chemical energetics Flashcards
(4 cards)
1
Q
exothermic
A
releases heat, surroundings are hot, change in enthalpy is negative
2
Q
endothermic
A
absorbs heat, surroundings cold, change in enthalpy is positive
3
Q
bond enthalpy
A
amount of energy required to break one mole of bonds in a gaseous state
4
Q
enthalpy
A
how much heat is absorbed or released in reaction. KJ/mol
