WORKED OUT EXA EXAMPLE 19 Calculate AH for the reaction CH g 4F g CF g 4HF g Given that the enthalpies of formation of CH CF and

Question

WORKED OUT EXA EXAMPLE 19 Calculate AH for the reaction CH g 4F g CF g 4HF g Given that the enthalpies of formation of CH CF and HF are 75 kJ 680 kJ and 269 kJ respectively SOLUTION YAH Reactants

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