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Why is the enthalpy of hydration of a chloride ion more negative than that of a bromide ion, using your knowledge of the attractive forces involved.
Arrange the following elements in order of increasing ionization energy. Give an explanation. a) K, Cs, Na b) F, N, Be
What is the standard enthalpy change of formation and how does it differ from the standard enthalpy change of reaction?
Explain why the enthalpy of lattice dissociation of potassium oxide is less endothermic than that of sodium oxide. ( 2 Marks)
If we burn 3 moles of carbon in air (as per the equation), what mass (in grams) of carbon dioxide will be produced? What volume will this gas occupy at standard temperature and pressure?
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