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6 marksEnergetics

CAPE Chemistry Unit 1 · 2011 · Paper 2 · Question 4(c)(ii)

Construct a diagram of a well-labelled Born-Haber cycle showing the formation of magnesium oxide (MgO) from magnesium metal and oxygen gas. On your diagram, show clearly ALL the enthalpy changes and species involved in the process.

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Other parts of this question

  1. 4(a)State the FOUR basic assumptions of the kinetic theory with reference to an ideal gas.[4 marks]
  2. 4(b)Calculate the relative molecular mass of Z.[3 marks]
  3. 4(c)(i)State Hess's Law.[2 marks]

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