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H2 + Cl2 rarr 2HCl , DeltaH1, N2 + 3H2 r...

`H_2 + Cl_2 rarr 2HCl , DeltaH_1, N_2 + 3H_2 rarr 2NH_3, DeltaH_2 and NH_3 + 3Cl_2 rarr NCl_3 + 3HCI, DeltaH_3`. Then calculate the heat of formation of nitrogen trichloride. 

Text Solution

Verified by Experts

The correct Answer is:
`DeltaH2 + DeltaH_2//2 - 3DeltaH-1//2`
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