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C6: Quiz 6 – Answers
C6: Quiz 6 – Answers
1)
a) A reversible reaction means that a reaction can go in both directions
b) ⇌
2)
a) A dynamic equilibrium is where there are the same number of forwards and backwards reactions taking place. This results in the quantities/ concentrations of all of the substances remaining constant/ the same
b) closed system/ sealed container
c) Yes – reactions are still taking place
3) Exothermic. The energy change for the backwards reaction will be the opposite to the energy change of the forwards reaction; the forwards reaction is endothermic so the backwards reaction will be exothermic
a) A reversible reaction means that a reaction can go in both directions
b) ⇌
2)
a) A dynamic equilibrium is where there are the same number of forwards and backwards reactions taking place. This results in the quantities/ concentrations of all of the substances remaining constant/ the same
b) closed system/ sealed container
c) Yes – reactions are still taking place
3) Exothermic. The energy change for the backwards reaction will be the opposite to the energy change of the forwards reaction; the forwards reaction is endothermic so the backwards reaction will be exothermic
Questions
1)
a) What does a reversible reaction mean?
b) Write down the symbol for a reversible reaction.
2)
a) What is a dynamic equilibrium?
b) Fill in the gap in the following sentence; a dynamic equilibrium can only occur in a __________ __________?
c) Are reactions still taking place at a dynamic equilibrium; yes or no?
3) We have the reversible reaction below.
1)
a) What does a reversible reaction mean?
b) Write down the symbol for a reversible reaction.
2)
a) What is a dynamic equilibrium?
b) Fill in the gap in the following sentence; a dynamic equilibrium can only occur in a __________ __________?
c) Are reactions still taking place at a dynamic equilibrium; yes or no?
3) We have the reversible reaction below.
The forwards reaction is an endothermic reaction. Will the backwards reaction be endothermic or exothermic? Explain how you get your answer.