CH-1891
The mole
Chemistry · Secondary 4 · Easy · The mole
A student burns 2.0 g of hydrogen completely in oxygen. The molar mass of hydrogen gas is 2.0 g mol. The energy released when 1 mole of hydrogen burns is 520 kJ. What is the energy released in this experiment?
- 130 kJ
- 260 kJ
- 520 kJ
- 1040 kJ
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