Activity 7.2 Balance the reactions below using the change in oxidation number method. 1. PbO2 + HBr → 2. PbO + NH3 3. KBr + KC1O, + H2SO4 → Br, + KCl + K½SO4 + H2O PbBr, + O, + H,O Pb + N2 + H,O
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.
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