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Questions and Answers
Why do very small amounts of catalyst often suffice if the reaction is rapid and the catalyst recycles quickly?
Why do very small amounts of catalyst often suffice if the reaction is rapid and the catalyst recycles quickly?
What is a catalyst?
What is a catalyst?
In what way does a catalyst increase the rate of a chemical reaction?
In what way does a catalyst increase the rate of a chemical reaction?
What are enzymes and other biocatalysts considered as in the classification of catalysis?
What are enzymes and other biocatalysts considered as in the classification of catalysis?
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Why is the term 'catalyst' derived from the Greek word 'kataluein'?
Why is the term 'catalyst' derived from the Greek word 'kataluein'?
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Study Notes
Catalysts and Their Function
- Catalysts are substances that increase the rate of a chemical reaction without being consumed in the process.
- Small amounts of catalyst are effective due to their ability to lower the activation energy needed for reactions.
- In rapid reactions, catalysts can facilitate multiple reaction cycles quickly, making them economical in variations of the process.
Mechanism of Catalyst Action
- A catalyst increases reaction rates by providing an alternative reaction pathway with a lower activation energy.
- This allows more molecules to participate in the reaction at a given temperature, speeding up the overall process.
Types of Catalysts
- Enzymes and other biocatalysts fall under the category of biological catalysts. They often have high specificity and efficiency in facilitating biochemical reactions.
- Biocatalysts are crucial in various biological processes and are widely used in industrial applications for their effectiveness.
Origin of the Term 'Catalyst'
- The word 'catalyst' is derived from the Greek 'kataluein,' which means 'to dissolve' or 'to break down,' reflecting the role of these substances in facilitating or initiating reactions.
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Description
Test your knowledge of catalysis with this quiz! Explore the role of catalysts in increasing chemical reaction rates and learn about the factors that influence catalytic activity.
