Reaction 1: Elemental copper reacts with aqueous nitric acid to produce copper(II) nitrate, nitrogen dioxide gas, and hydrogen oxide(is this water?). • Reaction 2: Copper(II)nitrate reacts with sodium hydroxide to form copper(II) hydroxide and sodium nitrate. Copper(II) hydroxide is a blue, gel like solid. • Reaction 3: Copper(II) hydroxide decomposes upon exposure to heat to yield cupric oxide and water. Cupric oxide is a black solid. • Reaction 4: Copper(II) oxide reacts with sulfuric acid to produce cupric sulfate and hydrogen oxide. Cupric sulfate is light blue when aqueous. • Reaction 5: Cupric sulfate reacts with elemental aluminum to create aluminum sulfate and elemental copper. Cupric sulfate dissolves in water to produce a blue solution due to the formation of the hydrated copper(II) cation.
Please identify whether each reaction is a decomposition, hydrogen displacement, double displacement, halogen displacement, or metal displacement. Please explain why.
• Reaction 1: Elemental copper reacts with aqueous nitric acid to produce copper(II) nitrate, nitrogen dioxide gas, and hydrogen oxide(is this water?).
• Reaction 2: Copper(II)nitrate reacts with sodium hydroxide to form copper(II) hydroxide and sodium nitrate. Copper(II) hydroxide is a blue, gel like solid.
• Reaction 3: Copper(II) hydroxide decomposes upon exposure to heat to yield cupric oxide and water. Cupric oxide is a black solid.
• Reaction 4: Copper(II) oxide reacts with sulfuric acid to produce cupric sulfate and hydrogen oxide. Cupric sulfate is light blue when aqueous.
• Reaction 5: Cupric sulfate reacts with elemental aluminum to create aluminum sulfate and elemental copper. Cupric sulfate dissolves in water to produce a blue solution due to the formation of the hydrated copper(II) cation.
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