Kinetics Flashcards
1
Q
Units of k depending on order
A
Zero = mol dm-3 s-1
First = s-1
Second = mol-1 dm3 s-1 (Second means second is pos)
Third = mol-2 dm6 s-2
2
Q
Half life in terms of k
A
1 / k a ^ n-1
3
Q
Zero order reactions
A
Enzymes
Metals
Photochemical reactions
4
Q
What is a third order reaction
A
Gas phase oxidation of nitric oxide
5
Q
Psuedo first order reactions
A
When water is in excess
6
Q
Factors affecting rate of reaction
A
Conc of reactant
Surface area
Catalyst
7
Q
If Ea (f) > Ea (r) =
A
Endothermic
8
Q
For each ten degrees rise in temp
A
Rate of reaction doubles
(2^n)
9
Q
N2 (g) + 3H2 (g) —> 2NH3 (g)
What catalyst and type
A
Fe (s)
Heterogenous catalyst
10
Q
SO2 (g) + O2 (g) —> 2SO3 (g)
What catalyst and type
A
NO2 (g)
Homogenous catalyst
11
Q
SO2 (g) + O2 (g) —> 2SO3
What catalyst and type
A
V2O5 (g)
Contact method
