Exam 3 ch 14 catalyst Flashcards
(4 cards)
1
Q
Catalyst
A
-Substance that increases the rate of a reaction without being consumed
-Allows lower temps. enzymes, catalytic converters
-Not in overall reaction, can be in rate law if slow step
2
Q
How do catalysts work
A
-Provides a different mechanism with a lower activation energy by which a reaction can occur
3
Q
Homogenous catalyst
A
Same phase as reactants
4
Q
Heterogenous catalyst
A
Different phase than reactants
