why is the enthalpy of formation of an element zero
Standard enthalpy of formation All elements in their standard states (oxygen gas, solid carbon in the form of graphite, etc.) have a standard enthalpy of formation of zero, as there is no change involved in their formation.
Corona Spectroscopy measurements indicate strong ionization and plasma temperature in excess of 1,000,000 kelvins,[1] much hotter than the surface of the Sun.
Economic nationalism While the coining of the term "
Alonso Álvarez de Pineda