enthalpy Flashcards
1
Q
enthalpy change
A
reactants-products
2
Q
is enthalpy change of vaporisation endothermic or exothermic
A
endothermic as energy is required to overcome London forces
3
Q
average bond enthalpy
A
average enthalpy change when one mole of bonds is broken
4
Q
formation
A
one mole of compound fromed from its elemnts
5
Q
combustijn
A
one mole of compound competely combusted in o2
6
Q
neutralisation
A
acid and alkali react to porduce one mole of water
