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Questions and Answers
Which side of a chemical equation shows the reactant entities?
Which side of a chemical equation shows the reactant entities?
- Right-hand side
- Top side
- Bottom side
- Left-hand side (correct)
What is the purpose of the arrow in a chemical equation?
What is the purpose of the arrow in a chemical equation?
- To show the chemical formulas
- To indicate the stoichiometric numbers
- To separate reactants and products
- To show the direction of the reaction (correct)
What are the coefficients in a chemical equation?
What are the coefficients in a chemical equation?
- The absolute values of the stoichiometric numbers (correct)
- The chemical formulas
- The product entities
- The reactant entities
What is a chemical equation?
What is a chemical equation?
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What is the function of the coefficients in a chemical equation?
What is the function of the coefficients in a chemical equation?
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Who created the first chemical equation?
Who created the first chemical equation?
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Study Notes
Chemical Equations
- The left side of a chemical equation shows the reactant entities.
The Arrow in a Chemical Equation
- The arrow in a chemical equation indicates the direction of the reaction, symbolizing that the reactants are converted to products.
Coefficients in a Chemical Equation
- Coefficients in a chemical equation are small whole numbers that indicate the relative amounts of reactants and products.
Definition of a Chemical Equation
- A chemical equation is a symbolic representation of a chemical reaction, using chemical formulas and symbols to describe the reactants, products, and direction of the reaction.
Function of Coefficients
- The function of coefficients in a chemical equation is to balance the equation, ensuring that the number of atoms of each element is the same on both the reactant and product sides.
History of Chemical Equations
- The invention of the first chemical equation is attributed to French chemist Jean-Baptiste Dumas in the early 19th century.
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