Available energy in thermodymanics is the amount of energy in the system that can actaully do something, or cause change. Random, evenly distributed heat is not available energy, as it cannot be used. But if a system is hotter in one place than another, a heat pump could be used to produce useful energy until the system reached equilibrium - the same temperature everywhere.
by Shwetha Shetty6 years ago
Do you agree that heat flows from higher body to lower body temperature?Please give an example.
by How?7 years ago
If energy can neither be created nor it can be destroyed, then why do we face energy crisis?
by janesix4 years ago
"in all energy exchanges, if no energy enters or leaves the system, the potential energy of the state will always be less than that of the initial state." What does that mean, really?How is it possible to even...
by Iznogoud3 years ago
Why does friction produce heat?
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