Calculate delta h for the reaction from the thermochemical


When hydrazine (N2H4) reacts with nitrogen gas, hydrogen peroxide and the water are formed. Write down a balanced reaction and calculate delta H for the reaction from the following thermo chemical data.

H2 + O2 ==>H2O                    delta H= -187.8KJ

N2H4 + O2 ==> N2 +2H2O     delta H=-621.6 KJ

H2 + 0.5O2 ==>H2O               delta H= -285.8KJ

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Chemistry: Calculate delta h for the reaction from the thermochemical
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