Question

What is heat of hydrogenation and heat of combustions?

Answer 1

Answer:

combustion it is the chemicals process in which a substance combine with oxygen to produce heat and light energy is called combustion

Answer 2

Note that for heats of combustion, the organic compound is a starting material for the reaction. Heat of hydrogenation, DHho. Defined to be the heat released upon the addition of H2 to one mole of a compound (e.g. an alkene or alkyne) to generate the corresponding alkane.