A Level CHEMISTRY 9701/11/O/N/20 Q7


7 .An energy cycle is drawn for the following reaction.The standard enthalpy of formation of BrF3(l) = –301 kJ mol–1. The enthalpy change of BrF3(l) to BrF3(g) is +44kJ mol–1. What is the average bond energy of the Br–F bond in BrF3?

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