<Tr> <Th> Energy carriers </Th> <Td> <Ul> <Li> Enthalpy </Li> <Li> Fuel <Ul> <Li> fossil fuel </Li> </Ul> </Li> <Li> Heat </Li> <Li> Work </Li> <Li> Electricity </Li> <Li> Battery </Li> <Li> Capacitor </Li> </Ul> </Td> </Tr> <Ul> <Li> Enthalpy </Li> <Li> Fuel <Ul> <Li> fossil fuel </Li> </Ul> </Li> <Li> Heat </Li> <Li> Work </Li> <Li> Electricity </Li> <Li> Battery </Li> <Li> Capacitor </Li> </Ul> <Li> Fuel <Ul> <Li> fossil fuel </Li> </Ul> </Li> <Ul> <Li> fossil fuel </Li> </Ul>

Where is the energy in chemical compounds located