Cu2S + HNO3 -> Cu (NO3)2 + CuSO4 + NO2 + H2O balance this equation and write steps
Answers
Answer:
Explanation:
his is an oxidation-reduction (redox) reaction:
2 CuI - 2 e- → 2 CuII (oxidation)
S-II - 8 e- → SVI (oxidation)
10 NV + 10 e- → 10 NIV (reduction)
Cu2S is a reducing agent, Cu2S is a reducing agent, HNO3 is an oxidizing agent.
Reactants:
Cu2S – Copper(I) Sulphide source: wikipedia, accessed: 2019-09-27
Other names: Copper(I) sulfide source: wikipedia, accessed: 2019-09-27, Cuprous sulfide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Chalcocite source: wikipedia, accessed: 2019-09-27
HNO3 – Nitric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
Other names: Aqua fortis source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02, Spirit of niter source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Eau forte source: wikipedia, accessed: 2019-09-27
Appearance: Colorless, yellow or red fuming liquid source: wikipedia, accessed: 2019-09-27; Colourless-to-yellow liquid with pungent odour source: ICSC, accessed: 2019-09-04; 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.] source: NIOSH NPG, accessed: 2019-09-02
Products:
Cu(NO3)2 – Copper(II) nitrate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
Other names: Cupric nitrate source: wikipedia, accessed: 2019-09-27, Nitrato de cobre (II) source: wikidata, accessed: 2019-09-02, Нитрат меди (II) (безводный) source: wikidata, accessed: 2019-09-02
Appearance: Blue crystals | hygroscopic source: wikipedia, accessed: 2019-09-27
CuSO4 – Copper(II) sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
Other names: Cupric sulphate source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Blue vitriol (pentahydrate) source: wikipedia, accessed: 2019-09-27, Bluestone (pentahydrate) source: wikipedia, accessed: 2019-09-27
Appearance: Gray-white (anhydrous) | blue (pentahydrate) source: wikipedia, accessed: 2019-09-27; White hygroscopic crystals source: ICSC, accessed: 2019-09-04
NO2 – Nitrogen dioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
Other names: Nitrogen(IV) oxide source: wikipedia, accessed: 2019-09-27, Deutoxide of nitrogen source: wikipedia, accessed: 2019-09-27, Nitrogen peroxide source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
Appearance: Brown gas source: wikipedia, accessed: 2019-09-27; Reddish-brown gas or brown or yellow liquid with pungent odour source: ICSC, accessed: 2019-09-04; Yellowish-brown liquid or reddish-brown gas (above 70°F) with a pungent, acrid odor. [Note: In solid form (below 15°F) it is found structurally as N2O4.] source: NIOSH NPG, accessed: 2019-09-02
H2O – Water, oxidane source: wikipedia, accessed: 2019-09-27
Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27
Answer:its 12 HNO3, 10NO2, 6H2O
Explanation: It balances out.