Chemical Equations Quiz
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Questions and Answers

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

  • To emphasize the importance of the products
  • To separate reactants and products
  • To show the direction of the reaction (correct)
  • To indicate a reversible reaction

    • What do coefficients next to symbols and formulas in a chemical equation represent?

  • Absolute values of stoichiometric numbers (correct)
  • Molar mass of the substances
  • Temperature at which reaction occurs
  • Rate of the reaction

    • How are multiple substances separated on any side of a chemical equation?

  • By a plus sign (correct)
  • By an equal sign
  • By a multiplication sign
  • By a division sign

    • What does the stoichiometric coefficient specify?

    <p>Number of entities involved in the reaction on a molecular basis</p> Signup and view all the answers

    Who diagrammed the first chemical equation?

    <p>Jean Beguin in 1615</p> Signup and view all the answers

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