definitions lol Flashcards
1
Q
heat
A
form of energy that describes the amount of energy flown/transferred between substances, systems, or surroundings due to temperature difference
2
Q
isolated system
A
neither energy nor matter can move in or out of the system
3
Q
hess’ law
A
the enthalpy change for a reaction is the sum of the enthalpy change for the individual steps of the reaction
4
Q
first law of thermodynamics
A
energy can change forms but cannt be created nor destroyed