BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) MnO2 + CrO3 → Mn + CrO4 - CONTENT SHOULD BE THESE OXIDIZED REDUCED BASIC SOLUTION CHECKING 1 3) Al P+ Al V oxidize reducing Oxidized: A AL- E Al 2e AL+
Science behind corrosion-test
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Corrosion
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
FOLLOW THE METHOD FROM THE OTHER PHOTO PLEASE
![BALANCE REDOX REACTION
(USE THE LONG METHOD WITH
CHECKINGS)
MnO₂ + CrO3¯¯ → Mn + CrO4¯¯
CONTENT SHOULD BE THESE
OXIDIZED
REDUCED
BASIC SOLUTION
CHECKING
2+
3) AI + NO₂ → A1²+ + ND ₂
+4 -4 =0
↑
+42
+2
+5-2
Al + NO ₂ → A1²+ + NO₂
+5+₂=1
↑
oxidized, reduced, oridizing agent
reducing agent
oxidized:
A1→ 41²+ + 2₂
+2-2=0
ducking AI:1
#:4
U2
0:6
AL: 1 141:1
0
Al212e
2e + 4H+ + 2NO → 2ND ₂ + 2H₂P
2
AL + 2 + 4H+ + 2NO₂ → A1 ²+ + ²√²+ 2NO₂ + 2H₂O
| Al + 4H+ + 2 NO ₂² -> A1 ²+ + 2ND ₂ + 2H₂O Balanted in acidic solution
+4-2=+2
BASIC SOLUTION
Al: T
H÷4
N÷2
0216=8
V=2
-2
0:4+2=6
+2
Reduced:
et 2H+ + NO₂ → NO ₂ + H₂D
V: 1
N = 1
0.83
H: 2
O
Date :
0:3
H.2
+2 H-EO
#:4
0² 4+4=8
N÷2
+2-4 = -2v
2e
2 (e¯ + 2H+ + NO₂¯ →→ NO ₂ + H₂O)
2e + 4H+ + 2ND₂ → 2NO₂ + 2H₂O
AL + 4H+ + 2NO3 → A1 ²+ + 2NO₂ + 2H₂O
Al + 4H+ + 40H- + 2 NO ₂- → AF²+ + 2NO₂ + 2H₂0 + 40H-
Al + ₂ + 2 N0₂- →
A1 ²+ + 2NO₂ + 2H₂Q + 40H-
Al + 2 H₂O + 2NO3 → A1²+ + 2NO₂ + 40H - Balanced in basic solution
checking
VICTORY](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcf34056e-45da-433f-9367-d42b5e6c5544%2Fcd1bfd7c-c6d6-4adc-b09d-641935691bb4%2Ffvgsw2k_processed.png&w=3840&q=75)
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