CH-1258
Exothermic and endothermic reactions
Chemistry · Secondary 4 · Easy · Exothermic and endothermic reactions
A student burns 2.0 mol of hydrogen gas in excess oxygen. The energy released when 1.0 mol of hydrogen burns is 250 kJ.
What is the total energy released in this reaction?
What is the total energy released in this reaction?
- 125 kJ
- 250 kJ
- 500 kJ
- 750 kJ
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