4.8 Energy and reversible reactions Flashcards
1
Q
Why must blue copper sulphate be heated continuously to change it into anhydrous copper sulphate?
A
It is an endothermic reaction
2
Q
Why does adding water to anhydrous copper sulphate cause the mixture to get hot?
A
It is an exothermic reaction
3
Q
What does anhydrous mean?
A
It describes a substance that does not contain water.
4
Q
What does hydrated mean?
A
It describes a substance that does contain water in its crystals.