bond energies Flashcards
1
Q
bond breaking is an _______ reaction because
A
endothermic reaction,
energy must be supplied to existing bonds
2
Q
bond forming is a _______ reaction because
A
exothermic
energy is released
3
Q
total change for enthalpy for a reaction can be calculated if we know
A
the bond energies of all the species involved
4
Q
enthalpy change calculation
A
energy taken in - energy given out