Chemical Equations Quiz
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Questions and Answers

What does a chemical equation represent?

  • The coefficients next to the symbols and formulas
  • The starting substances on the left-hand side
  • The absolute values of the stoichiometric numbers
  • The substances formed in the chemical reaction on the right-hand side (correct)

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

  • The stoichiometric coefficients
  • The products
  • The intermixed chemical formulas
  • The starting substances (reactants) (correct)

What does the arrow symbol in a chemical equation indicate?

  • The stoichiometric coefficients
  • The products
  • The absolute values of the stoichiometric numbers
  • The direction of the reaction (correct)

What are the coefficients next to the symbols and formulas in a chemical equation?

<p>Numbers representing the molecular basis of each substance (B)</p> Signup and view all the answers

When were the first chemical equations diagrammed?

<p>1615 by Jean Beguin (C)</p> Signup and view all the answers

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