Podcast
Questions and Answers
What is a chemical equation?
What is a chemical equation?
- A long way of expressing chemical change in terms of symbols and formulas
- A symbolic representation of a chemical reaction (correct)
- A diagram representing a chemical reaction
- A way of representing physical changes
Where are the formulas of the reactants placed in a chemical equation?
Where are the formulas of the reactants placed in a chemical equation?
- Before the arrow
- On the left side (correct)
- On the right side
- After the arrow
What separates individual reactant and product formulas in a chemical equation?
What separates individual reactant and product formulas in a chemical equation?
- Equal signs (=)
- Arrow (⟶)
- Hyphens (-)
- Plus signs (+) (correct)
What do coefficients represent in a chemical equation?
What do coefficients represent in a chemical equation?
What is omitted when the coefficient is 1 in a chemical equation?
What is omitted when the coefficient is 1 in a chemical equation?
In a chemical equation, what are the substances generated by the reaction called?
In a chemical equation, what are the substances generated by the reaction called?
What symbol is used to separate two or more reactants or products in a chemical equation?
What symbol is used to separate two or more reactants or products in a chemical equation?
What does the symbol '∆' mean in the context of writing an equation?
What does the symbol '∆' mean in the context of writing an equation?
What is the purpose of balancing chemical equations?
What is the purpose of balancing chemical equations?
According to the law of conservation of mass, what should be equal in a chemical reaction?
According to the law of conservation of mass, what should be equal in a chemical reaction?
What do coefficients represent in a chemical equation?
What do coefficients represent in a chemical equation?
What type of chemical reaction involves the direct union of substances?
What type of chemical reaction involves the direct union of substances?
In a reversible reaction, which symbol indicates that the reaction can proceed in either direction?
In a reversible reaction, which symbol indicates that the reaction can proceed in either direction?
What does 'NR' mean in the context of writing a chemical equation?
What does 'NR' mean in the context of writing a chemical equation?
What type of chemical reaction involves the breaking down of a compound into simpler substances?
What type of chemical reaction involves the breaking down of a compound into simpler substances?
Which term refers to the left side of a chemical equation where the formulas of the reactants are placed?
Which term refers to the left side of a chemical equation where the formulas of the reactants are placed?
What type of chemical reaction involves the exchange of positive ions between two compounds?
What type of chemical reaction involves the exchange of positive ions between two compounds?
In a chemical equation, what does the coefficient 2 in front of a formula represent?
In a chemical equation, what does the coefficient 2 in front of a formula represent?
Which symbol is used to indicate that heat is supplied to initiate or drive a chemical reaction?
Which symbol is used to indicate that heat is supplied to initiate or drive a chemical reaction?
What is the purpose of including state symbols in a chemical equation, such as (s), (l), and (g)?
What is the purpose of including state symbols in a chemical equation, such as (s), (l), and (g)?
What does 'NR' represent in the context of writing a chemical equation?
What does 'NR' represent in the context of writing a chemical equation?
What does the symbol '∆' mean in the context of writing an equation?
What does the symbol '∆' mean in the context of writing an equation?
In a reversible reaction, which symbol indicates that the reaction can proceed in either direction?
In a reversible reaction, which symbol indicates that the reaction can proceed in either direction?
According to the law of conservation of mass, what should be equal in a chemical reaction?
According to the law of conservation of mass, what should be equal in a chemical reaction?
What separates individual reactant and product formulas in a chemical equation?
What separates individual reactant and product formulas in a chemical equation?
What is omitted when the coefficient is 1 in a chemical equation?
What is omitted when the coefficient is 1 in a chemical equation?
What type of chemical reaction involves the breaking down of a compound into simpler substances?
What type of chemical reaction involves the breaking down of a compound into simpler substances?
In a chemical equation, what are the substances generated by the reaction called?
In a chemical equation, what are the substances generated by the reaction called?
What do coefficients represent in a chemical equation?
What do coefficients represent in a chemical equation?
Where are the formulas of the reactants placed in a chemical equation?
Where are the formulas of the reactants placed in a chemical equation?
What symbol is used to separate two or more reactants or products in a chemical equation?
What symbol is used to separate two or more reactants or products in a chemical equation?
