What is a substance that speeds up a chemical reaction?
Understand the Problem
The question is asking for a definition of a substance that accelerates the rate of a chemical reaction. This typically relates to the concept of catalysts in chemistry.
Answer
catalyst
The substance that speeds up a chemical reaction is called a catalyst.
Answer for screen readers
The substance that speeds up a chemical reaction is called a catalyst.
More Information
A catalyst lowers the activation energy required for a reaction to occur, thus speeding up the reaction without being consumed in the process.
Tips
A common mistake is to think that a catalyst is consumed by the reaction; however, it remains unchanged after the reaction.
Sources
- DOE Explains Catalysts - energy.gov
- What substance speeds up a chemical reaction? - homework.study.com
- Catalyst | Examples, Definition, & Facts - britannica.com
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