Thermochemical Definitions Flashcards
1
Q
Standard enthalpy of comubstion
A
Energy change when 1 mole of a substance is burnt completely in oxygen with all reactants and products in standard states
2
Q
Enthalpy of fusion
A
Energy required to change 1 mole of pure substance from solid to liquid at its melting point and 1 atmospheric pressure
3
Q
Equation for enthalpy of fusion
A
X(s) –> X(l)
4
Q
Enthalpy of vapourisation
A
Energy required to change 1 mole of pure substance from liquid to gas at its boiling point and 1 atmospheric pressure
5
Q
Equation for enthalpy of vapourisation
A
Energy required to change 1 mole of pure substance from solid to gas at 1 atmospheric pressure
