What name should be used for the ionic compound ga2(so4)3

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.