Chemistry · May / June 2020 · Paper 21 · Question 3
5070
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The equation for the decomposition of hydrogen peroxide is shown. 2H2O2 2H2O + O2 A sample containing 1.00 mol of hydrogen peroxide is completely decomposed. This sample releases 98.0 kJ of heat energy.
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3(a)[2]
3(b)[2]
3(c)[2]
3(d)[2]
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