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Questions and Answers
What is the purpose of the arrow in a chemical equation?
What is the purpose of the arrow in a chemical equation?
- To indicate a reversible reaction
- To separate reactants and products
- To highlight the most important substance
- To show the direction of the reaction (correct)
What do the coefficients next to the symbols and formulas of entities represent in a chemical equation?
What do the coefficients next to the symbols and formulas of entities represent in a chemical equation?
- Molar masses of the substances
- Absolute values of the stoichiometric numbers (correct)
- Atomic numbers of the elements
- Number of moles involved in the reaction
How are multiple substances separated on any side of a chemical equation?
How are multiple substances separated on any side of a chemical equation?
- By a plus sign (correct)
- By a division sign
- By an equal sign
- By a multiplication sign
What does a stoichiometric coefficient specify in a chemical equation?
What does a stoichiometric coefficient specify in a chemical equation?
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Who diagrammed the first chemical equation in 1615?
Who diagrammed the first chemical equation in 1615?
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