1Which statement is true of the internal energy of a system and its surroundings during an energy exchange with a negative ΔEsys?
The internal energy of the system decreases and the internal energy of the surroundings increases.
2What does q equal?
q = (mass) x (Cs) x (ΔT)
3What does w equal?
w = -pΔV
4What does Delta E equal?
ΔE = q+w
5What is Delta E?
Internal energy change
6What does Delta H equal?
∆H = q/moles(n)
7Explain endothermic process
Endothermic takes in energy from surroundings
8Explain exothermic process
Exothermic releases energy into the surroundings
9Is the process of forming bonds positive or negative?
Negative
10Is the Delta H of a endothermic process positive or negative?
Positive
11Is the Delta H of a exothermic process positive or negative?
Negative