NACE CP3 Chpt 1. Mechanisms of Corrosion - Study guides, Class notes & Summaries
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Exam (elaborations)
NACE CP3 - Chpt 1. Mechanisms of Corrosion Questions & Answers Solved 100% Correct!!
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---3November 20252025/2026A+
- Nerst Equation - CORRECT ANSWER-A metal electrode potential is a function of the 
metal ion activity, which is related to metal ion concentration. 
As metal ion concentration increases (M^n+) the potential becomes more 
electropositive. 
At 1 molar solution of metal ions. 
Em = ....... ln(a^Mn+/a^Mo) 
Cathode Reaction - CORRECT ANSWER-Reduction Reaction 
Anode Reaction - CORRECT ANSWER-Oxidation Reaction 
SHE to CSE - CORRECT ANSWER-+316 mV 
SHE to SSC (SJ) - CORRECT ANSWER-+256 mV 
SHE to ZRE -...
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ACADEMICMATERIALS
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Exam (elaborations)
NACE CP3 - Chpt 1. Mechanisms of Corrosion Exam study guides Questions With 100% Correct Answers (2024 / 2025) (Verified by Experts)
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--3March 20242023/2024A+Available in bundle
- Corrosion Zone - ANSWER Fe0 -> Fe++ + 2e- (soluble - reaction can keep 
occuring) 
Immunity to Passive - ANSWER Fe0 + 2H2O -> Fe(OH)3 + 2H+ + 2e- (insoluble - 
builds up at the interface) 
Corrosion to Passive - ANSWER Fe++ + 3H2O -> Fe(OH)3 +3H+ + 1eMore Active (+ or -) - ANSWER Electronegative - Less Noble 
Less Active (+ or -) - ANSWER Electropositive - More Noble
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firstclassachieverstuvia
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Exam (elaborations)
NACE CP3 - Chpt 1. Mechanisms of Corrosion Exam study guides Questions With 100% Correct Answers (2024 / 2025) (Verified by Experts)
-
---3March 20242023/2024A+
- Corrosion Zone - ANSWER Fe0 -> Fe++ + 2e- (soluble - reaction can keep occuring) 
 
Immunity to Passive - ANSWER Fe0 + 2H2O -> Fe(OH)3 + 2H+ + 2e- (insoluble - builds up at the interface) 
 
Corrosion to Passive - ANSWER Fe++ + 3H2O -> Fe(OH)3 +3H+ + 1e- 
 
More Active (+ or -) - ANSWER Electronegative - Less Noble
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easypasstuvia