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4) If this reaction was exothermic and the equilibrium mixture from part 3 was cooled to 5 °C, which of the following options apply when the mixture is at equilibrium again? Compared to before the mixture was cooled... Equilibrium constant, K: K has increased K has not changed K has decreased Rate constants, kfwd and krev: kfwd has increased krev has increased kfwd = krev kfwd has not changed ☐ krev has not changed kfwd > Krev ☐kfwd has decreased ☐ krev has decreased kfwd raterev both rates have increased both rates have decreased only ratefwd has increased Check all that apply. For each quantity (K, k, [], and rate) in questions 1 to 4, there is at least one correct option (that means there can be more than one correct answer). Full credit is only awarded if all correct answers are selected. A(aq) = B(aq) 1) At 25 °C, two species, A and B, are at equilibrium: What does this information tell you about the following quantities? Equilibrium constant, K: ☐ K=0 0 1 Rate constants, kfwd and krev: Not enough information given kfwd > Krev kfwd = Krev ✓ Not enough information given kfwd < Krev Concentrations, [A] and [B]: [A] = [B] [A] >[B] [A]<[B] ✓ 1A) and (B валений efwd=raterev ratefwd > raterev [A] and [B] remain constant ratefwd 1 Rate constants, kfwd and krev: kfwd = krev kfwd > krev kfwd < krev Concentrations, [A] and [B]: [A] = [B] [A] >[B] [A] <[B] KAJ and [A] and [B] remain constant Rates, ratefwd and raterev: ratefwd=raterev ratefwd > rate rev ratefwd rate rev both rates have increased

4) If this reaction was exothermic and the equilibrium mixture from part 3 was cooled to 5 °C, which of the following options apply when the mixture is at equilibrium again? Compared to before the mixture was cooled... Equilibrium constant, K: K has increased K has not changed K has decreased Rate constants, kfwd and krev: kfwd has increased krev has increased kfwd = krev kfwd has not changed ☐ krev has not changed kfwd > Krev ☐kfwd has decreased ☐ krev has decreased kfwd raterev both rates have increased both rates have decreased only ratefwd has increased Check all that apply. For each quantity (K, k, [], and rate) in questions 1 to 4, there is at least one correct option (that means there can be more than one correct answer). Full credit is only awarded if all correct answers are selected. A(aq) = B(aq) 1) At 25 °C, two species, A and B, are at equilibrium: What does this information tell you about the following quantities? Equilibrium constant, K: ☐ K=0 0 1 Rate constants, kfwd and krev: Not enough information given kfwd > Krev kfwd = Krev ✓ Not enough information given kfwd < Krev Concentrations, [A] and [B]: [A] = [B] [A] >[B] [A]<[B] ✓ 1A) and (B валений efwd=raterev ratefwd > raterev [A] and [B] remain constant ratefwd 1 Rate constants, kfwd and krev: kfwd = krev kfwd > krev kfwd < krev Concentrations, [A] and [B]: [A] = [B] [A] >[B] [A] <[B] KAJ and [A] and [B] remain constant Rates, ratefwd and raterev: ratefwd=raterev ratefwd > rate rev ratefwd rate rev both rates have increased

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Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4) If this reaction was exothermic and the equilibrium mixture from part 3 was cooled to 5 °C, which of the following options apply when the mixture is at equilibrium again? Compared to before the mixture was cooled... Equilibrium constant, K: K has increased K has not changed K has decreased Rate constants, kfwd and krev: kfwd has increased krev has increased kfwd = krev kfwd has not changed ☐ krev has not changed kfwd > Krev ☐kfwd has decreased ☐ krev has decreased kfwd <krev Concentrations, [A] and [B]: [A] and [B] have not changed ☐ [A] has increased [B] has increased Rates, ratefwd and raterev: ratefwd=raterev ratefwd > raterev both rates have increased both rates have decreased only ratefwd has increased
Transcribed Image Text:4) If this reaction was exothermic and the equilibrium mixture from part 3 was cooled to 5 °C, which of the following options apply when the mixture is at equilibrium again? Compared to before the mixture was cooled... Equilibrium constant, K: K has increased K has not changed K has decreased Rate constants, kfwd and krev: kfwd has increased krev has increased kfwd = krev kfwd has not changed ☐ krev has not changed kfwd > Krev ☐kfwd has decreased ☐ krev has decreased kfwd <krev Concentrations, [A] and [B]: [A] and [B] have not changed ☐ [A] has increased [B] has increased Rates, ratefwd and raterev: ratefwd=raterev ratefwd > raterev both rates have increased both rates have decreased only ratefwd has increased
Check all that apply. For each quantity (K, k, [], and rate) in questions 1 to 4, there is at least one correct option (that means there can be more than one correct answer). Full credit is only awarded if all correct answers are selected. A(aq) = B(aq) 1) At 25 °C, two species, A and B, are at equilibrium: What does this information tell you about the following quantities? Equilibrium constant, K: ☐ K=0 0<K<1 K=1 ☐ K > 1 Rate constants, kfwd and krev: Not enough information given kfwd > Krev kfwd = Krev ✓ Not enough information given kfwd < Krev Concentrations, [A] and [B]: [A] = [B] [A] >[B] [A]<[B] ✓ 1A) and (B валений efwd=raterev ratefwd > raterev [A] and [B] remain constant ratefwd <raterev Rates, ratefwd and raterev: (rateswd=kiw[A] and rate rev = krev[B]) 2) The equilibrium mixture of species A and B was analyzed and turned out to contain 100 times more B than A. With this new piece of information, consider all options again: Equilibrium constant, K: □ K=0 □ 0 < K < 1 ☐ K = 1 ☐ K > 1 Rate constants, kfwd and krev: kfwd = krev kfwd > krev kfwd < krev Concentrations, [A] and [B]: [A] = [B] [A] >[B] [A] <[B] KAJ and [A] and [B] remain constant Rates, ratefwd and raterev: ratefwd=raterev ratefwd > rate rev ratefwd <raterev 3) If some A was added to the mixture from part 2 at equilibrium, which of the following options apply when the mixture is at equilibrium again? Compared to before some A was added... Equilibrium constant, K: K has increased Khas not changed K has decreased Kfwd has not changed only [A] has increased Rate constants, kfwd and krev: kfwd has increased Concentrations, [A] and [B]: [A] and [B] have not changed both [A] and [B] have increased ☐ only [B] has increased Rates, ratefwd and raterev: ratefwd=raterev ratefwd > rate rev both rates have increased
Transcribed Image Text:Check all that apply. For each quantity (K, k, [], and rate) in questions 1 to 4, there is at least one correct option (that means there can be more than one correct answer). Full credit is only awarded if all correct answers are selected. A(aq) = B(aq) 1) At 25 °C, two species, A and B, are at equilibrium: What does this information tell you about the following quantities? Equilibrium constant, K: ☐ K=0 0<K<1 K=1 ☐ K > 1 Rate constants, kfwd and krev: Not enough information given kfwd > Krev kfwd = Krev ✓ Not enough information given kfwd < Krev Concentrations, [A] and [B]: [A] = [B] [A] >[B] [A]<[B] ✓ 1A) and (B валений efwd=raterev ratefwd > raterev [A] and [B] remain constant ratefwd <raterev Rates, ratefwd and raterev: (rateswd=kiw[A] and rate rev = krev[B]) 2) The equilibrium mixture of species A and B was analyzed and turned out to contain 100 times more B than A. With this new piece of information, consider all options again: Equilibrium constant, K: □ K=0 □ 0 < K < 1 ☐ K = 1 ☐ K > 1 Rate constants, kfwd and krev: kfwd = krev kfwd > krev kfwd < krev Concentrations, [A] and [B]: [A] = [B] [A] >[B] [A] <[B] KAJ and [A] and [B] remain constant Rates, ratefwd and raterev: ratefwd=raterev ratefwd > rate rev ratefwd <raterev 3) If some A was added to the mixture from part 2 at equilibrium, which of the following options apply when the mixture is at equilibrium again? Compared to before some A was added... Equilibrium constant, K: K has increased Khas not changed K has decreased Kfwd has not changed only [A] has increased Rate constants, kfwd and krev: kfwd has increased Concentrations, [A] and [B]: [A] and [B] have not changed both [A] and [B] have increased ☐ only [B] has increased Rates, ratefwd and raterev: ratefwd=raterev ratefwd > rate rev both rates have increased
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