Ba + H2SO4 → BaSO4 + H2 – Balanced equation

Or you want a quick look:

This is an oxidation-reduction (redox) reaction:

2 HI + 2 e- 2 H (reduction)

Ba - 2 e- BaII (oxidation)

H2SO4 is an oxidizing agent, Ba is a reducing agent.

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Reactants:

  • Ba
    • Names: Barium , Ba , Element 56
    • Appearance: Yellowish-to-white lustrous solid in various forms
  • 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.]

Products:

  • BaSO4
    • Names: Barium sulfate , Artificial barite , Barite
    • Appearance: White crystalline ; Odourless tasteless white or yellowish crystals or powder ; White or yellowish, odorless powder.
  • H2
    • Names: Dihydrogen , Hydrogen , H2
    • Appearance: Odourless colourless compressed gas
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