21 Use Hess's Law to calculate the enthalpy change for the reaction: Wo3(s)+3H2(g)-W(s)+3H20(g) Eqn 1: 2W(s)302(g)...

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Answer 1

Answer #1

As we know that,if forward reaction is exothermic reaction then reverse reaction is endothermic reaction.

Hence from equation 1, 2wo3(s)----> 2w(s)+3o2(g),dH=1685.4 KJ/mol

Answer 2

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