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Considering the given chemical reaction as NH3(g) + Cl2(g) → NH2Cl(g) + HCl(g) compute the ΔH for this reaction and express your answer in kilojoules if the given . Bond Energies (kJ/mol)  are N-Cl 201 , Cl-Cl 243 , N-H 389 ,H-Cl 431 

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