enthalpy change Flashcards
1
Q
exothermic reaction?
A
temp of surroundings increase
energy given out
reactants have more energy than products
enthalpy change NEGATIVE
2
Q
endothermic reaction?
A
temp of surroundings decrease
energy taken in by reaction
reactants have less energy than products
enthalpy change is POSITIVE
3
Q
Q= ?
A
m x c x change in T
4
Q
enthalpy change = ?
A
-Q/moles
5
Q
what does breaking bonds require
A
energy (endothermic)
6
Q
what does making bonds release
A
energy (exothermic)
7
Q
enthalpy change =?
A
break - make
