Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
1. Write equilibrium expressions for these reactions.
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- 2 H2O2(g) = 2 H2O(g) + O2(g)
- 2 N2O5(g) = 2 N2O4(g) + O2(g)
- 6 H2O(g) + CO2(g) = C6H12O6(s) + 6 O2(g)
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- 12) If 1.34 moles each of Br2 and Cl2 are introduced into an 11.0 liter flask and allowed to come to equilibrium, what should the equilibrium concentrations of Br2, Cl2, and BrCl be? 2 BrCl (g) « Br2 (g) + Cl2 (g)Kc = 0.143arrow_forwardThe equilibrium constant, Kc, is given for one of the reactions below. What is the value of the missing equilibrium constant, Kc? Cl₂(g) + H₂O(g) = 2 HCl(g) + 1/2 O₂(g) K = 7.52 × 10-2 4 HCI(g) + O₂(g) = 2 Cl₂(g) + 2 H₂O(g) OK= 5.66 x 10-3 OK= 13.3 OK= 0.150 OK = 177 OK = 3.65 K = ?arrow_forwardFor the reaction: 2CO2 (g) = 2CO(g) + O₂(g), What can be said about this reaction at this temperature? K = 1.00 × 10-13 at 1200 K The equilibrium lies far to the left. The reaction goes to completion. The reaction will proceed very slowly. The reaction contains significant amounts of products and reactants at equilibrium. The equilibrium lies far to the right.arrow_forward
- Consider the following reactions and their respective equilibrium constants: NO(g) + ½Br₂(g) = NOBr(g); K = 5.3 2NO(g) = N₂(g) + O₂(g); K = 2.1 × 10³⁰ Use these reactions and their equilibrium constants to predict the equilibrium constant for the following reaction: N₂(g) + O2(g) + Br₂(g) = 2NOBr(g) Express your answer using two significant figures.arrow_forwardConsider the following reversible reaction at equilibrium: C6H12O6(aq) + 6 O2(g) 6 CO2(g) + 6 H2O(l). Given that this reaction is exothermic, if heat is added to the equilibrium system, how is the stress relieved?arrow_forwardWhich of the following equilibrium expressions (K) represent the equilibrium reaction: 2 Fe(s) + 3 Cl2(g) = 2 FeCl3(s)arrow_forward
- Consider the following reaction at equilibrium. What effect will removing some SO2 have on the system? SO2(g) + NO2(g) = SO3(g) + NO(g) The pressure of SO3 will increase The equilibrium constant will decrease. No change will occur since SO2 is not included in the equilibrium expression. The pressure of NO2 will increase. The reaction will shift to decrease the pressure.arrow_forwardWrite the equilibrium-constant expression for the reaction shown in terms of [SO2], [CO2], [CS2], and [O2]. 2SO2(g)+CO2(g)↽−−⇀CS2(g)+3O2(g) ?c, which is sometimes symbolized as ? or ?eq, denotes that the equilibrium constant is expressed using molar concentrations. For this question, ?c means the same thing as ? and ?eq.arrow_forward
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