Thermochemistry Flashcards
1
Q
Kinetic Energy Eq
A
E(k) = .5mv^2
m=kg
v= m/s
Ek= J
2
Q
Coulombic Energy
A
E(el)= kQ1Q2/d
3
Q
What does K equal in potential energy?
A
8.99 x 10^9
4
Q
Coulombic Force
A
F=k(Q1)(Q2)/d^2
5
Q
Sign of Q when energy is absorbed
A
+
6
Q
Sign of Q when energy is released
A
-
7
Q
Sign of W when work is done on the system by surroundings
A
+
8
Q
Sign of W when work is done by the system on the surroundings
A
-
9
Q
Change in energy of a system =
A
q+w
10
Q
If open to atmosphere…
W=
A
-P(external) x (change in V)
11
Q
If at constant pressure…
W=
A
Change in n(RT)
