Dimethylhydrazine with oxygen provides more energy per gram

Reference no: EM13334036

Hydrazine and 1,1 dimethylhydrazine both react spontaneously with O2 and can be used as rocket fuels. N2H4(l) + O2(g) ? N2(g) + 2 H2O(g) (Hydrazine) N2H2(CH3)2(l) + 4 O2(g) ? 2 CO2(g) + 4 H2O(G) + N2(g) (1,1 dimethylhydrazine ) The molar enthalpy of formation of N2H4(l) is +50.6kJ/mol, and that of N2H2(CH3)2(l) is +48.9 kJ/mol. Use these values, with other ?fH° values, to decide whether the reaction of hydrazine or 1,1 dimethylhydrazine with oxygen provides more energy per gram.

Reference no: EM13334036

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