5 Questions
What does a chemical equation represent?
A chemical reaction using symbols and formulas
Where are the reactant entities placed in a chemical equation?
Left-hand side
Who diagrammed the first chemical equation?
Jean Beguin
What do coefficients next to symbols and formulas represent in a chemical equation?
Absolute values of stoichiometric numbers
How are multiple substances on any side of a chemical equation separated?
By a plus sign
Study Notes
Chemical Equations
- A chemical equation represents a chemical reaction, depicting the reactants, products, and direction of the reaction.
- Reactant entities are placed on the left-hand side of the equation.
- The first chemical equation was diagrammed by Jean Beguin, a French chemist, in 1615.
- Coefficients next to symbols and formulas in a chemical equation represent the mole ratio of the reactants and products, indicating the relative amount of each substance required or produced.
- Multiple substances on any side of a chemical equation are separated by a plus sign (+).
Test your knowledge of chemical equations with this quiz that covers the symbolic representation, reactants, products, and balancing of chemical reactions.
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