How much energy is released when terminal bond of ATP breaks down/

The fission properties of "_94^239Pu are very similar to those of "_92^235U . The average energy released per fission is 180 MeV. How much energy, in MeV, is released if all the atoms in 1 kg of pure "_94^239 Pu undergo fission?

A capacitor is charged through a potential difference of 200 V, when 0.1 C charge is stored in it. How much energy will it release, when it is discharged?

Energy of an electron in the nth orbit hydrogen atom is given by E_n = - (13.6)/(n^2) eV How much energy is required to take an electron from the ground state to the first excited state?

Stearic acid [CH_(3)(CH_(2))_(16)CO_(2)H] is a fatty acid the part of fat that stores most of the energy .1.0 g of Stearic acid was burnt in a bomb calorimeter . The bomb had capacity of 652 J//^(@)C . If the temperature of 500 g water rose from 25.0 to 39.3^(@)C how much heat is released when the stearic acid was burned? ["Given "C_(p)(H_(2)O)=4.18J//g^(@)c]