1
Q
rate- determining step definition
A
- slowest step in a multi-step reaction
- determines the overall step
2
Q
how can you tell if a reaction is first order ?
A
- a constant half life
3
Q
rate of reaction definition
A
- change in conc. / time
- moldm-3s-1
4
Q
half life definition
A
- time it takes for conc. of reactant to half
5
Q
how could you measure the initial rate from a conc./time graph?
A
- measure gradient of tangent
- at t=0
6
Q
if a higher temp was used, what is the effect of the rate and rate constant
A
- rate inc
- k inc
Chemistry Module 5
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