Chemistry, 13.02.2022 06:10 1234Shutthedoor
An engineer attaches a piece of silver to the iron storage tank in an attempt to supply the tank with cathodic protection.
a. Which has a higher reduction potential — silver or iron?
b. Which is the anode in this cell?
c. Which is the cathode in this cell?
d. Does attaching a piece of silver provide the iron storage tank with cathodic protection? Explain why or why not.
e. Name two metals that would provide the iron storage tank with cathodic protection.
Answers: 3
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Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
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An engineer attaches a piece of silver to the iron storage tank in an attempt to supply the tank wit...
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