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Chapter 14
Chemical Equilibrium
| Question | Answer |
|---|---|
| Which of the following statements are FALSE? | K>>1 implies that the reaction is very fast at producing products. |
| Give the direction of the reaction, if K>>1. | The forward reaction is favored. |
| Give the direction of the reaction, if K<<1. | The reverse reaction is favored |
| Give the direction of the reaction, if K~1 | Neither direction is favored |
| Dynamic equilibrium occurs | when the rate of the forward reaction equals the rate of the reverse reaction |
| In a reaction mixture containing only reactants, what is the value of Q? | 0 |
| In a reaction mixture containing only products, what is the value of Q? | infinity |
| In a reaction mixture containing reactant and products, each at a concentration of 1M, what is the value of Q? | 1 |
| If Q=K | it means the reaction is at equilibrium |
| If Q>K | it means the reverse reaction will proceed to form more reactants |
| If Q | it means the forward reaction wil proceed to form more products |
| Identitfy the change that will always shift the eqilibrium to the right | decrease volume |
| Reaction favors formation of more products | Q |
| Reaction is at equilibrium | Q=K |
| Reverse reaction is favored | K<<1 |
| Reaction does not strongly favor reactant or products | K~1 |
| Reaction will favor formation of reactants | Q>K |
| Reaction has a larger amount of products than reactants | Q>>1 |
| Define Le Chatelier's Principle | states that when a chemical system at equilibrium is disturbed, the system shirts in a direction that minimizes the disturbance |
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