C. Rate and Extent of reactions Flashcards
1
Q
Define Reaction Rate
A
The change in concentration of reactants or products per unit time
2
Q
Which factors affect Rate of reaction
A
- Nature of the substances
- Surface area
- Concentration
- Pressure(gasses)
- Temperature
- Catalyst
3
Q
Define a Catalyst
A
A substance that increases the rate of a chemical reaction without itself undergoing a permanent change