1
Q
what are two ways energy moves in between the system and surrounding
A
heat and work
2
Q
delta H + is
A
endothermic
3
Q
delat H - is
A
exothermic
4
Q
what does energy change of a chemical system depend on
A
amount of substance involved and physical state
5
Q
what rxn is endothermic
A
surroundings get colder
6
Q
q water = -q metal is
A
first law of thermodynamics
