10 HNO3 + 4 Cu → 3 H2O + 4 Cu(NO3)2 + NH4NO3

Reactants:

• HNO3 – Nitric acid
  • Other names: Aqua fortis , Spirit of niter , Eau forte ... show moreHydrogen nitrate , Acidum nitricum , Nitric acid (> 70% in water) , Fuming nitric acid , Engravers acid , HONO2 , Red fuming nitric acid , RFNA , White fuming nitric acid (WFNA) show less
  • Appearance: Colorless, yellow or red fuming liquid ; Colourless-to-yellow liquid with pungent odour ; Colorless, yellow, or red, fuming liquid with an acrid, suffocating odor. [Note: Often used in an aqueous solution. Fuming nitric acid is concentrated nitric acid that contains dissolved nitrogen dioxide.]
• Cu
  • Names: Copper , Copper (dusts and mists, as Cu) , Cu ... show moreCU-7 , Tatum-T , Paragard T 380A , Element 29 , Cuprum , Copper metal dusts , Copper metal fumes show less
  • Appearance: Solid in various forms. turns green on exposure to moist air ; Reddish, lustrous, malleable, odorless solid.

Products:

• H2O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas
• Cu(NO3)2 – Copper(II) nitrate
  • Other names: Cupric nitrate , Nitrato de cobre (II) , Нитрат меди (II) (безводный) ... show moreНитрат меди(II) (anh.) , Cu (NO3)2 , Динитрат меди , Азотная кислота, соль меди(2+) , Нитрат меди , Нитрат меди(2+) show less
  • Appearance: Blue crystals | hygroscopic
• NH4NO3 – Ammonium nitrate
  • Other names: Nitric acid, ammonium salt
  • Appearance: White/grey solid ; Colourless-to-white hygroscopic solid in various forms