Chemistry - Topic 13 Energetics 2 0.0 / 5 ? ChemistryEnergeticsA2/A-levelEdexcel Created by: _kate_maeCreated on: 05-01-23 20:15 Lattice energy is a measure of Bond strength 1 of 15 The energy change when 1mole of an ionic solid is formed from its gaseous ions under std conditions Std lattice energy 2 of 15 Higher the cation charge, the more energy is …when the lattice forms Released 3 of 15 Smaller ionic radii the more …. The lattice energy Exothermic 4 of 15 We use …cycles to calculate lattice cycles Born-Haber 5 of 15 A bigger charge on the cation results in a bigger …power Polarising 6 of 15 The smaller the cation the …polarising More 7 of 15 The ability to attract bonding electrons in a covalent bond Electronegative 8 of 15 The enthalpy change when 1mole of gaseous ions dissolve in water Hydration 9 of 15 The enthalpy change when 1mole of solute dissolves in water Solution 10 of 15 Greater charge and smaller ions = ….enthalpy of hydration Greater 11 of 15 The disorder/measure of how many ways particles can be arranged and the energy distributed Entropy 12 of 15 More disorder = …energetically stable More 13 of 15 Gibbs free energy tells you whether a reaction is … or not Feasible 14 of 15 Positive Gibbs, small values for equilibrium constants (<1)= Not feasible 15 of 15
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