Calculating and explaining energy change Flashcards
1
Q
What type of energy is released by hydrogen fuel cells? [1]
A
electrical
2
Q
Suggest two reasons why the UK government might encourage the building of more hydrogen filling stations. [2]
A
- using hydrogen saves petrol / diesel / crude oil
- using hydrogen does not cause pollution
3
Q
The reaction is exothermic. Explain why, in terms of bonds broken and bonds formed. [2]
A
energy released when bonds form is greater than energy used when bonds get broken
