Consider the reaction that occurs when copper is added to nitric acid. mc024-1.jpg what is the reducing agent in this reaction? cu no3– cu(no3)2 no2

This question requires understanding of oxidation states and differentiating between a reducing agent and an oxidizing agent. An oxidizing agent gains electrons and is reduced, which means the oxidation number decreases. A reducing agent loses electrons and is oxidized, which means an increase in oxidation state.

In the equation,

Cu in the solid state has 0 charge but in it loses 2 electrons to become ion with a +2 charge, while nitrate gains electrons to become nitrite ,  -2 charge. Therefore we can conclude that Cu is the reducing agent.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

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