Directions: Read the paragraph below and then respond to the questions. Hydrogen peroxide is a liquid that breaks down and releases bubbles of oxygen gas. By adding a catalyst, this chemical reaction occurs faster and is completed more quickly. Patty uses a hydrogen peroxide product with a catalyst to clean her contact lenses every night, and she has to wait until morming for the bubbles to stop forming so she knows the reaction is finished. Patty wants to design an experiment to determine the effect of changing the amount of a catalyst on how fast this reaction occurs. Patty obtains a 500mL bottle of hydrogen peroxide and 25 grams of the catalyst. 1) What should be the independent variable in Patty's experiment?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Directions: Read the paragraph below and then respond to the questions.
Hydrogen peroxide is a liquid that breaks down and releases bubbles of
oxygen gas. By adding a catalyst, this chemical reaction occurs faster
and is completed more quickly. Patty uses a hydrogen peroxide product
with a catalyst to clean her contact lenses every night, and she has to
wait until morning for the bubbles to stop forming so she knows the
reaction is finished. Patty wants to design an experiment to determine
2
the effect of changing the amount of a catalyst on how fast this reaction
occurs. Patty obtains a 500mL bottle of hydrogen peroxide and 25 grams
of the catalyst.
3
14
15
16
17
1) What should be the independent variable in Patty's experiment?
18
19
8Sheet1
Transcribed Image Text:Directions: Read the paragraph below and then respond to the questions. Hydrogen peroxide is a liquid that breaks down and releases bubbles of oxygen gas. By adding a catalyst, this chemical reaction occurs faster and is completed more quickly. Patty uses a hydrogen peroxide product with a catalyst to clean her contact lenses every night, and she has to wait until morning for the bubbles to stop forming so she knows the reaction is finished. Patty wants to design an experiment to determine 2 the effect of changing the amount of a catalyst on how fast this reaction occurs. Patty obtains a 500mL bottle of hydrogen peroxide and 25 grams of the catalyst. 3 14 15 16 17 1) What should be the independent variable in Patty's experiment? 18 19 8Sheet1
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