18.1 Orders, Rate Equations & Rate Constants Flashcards
1
Q
Rate equation
A
Rate = change in concentration / change in time
2
Q
Rate units
A
Mol dm-3 s-1
3
Q
Shorthand for concentration
A
[A] - concentration of A
4
Q
Relationship between rate of reaction and concentration of a reactant
A
Rate is proportional to the concentration of a particular reactant raised to a power
5
Q
What is order of reaction?
A
The power for the reactant concentration in relation to rate
6
Q
Zero order
A
Concentration of a reactant has no effect on the rate
7
Q
First order
A
If concentration of A is doubled, reaction rate increases by factor of 2^1 = 2
If concentration of A if tripled, reaction rate increases by higher factor of 3^1 = 3
