Catalysts (HSC SSCE Chemistry): Flashcards
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Practise the cards
10 cards from this deck
Catalysts' role in reactions
Catalysts' role in reactions
Speed up reactions without being consumed
How catalysts increase reaction rates
How catalysts increase reaction rates
Provide pathway with lower activation energy
Homogeneous catalysis phase
Homogeneous catalysis phase
Same phase as reactants
Heterogeneous catalysis phase
Heterogeneous catalysis phase
Different phase from reactants
Three steps of heterogeneous catalysis
Three steps of heterogeneous catalysis
Adsorption, Reaction, Desorption
Adsorption in catalysis
Adsorption in catalysis
Reactants attach to catalyst surface
Desorption in catalysis
Desorption in catalysis
Products detach from catalyst surface
Metals in car catalytic converters
Metals in car catalytic converters
Rhodium and platinum
What enzymes are
What enzymes are
Biological catalysts (proteins)
Enzyme specificity
Enzyme specificity
Each catalyses only one particular reaction