Reaction Rates

1
Reaction Rates
r ?C / ? t
Where r reaction rate ?C change in
concentration ?t elapsed time
http//www.chm.davidson.edu/ChemistryApplets/kinet
ics/ReactionRates.html
2
Ways of Measuring Reaction Rate

• Measure the volume and/or
• pressure of a gas.

2. Measure changes in conductivity for a
reaction that produces ions.
3
3. Measure changes in the absorbance of a
colored reactant or product with a
spectrophotometer.
4. Measure changes in pH with a pH meter.