3.3 Chemical energy Flashcards
1
Q
What is enthalpy a measure of?
A
Chemical energy in a substance
2
Q
What is enthalpy of combustion?
A
The enthalpy of combustion of a substance is the enthalpy change when one mole of the substance burns completely in oxygen
3
Q
What is molar bond enthalpy?
A
The molar bond enthalpy is the energy required to break one mole of bonds in a diatomic molecule.
4
Q
What can bond enthalpies be used to estimate?
A
Bond enthalpies can be used to estimate the enthalpy change occurring for a gas phase reaction