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Chemical Equations Quiz
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Chemical Equations Quiz

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@GlamorousCommonsense

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Questions and Answers

In a chemical equation, where are the reactant entities typically placed?

  • On the right-hand side
  • On the left-hand side (correct)
  • Above the arrow symbol
  • On both sides

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

  • Number of moles involved
  • Molar masses of the substances
  • Absolute values of the stoichiometric numbers (correct)
  • Atomic numbers of the elements

    • Who diagrammed the first chemical equation?

  • Antoine Lavoisier
  • Jean Beguin (correct)
  • Dmitri Mendeleev
  • Marie Curie

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

    <p>By a plus sign</p> Signup and view all the answers

    What does the arrow in a chemical equation represent?

    <p>The direction of the reaction</p> Signup and view all the answers

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