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Generic graph showing the effect of a catalyst in an hypothetical exothermic chemical reaction. Notice that the catalysed (red) pathway, despite having a lower activation energy, produces the same final result. |
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There are 10 summaries on Catalysis.
Encyclopedia and Summary Information
summary from source:
 Catalysts Summary
2,600 words, approx. 9 pages
 A catalyst is a substance whose presence increases the rate of a chemical reaction. The exercise of using catalysts is called catalysis. Today the vast majority of all commercially important chemical reactions involve catalysts, especially in the... summary from source:
 Catalyst and Catalysis Summary
1,491 words, approx. 5 pages
 A catalyst increases the rate of a particular reaction without itself being used up. A catalyst can be added to a reaction and then be recovered and reused after the reaction occurs. The process or action by which a catalyst increases the reaction rate... summary from source:
 Catalyst and Catalysis Summary
755 words, approx. 3 pages
Catalysts are elements or compounds that increase the speed of a chemical reaction without actually being used up in the reaction. Humans have used the process known as catalysis long before they understood the mechanics behind it. Some examples... summary from source:
 Catalysis Summary
187 words, approx. 1 pages
Modification (usually acceleration) of a chemical reaction rate by addition of a catalyst, which combines with the reactants but is ultimately regenerated so that its amount remains unchanged and the chemical equilibrium of the conditions of the... summary from source:
Catalyst Summary
165 words, approx. 1 pages
Any substance of which a small proportion notably affects the reaction rate of a chemical reaction without itself being changed or consumed (&see; catalysis). One molecule may transform several million reactant molecules a minute. Catalysts may be... summary from source:
 Catalyst Summary
55 words, approx. 0 pages
A CATALYST is a chemical that is able to exert an effect on physiological processes without itself being changed; catalysis is the process of doing this; to catalyse is to engage in catalysis. An ENZYME can be a catalyst of chemical reactions; for... summary from source:
Catalyst Summary
32 words, approx. 0 pages
A substance that speeds up the rate of a particular chemical reaction but that does not itself alter the ultimate yield of the reaction or itself be consumed in the... summary from source:
Catalyst Summary
26 words, approx. 0 pages
A substance which can change the rate of a chemical reaction and can be recovered in the original form at the end of the... summary from source:
Catalyst Summary
18 words, approx. 0 pages
A substance that increases the rate of chemical reaction without undergoing a permanent change in its... summary from source:
 Catalysis Summary
2,231 words, approx. 7 pages
In chemistry and biology, catalysis is the acceleration (increase in rate) of a chemical reaction by means of a substance called a catalyst, which is itself not consumed by the overall reaction. More generally, one may at times call anything that... 
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