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Explaining Enthalpy differences

Last updated over 2 years ago

5 Nsɛmmisa

Akwankyerɛ

Make sure you use all the correct key terminology.

2

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1.

Define lattice enthalpy of formation

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2.

For each pair of compounds, predict which will have the lattice enthalp of greatest magnitude, and explain why . LiF and NaF?

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3.

For each pair of compounds, predict which will have the lattice enthalp of greatest magnitude, and explain why . CaO or MgO ?

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4.

For each pair of compounds, predict which will have the lattice enthalp of greatest magnitude, and explain why . NaCl or MgCl₂

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5.

The enthalpy of hydration of magnesium and sodium ions are -1920 and -406 kJmol^-1 respectively. Explain why the enthalpy of hydration of Mg²⁺ has a greater magnitude than that of Na⁺