The combustion of hydrogen follows equation (1) 2H2(g) + O2-> 2H2O . delta H for this reaction is -285.8 kj. how many grams of hydrogen must be burned to provide enough heat to raise the temeprature of 850 ml of water from 35.0 C to 82.0 C. IS THE REACTION EXOTHERMIC ?

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Irving HeathcoteLv2

12 Apr 2019

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