If the reaction quotient (Q) is __________ than the equilibrium constant (Keq) then the forward reaction is favored. equal to less greater more
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If the reaction quotient (Q) is __________ than the equilibrium constant (Keq) then the forward reaction is favored.
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- In the following reaction, what ions, if any, are spectators ions? AgNO3 + KI begin mathsize 24px style rightwards arrow end style AgI + 2KNO3 Select one: a. Ag+ (aq), NO-3(aq) b. K+(aq), Ag+(aq) c. K+ (aq), I–(aq) d. Ag+(aq), I-(aq) e. K+(aq), NO-3(aq)For the Reaction: AgCl= Ag++ Cl- When adding AgNO3+ HCl What stress is applied and what direction does the equilibrium shift? When adding Liquid + AgNO3 What stress is applied and what direction does the equilibrium shift? When adding Liquid, AgNO3+ NH3 What stress is applied and what direction does the equilibrium shift? When adding Solid + NH3 What stress is applied and what direction does the equilibrium shift? When adding Solid + NH3+ HNO3 What stress is applied and what direction does the equilibrium shift?The solubility of siliver bromide can be increased by dissolving it in a solution containing the thiosulfate anion. AgBr(s) -> Ag+(aq)+Br-(aq) K1= 7.7x10-13 Ag+(aq)+2S2O32-(aq) -> Ag(S2O3)23-(aq) K2= 4.7x1013 What is the value of the equilibrium constant for the overall reaction? AgBr(s)+2S2O32-(aq) -> Ag(S2O3)23-(aq)+Br-(aq)
- Consider the ionization of nitrous 2.2acid at 25 °C: HNO2(aq) + H2O(l)⟷⟷ H3O+(aq) + NO2–(aq) ΔG° = 19.1 kJ·mol–1 What is the value of K for this equilibrium? A)2.2×103 B)2.2 C)4.5x10-4 D)2.0×10-7When 2.3 moles of HBrO2 is dissolved in 2 liters of solution it is found at equilibrium that [H3O+] = . 067, calculate ki for HBrO2When you balance the reaction MnO4- + S2O32- ----- MnO2 + S4O62- in acid medium, there will be A. 4 H+ in the left of the balanced reaction B. 10 H+ in the right of the balanced reaction C. 6 H+ in the left of the balanced reaction D. 12 H+ in the left of the balanced reaction E. 8 H+ in the left of the balanced reaction
- Co(H2O)62+ + 4Cl- ⇋ CoCl4- + 6H2O (l) Cobalt Equilibrium The system begins pink. 1. What happens if HCL is added? 2. What happens if CaCl2 is added? 3. What happens if water is added to #1? 4. What happens if hydrochloric acid and then silver (I) nitrate? 5. What happens if heat is added? 6. What happens if heat is removed from #5?When you balance the reaction MnO4- + S2O32- ----- MnO2 + S4O62- in acid medium, there will be A. 12 H+ in the left of the balanced reaction B. 6 H+ in the left of the balanced reaction C. 10 H+ in the right of the balanced reaction D. 4 H+ in the left of the balanced reaction E. 8 H+ in the left of the balanced reaction1. HP ⇌ H+ +P- red yellow The above equilibrium system appears orange due to equal concentrations of HP and P-. (a)What action will shift the equilibrium so the solution turns red? (b)What could be done to shift the equilibrium so the solution turns yellow?
- Calculate the mas of AgCl need to contain 7.5g AgBalanced Equation: 2CrO42-(aq) + 2H+(aq) Cr2O72-(aq) + H2O(l) 5) Assume that the dynamic equilibrium represented in the equation in 1 is present in the original solution you placed in the test tube. Based on LeChatelier’s Principle, as stated above on page one, you will interpret the observations made in 2, above: (Notethat H2SO4 produces H+ in solution.) a) When sulfuric acid was added, which reaction (forward or reverse) was favored? What evidence supports this? Why would this reaction be favored? b) Assume that the system rapidly returns to equilibrium. At this new position of equilibrium, is there more or less Cr2O72-present after the addition of the acid? Based on this, what happened to the amount of CrO42-? 6) Based on LeChatelier’s Principle, as stated above, you will interpret the observations made in 3, above: Note: NaOH produces OH- in solution. a) When sodium hydroxide was added, which reaction in 1 (forward or reverse) was favored? What evidence supports this? Why…For the idealized reaction aA + bB mcC + dD, suppose that theequilibrium constant, Keq, is 0.01. If the starting concentrations for A,B, C, and D are 1 M each, what would you predict will happen based onthe value of Keq?a. The forward reaction is favored.b. The reverse reaction is favored.c. The forward reaction is fast.d. The reverse reaction is fast.e. Both b and d are correct.