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What type of reaction is represented by the chemical equation Na2SO4(aq) + BaCl2(aq) → BaSO4(s) + 2NaCl(aq)?
What type of reaction is represented by the chemical equation Na2SO4(aq) + BaCl2(aq) → BaSO4(s) + 2NaCl(aq)?
Double displacement reaction
What is the compound precipitated when lead(II) nitrate and potassium iodide are mixed together?
What is the compound precipitated when lead(II) nitrate and potassium iodide are mixed together?
Lead(II) iodide
Write the balanced chemical equation for the reaction between lead(II) nitrate and potassium iodide.
Write the balanced chemical equation for the reaction between lead(II) nitrate and potassium iodide.
Pb(NO3)2(aq) + 2KI(aq) → PbI2(s) + 2KNO3(aq)
What is the black substance that forms when copper powder is heated in the presence of oxygen?
What is the black substance that forms when copper powder is heated in the presence of oxygen?
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What happens to the black coating of copper(II) oxide when hydrogen gas is passed over it?
What happens to the black coating of copper(II) oxide when hydrogen gas is passed over it?
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