5.6.2.2 energy change and reversible reactions

Question 1

If a reversible reaction is exothermic in one direction it is..

Answer 1

endothermic in the opposite direction

Question 2

If a reversible reaction is endothermic in one direction it is…

Answer 2

exothermic in the opposite direction

Question 3

Is different amounts of energy transferred or the same amount of energy in each case?

Answer 3

the same.

Question 4

State an example of a reversible reaction in exothermic/endothermic terms.

Answer 4

Hydrated copper sulphate (blue)
Endothermic/exothermic
Anhydrous copper sulphate (white)
+water