1.

Which oxidizing agent, O_2, O_3 or H_2O_2 ,will generate the greatest amount of energy for 1 mole of H_2(g)?(i) 2H_2(g) + O_2(g) to2H_2O(g),Delta H=- 483.6 kJ(ii) 3H_2(g) + O_2(g)to3H_2O(g), DeltaH =-868.2 kJ(iii) H_2(g) + H_2O_2(g)to2H_2O(g), Delta H =- 347.3 kJWhich of the above given reactions will generate the greatest amount of energy on a total mass basis of reactants that may be used in rocket propulsion?

Answer»

Solution :` H_2(G) + H_2O_2(g)to2H_2O(g), Delta H =- 347.3 KJ`
`3H_2(g) + O_2(g)to3H_2O(g), DELTAH =-868.2 kJ `


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