Question
Question: The amount of energy released in burning 1 kg of coal is:...
The amount of energy released in burning 1 kg of coal is:
A
3 MJ
B
30 MJ
C
300 MJ
D
3000 MJ
Answer
30 MJ
Explanation
Solution
When 1 kg of coal is burnt the energy released is 30 MJ (=3×107 J).