http://www.ck12.org Chapter 3. Chemical Interactions
FIGURE 3.44
Vocabulary
- catalyst: Substance that increases the rate of a chemical reaction but is not changed or used up in the reaction.
Explore More
At the following URL, watch the video showing a chemical reaction both with and without a catalyst. Then answer
the questions below.
http://www.youtube.com/watch?v=GSCJ2EYkRqQ
MEDIA
Click image to the left for use the URL below.
URL: http://www.ck12.org/flx/render/embeddedobject/82348- Write the chemical equation for the reaction that is demonstrated in the video.
- What chemical is used to catalyze the reaction?
- Describe two observations that provide evidence that the reaction has occurred after the addition of the catalyst.
Review
- What is a catalyst?
- How does a catalyst speed up a chemical reaction?
- What are enzymes? Why are they important?