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Questions and Answers
What do coefficients next to the symbols and formulas of entities represent in a chemical equation?
What do coefficients next to the symbols and formulas of entities represent in a chemical equation?
- Number of moles of the substance
- Molar concentration of the substance
- Atomic mass of the substance
- Absolute values of stoichiometric numbers (correct)
In a chemical equation, where are the reactant entities typically placed?
In a chemical equation, where are the reactant entities typically placed?
- Below the arrow symbol
- On the left-hand side (correct)
- On the right-hand side
- Above the arrow symbol
Who diagrammed the first chemical equation?
Who diagrammed the first chemical equation?
- Jean Beguin (correct)
- Dmitri Mendeleev
- Marie Curie
- Antoine Lavoisier
How are multiple substances on any side of a chemical equation separated?
How are multiple substances on any side of a chemical equation separated?
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What does the arrow in a chemical equation indicate?
What does the arrow in a chemical equation indicate?
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What is the main property of an acidic solution formed by acid salt?
What is the main property of an acidic solution formed by acid salt?
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What is the result of the reaction between an acid salt and water molecules?
What is the result of the reaction between an acid salt and water molecules?
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Which compound is commonly used as an acidic salt in leavening agents for food?
Which compound is commonly used as an acidic salt in leavening agents for food?
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What role do acid salts play in creating baking powders?
What role do acid salts play in creating baking powders?
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When does a half-neutralization occur in the formation of an acidic solution?
When does a half-neutralization occur in the formation of an acidic solution?
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