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Questions and Answers
What is the purpose of chemical equations in representing chemical reactions?
What is the purpose of chemical equations in representing chemical reactions?
- To provide a detailed explanation of the reaction mechanism
- To show the stoichiometry of the reaction (correct)
- To illustrate the temperature changes during the reaction
- To represent the isotopes involved in the reaction
Who is credited with formulating chemical equations first?
Who is credited with formulating chemical equations first?
- Antoine Lavoisier
- Marie Curie
- Jean Beguin (correct)
- Dmitri Mendeleev
What do we call the initial substances in a chemical reaction?
What do we call the initial substances in a chemical reaction?
- Reactants (correct)
- Intermediates
- Products
- Catalysts
What symbol is used in chemical equations to represent a state of chemical equilibrium?
What symbol is used in chemical equations to represent a state of chemical equilibrium?
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In a chemical equation, what does the symbol '→' indicate?
In a chemical equation, what does the symbol '→' indicate?
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What is a concise way of representing a chemical reaction?
What is a concise way of representing a chemical reaction?
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Which term refers to the final substances formed in a chemical reaction?
Which term refers to the final substances formed in a chemical reaction?
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What can separate the reactants and products in a chemical equation?
What can separate the reactants and products in a chemical equation?
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'2H2+O2→2H2O' represents a chemical reaction. What does '2H2' signify in this equation?
'2H2+O2→2H2O' represents a chemical reaction. What does '2H2' signify in this equation?
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'2Na(s) + Cl2 → 2NaCl(s)' is an example of which type of reaction?
'2Na(s) + Cl2 → 2NaCl(s)' is an example of which type of reaction?
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