Unit 6 Flashcards
1
Q
Endo
A
absorbs energy
2
Q
exo
A
releases energy
3
Q
units on /\H
A
kj/mol
4
Q
when its thermal equilibrium….
A
same kinetic energy
5
Q
thermal equilibrium is reached as…
A
particles collide
6
Q
heat transfer
A
changes from hot to cold via. collisions
7
Q
system
A
what we are observing/ experimenting
8
Q
surrondings
A
everything else
9
Q
enthalpy /\ H
A
heat absorbed or released
10
Q
kinetic energy
A
energy in motion of particles
-dependent on mass and temp (K)
11
Q
is + or - /\H favorable?
A
negative
12
Q
-/\H is exo or endo?
A
exothermic
13
Q
+/\H is exo or endo?
A
endothermic
14
Q
energy diagrams determine /\H by…
A
finish vs start
15
Q
gas - liquid - solid
A
exo -/\H
