APCHEM Kinetics Flashcards
(10 cards)
0
Q
First order reactions formula
A
ln(Ai)-ln(At)=kt
1
Q
Rate law formula
A
Rate=K(A)^x(B)^y(C)^z
2
Q
What must happen for an effective collision to occur?
A
Molecules must hit with sufficient energy and with correct orientation
3
Q
Describe the endothermic reaction profile
A
Reactants starts low and Products ends high
4
Q
Describe the exothermic reaction profile
A
Reactants start high and products end low
5
Q
As temperature increases, what happens to K and reaction rate?
A
they increase too
6
Q
Formula for half life
A
.693/K
7
Q
What is another term for K?
A
Rate constant
8
Q
Units for K
A
M/Time 1/Time 1/MxTime 1/M^2xTime (0123)
9
Q
- delta H means…
A
Exothermic