Chapter 18 - Rates of reaction Flashcards
1
Q
Define rate of reaction
A
A measure of how quickly a reactant is used up / a product is formed
2
Q
Define half-life
A
The time taken for the concentration of a reactant to half
2
Q
Define half-life
A
The time taken for the concentration of a reactant to half
3
Q
Define rate determining step
A
Slowest step of a reaction which determines the rate
4
Q
What does the concentration-time graph for ____ look like?
1. Zero order
2. First order
3. Second order
A
- A straight negative line, crossing the y-axis
- A downwards curve
- A steeper downwards curve
5
Q
How to calculate K from the half-life?
(equation)
A
K = Ln2 / t
