Chemical equilibrium 01Chemical equilibrium #Kc11Choose the best answerFor N₂(g) + 3H₂(g) ⇌ 2NH₃(g), Qc < Kc. What change occurs as equilibrium is restored?A[NH₃] decreases and [N₂], [H₂] increaseB[NH₃] increases and [N₂], [H₂] decreaseCForward and reverse rates both become zeroDReactant and product concentrations become equal Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc12Choose the best answerA reaction with a very small Kc mainly contains:APredominantly products at equilibriumBPredominantly reactants at equilibriumCEqual concentrations of reactants and productsDComplete conversion to products Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Chemical Kinetics#Rate Law13Choose the best answerFor the elementary reaction 2A ⇌ B, the forward reaction rate is proportional to:A[A]B[A]²C[B]D[B]² Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc14Choose the best answerFor Fe³⁺(aq) + 4Cl⁻(aq) ⇌ FeCl₄⁻(aq), which expression represents Kc?A[Fe³⁺][Cl⁻]⁴ / [FeCl₄⁻]B[FeCl₄⁻] / [Fe³⁺][Cl⁻]⁴C[FeCl₄⁻] / [Fe³⁺][Cl⁻]D[FeCl₄⁻]⁴ / [Fe³⁺][Cl⁻] Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Chemical Kinetics#Rate Law15Choose the best answerFor the elementary reaction aA + bB ⇌ cC + dD, the forward rate is:ARf = kf[C]ᶜ[D]ᵈBRf = kf[A]ᵃ[B]ᵇCRf = kr[A]ᵃ[B]ᵇDRf = kf[A][B] Like 0 Discuss 0Share