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(c) Calculate the change in enthalpy (AH) for the following reaction and comment on the significance of the result obtained. [AH (P-P) = 209 kJ

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(c) Calculate the change in enthalpy (AH) for the following reaction and comment on the significance of the result obtained. [AH (P-P) = 209 kJ mol-'; AH (P=P) = 490 kJ mol-l] [4 marks] P4(g) 2 P2(g)

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