S + 6 HNO3 → H2SO4 + 6 NO2 + 2 H2O – Balanced equation

Or you want a quick look:

This is an oxidation-reduction (redox) reaction:

S - 6 e- SVI (oxidation)

6 NV + 6 e- 6 NIV (reduction)

S is a reducing agent, HNO3 is an oxidizing agent.

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Reactants:

  • S
    • Names: Sulfur , S , Sulphur
    • Appearance: Yellow solid in various forms
  • HNO3Nitric acid
    • Other names: Aqua fortis , Spirit of niter , Eau forte
    • 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.]

Products:

  • H2SO4Sulfuric acid
    • Other names: Oil of vitriol , Sulfuric acid, concentrated (> 51% and , H2SO4
    • Appearance: Clear, colorless liquid ; Odourless colourless oily hygroscopic liquid ; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.]
  • NO2Nitrogen dioxide
    • Other names: Nitrogen(IV) oxide , Deutoxide of nitrogen , Nitrogen peroxide
    • Appearance: Brown gas ; Reddish-brown gas or brown or yellow liquid with pungent odour ; 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.]
  • H2OWater, oxidane
    • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas
READ  2 NaOH + Cl2 → NaCl + NaClO + H2O – Ausgeglichene Gleichung
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