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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
6
PLEASE PROVIDE THE INTERPRETATION OF ALL SAMPLES FOR HELPFUL RATINGS. THANK YOU.
*INCLUDE ALL YOUR REFERENCES
Transcribed Image Text:Materias:
Test tubes
Hydrogen peroxide (3% solution)
Assorted living tissue: siced raw potato, ground meat, liver, ground young leaves
Assorted non-living material: piece of baked potato, cooked meat, cooked iver, Boiled leaves
Open with
Procedure
Catalase
1. Fill each labelled test tube (A- H) approsimately 3 mi with fresh hydrogen peroxide.
2. Add a small amount of material to be tested.
3. Perform three trials of each sample at different temperature (10°C, 37C and SoC)
3. Note whether ar not bubbies are prodced and the rate of reaction (time Masimum of 10 minutes)
Test tube A
Test bube
Test tube C
Test tube D
Test tube E
Test hube F
Test tube G
Test tube H
Fresh
Leaves
Fresh
Ground
Ground
Bolled
Boled Meat
Boiled Liver
Boled Leaves
Potato
Meat
Liver
Potato
Results
Sample
Expected Resut
Actual Result
Rate of reaction
Interpretation
(Time - secondsl
37C
so'c
A.
Positive Negative
10t
Bubbles
11
15
Positive
Negative
10c
37°C
11
Positive
Negative
10°c
37C
so'c
10
D.
Positive
Negative
10°c
37C
soc
10
13
Positive Negative
10°c
so'c
F.
Potve
Negative
10°c
so°c
356
G.
Positive
Negative
10°c
325
Negative
10°c
soc
H.
Positive
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