Energy rich substances are those that required a lot of energy to make them.
The cgs unit of work is the erg, since work is energy. To use this, charges must be in esu electrostatic units. Note that even highly polar but still covalent bonds e. Argonne National Laboratory, Division of Educational Programs, Harold Myron, Ph.
In biology, energy is supplied by the reaction of complex species. State C includes hypothetical S6g, which has no strain. Similarly, heat is given out by the system during an exothermic process. Several energy units come up frequently in chemistry; it is important to know how they are related. Depending on context, it can mean any of the first four types of energy above. On the other hand all spontaneous reactions will have a negative G.
Severance of the terminal phosphate group requires energy. However, this is a relatively small effect suggesting that bonding electrons are localized between the bonding atoms. From reaction C-3, products state D have lower energy than reactants state C by 594 kJ.
Since states B, C, and D are all below state A on the diagram, their energies must be lower; to be lower than 0, they must be negative. Yes, but also involved is the fact that water molecules don't bond very well with air molecules.