How heat energy is obtained from chemical energy?
Heat energy is obtained from chemical energy by combustion, e.g. by burning a fuel such as coal, gas, kerosene, etc.
Heat energy is obtained from chemical energy by combustion, e.g. by burning a fuel such as coal, gas, kerosene, etc.
The principle of conservation of energy states that energy cannot be created or destroyed, i.e. in an isolated system, the total energy before transformation is equal to the total energy transformation.