Reversible Reactions and Equilibrium Quiz
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5 questions, one answer each
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1. What symbol is used to represent a reversible reaction?
- A. →
- B. ⇌
- C. =
- D.
2. In dynamic equilibrium, what is true about the forward and reverse reactions?
- A. Both have stopped
- B. Only the forward reaction is happening
- C. They occur at exactly the same rate
- D. The reverse reaction is faster
3. A reversible reaction releases 60 kJ in the forward direction. What happens in the reverse direction?
- A. It releases 60 kJ as well
- B. It absorbs 60 kJ
- C. It absorbs 120 kJ
- D. No energy is transferred
4. For dynamic equilibrium to be reached, what condition must the system be in?
- A. An open system
- B. A closed system
- C. A system at high temperature only
- D. A system with a catalyst present
5. (HT) According to Le Chatelier's Principle, what happens when a system at equilibrium experiences a change in conditions?
- A. The system moves further in the direction of the change
- B. The system shifts to counteract the change
- C. The reaction stops completely
- D. Nothing happens to the equilibrium position