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Chemical Equations Quiz
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Chemical Equations Quiz

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@WellManagedBlack

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Questions and Answers

What is the purpose of the arrow in a chemical equation?

  • To indicate a reversible reaction
  • To separate reactants and products
  • To show the direction of the reaction (correct)
  • To balance the equation
  • What do the coefficients next to the symbols and formulas in a chemical equation represent?

  • Atomic mass of the substance
  • Absolute values of stoichiometric numbers (correct)
  • Number of atoms in the substance
  • Electron configuration of the substance
  • When was the first chemical equation diagrammed?

  • 1800
  • 1550
  • 1750
  • 1615 (correct)
  • What type of formulas may be used in a chemical equation?

    <p>Symbolic, structural, or intermixed</p> Signup and view all the answers

    What are the entities given on the left-hand side of a chemical equation?

    <p>Reactants</p> Signup and view all the answers

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