CH-1233
Exothermic and endothermic reactions
Chemistry · Secondary 4 · Medium · Exothermic and endothermic reactions
Hydrogen peroxide decomposes according to the equation . The enthalpy change for this reaction is −196 kJ for 2 mol of . What is the enthalpy change when 0.50 mol of decomposes?
- −392 kJ
- −98 kJ
- −49 kJ
- +49 kJ
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