Question: (a) What enthalpy change do H2,H6 and H7 represent? (b) Calculate H5. (ANS : H5=+697L. (c) Calculate the first electron affinity if the second electron

(a) What enthalpy change do H2,H6 and H7 represent? (b) Calculate

(a) What enthalpy change do H2,H6 and H7 represent? (b) Calculate H5. (ANS : H5=+697L. (c) Calculate the first electron affinity if the second electron affinity of oxygen is +844kJm (ANS:EA1==147 (d) Would the value of H2 be larger or smaller for magnesium than it is for calcium? your

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