibrium with equal reactant and product concentrationsDUnable to proceed Like 0 Discuss 0Share