How much heat is stored inside an iceberg?

None. The definition of “heat” in thermodynamics is the transfer of energy between two systems as a result of a temperature difference. The idea of heat as something that is tangible or something that can be stored failed in the successful attempts to make thermodynamics into objective science. read more

The idea of heat as something that is tangible or something that can be stored failed in the successful attempts to make thermodynamics into objective science. You more likely want to know how much energy is stored in an iceberg. read more

Objects can store heat because the atoms and molecules inside them are jostling around and bumping into one another like people in a crowd. This idea is called the kinetic theory of matter, because it describes heat as a kind of kinetic energy stored by the atoms and molecules from which materials are made. read more