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 Form 4 Energy Changes in Chemical and Physical Processes Questions and Answers

(a) What is meant by molar heat of solution?
(b) The lattice energy of sodium bromide and hydration energies of sodium and bromide ions are: 733,406 and 335 #kJmol^-1# respectively.
(i) Complete the energy cycle diagram below by inserting the values of #Delta#H1, #Delta#H2 and #Delta#H3
figenergy27420201633.JPG
(ii) Determine the molar heat of solution of solid sodium bromide.

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