Chemistry

Chemistry Level 3

If 100 mole of H X 2 O X 2 \ce{H2O2} decompose at 1 bar and 300K, the work done (kJ) by one mole of O2(g) as it expands against 1 bar pressure is 2 H X 2 O X 2 ( l ) 2 H X 2 O ( l ) + O X 2 ( g ) \ce{2H2O2} \ (l) \ce{-> 2H2O} \ (l) \ce{+ O2} \ (g)

(R=8.3JK)

498.00 124.50 62.25 249.00

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