2 interactive labs · AS & A Level Chemistry 9701
· Build the cycle for an ionic solid step by step, then use Hess’s law to find the lattice energy, ΔHf or an electron affinity.
Build the cycle for an ionic solid step by step, then use Hess’s law to find the lattice energy, ΔHf or an electron affinity.
You will be able to
· Predict the sign of ΔS, calculate it from standard entropies, then vary T, ΔH and ΔS to find where ΔG = ΔH − TΔS changes sign.
Predict the sign of ΔS, calculate it from standard entropies, then vary T, ΔH and ΔS to find where ΔG = ΔH − TΔS changes sign.
You will be able to