A system is at equilibrium. Which statement is correct?
(The rate of the forward reaction equals the rate of the reverse reaction)
H2O(i) + heat = H2O(g)
A sample of water is at equilibrium at 100°C. Which statement best describes what will happen if liquid water is added to the system?
(More liquid water molecules will change to water vapor until a new equilibrium is reached)
CO(H20)2* + 4CM + heat = CoCI,?- + 6H,0
Cobalt ions form complex ions with water and chloride. The Co(H20),2* ions are pink, and the CoCI,2-ions are blue. A scientist
creates a solution that is purple at equilibrium. How can the scientist make the solution more pink?
(by adding water h2O)
NaBr(s) = Na* (aq) + Br (aq)
A student adds hydrobromic acid (HBr) to a solution of sodium bromide at equilibrium. How does this change affect the system?
(The additional bromine ions cause the equilibrium to shift to the reactants)
A copper complex reacts with ammonia according to the following reaction, where the left side of the reaction is a pale sky-blue
color and the right side is dark blue
Cu(H,0)2* (ag) + 4NH,(8g) = Cu(NH3),2* (ag) + 4H;0(aq)
Which change to a solution at equilibrium will make the solution darker?
(removing water h2O)
Use the equation to answer the question.
H2O(l) + heat ⇄ H2O(g)
A sample of water is at equilibrium at 100°C. Which statement best describes what will happen if liquid water is added to the system?
(1 point)
All of the liquid water molecules that are added will become water vapor.
All of the liquid water molecules that are added will remain liquid water.
More liquid water molecules will change to water vapor until a new equilibrium is reached.
More water vapor molecules will change to liquid water until a new equilibrium is reached.
9 answers
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1. The rate of the forward reaction equals the rate of the reverse reaction.
2. More liquid water molecules will change to water vapor until a new equilibrium is reached.
3. by adding water (H2O)
4. The additional bromine ions cause the equilibrium to shift to the reactants.
5. removing water (H2O)
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2. More liquid water molecules will change to water vapor until a new equilibrium is reached.
3. by adding water (H2O)
4. The additional bromine ions cause the equilibrium to shift to the reactants.
5. removing water (H2O)
[quizlet: captncrun]
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1 answer