function of each of the following materials in the preparation of the agar media.

Chemistry
10th Edition
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Does anybody have answers to this, I really don't know how to answer this since our teacher just gave us that but didn't give us any instructions. Please help me with this.

B. Preparation of Agar
1. Give the function of each of the following materials in the preparation of the agar media.
a. Sodium chloride
b. Agar
c. Phenolphthalein solution
d. Potassium ferricyanide solution
е. Agar
E. Types of Corrosion
1. What does the color patches signify? Represent with balance equations, the reactions that
produced the different colors.
2. On the circle provided, draw the observed color developed on the different iron nails.
Indicate the position of the color patches observed. Label the type of nails properly.
Scenario A. Straight nail and bent
a. What kind of corrosion exhibited the bent nail?
nail
Transcribed Image Text:B. Preparation of Agar 1. Give the function of each of the following materials in the preparation of the agar media. a. Sodium chloride b. Agar c. Phenolphthalein solution d. Potassium ferricyanide solution е. Agar E. Types of Corrosion 1. What does the color patches signify? Represent with balance equations, the reactions that produced the different colors. 2. On the circle provided, draw the observed color developed on the different iron nails. Indicate the position of the color patches observed. Label the type of nails properly. Scenario A. Straight nail and bent a. What kind of corrosion exhibited the bent nail? nail
b.What happens to the structure of the nail when
it is bent? How is this related to corrosion
Scenario B. Nail hammered at the c. What type of corrosion is demonstrated here?
middle and nail heated until red hot
then cooled
d. What happens to structure of metals when
they are heated and how is this related to
corrosion?
Scenario C. Nail wrapped with Cu, e. What type of corrosion was shown in this
Al and Sn
experiment?
Transcribed Image Text:b.What happens to the structure of the nail when it is bent? How is this related to corrosion Scenario B. Nail hammered at the c. What type of corrosion is demonstrated here? middle and nail heated until red hot then cooled d. What happens to structure of metals when they are heated and how is this related to corrosion? Scenario C. Nail wrapped with Cu, e. What type of corrosion was shown in this Al and Sn experiment?
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