Chemical Reactions and Equations

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10 Questions

What is the purpose of writing the notation (aq) in a chemical equation?

To indicate that the reactant or product is present as a solution in water

Why are physical states not usually included in a chemical equation?

Because they are not necessary to specify the reaction

What is the symbol used to indicate that water is used in the form of steam in a chemical reaction?

(g)

What is the purpose of including reaction conditions in a chemical equation?

To specify the temperature and pressure at which the reaction takes place

What is the purpose of balancing a chemical equation?

To ensure that the number of atoms of each element is the same on both the reactant and product sides

What is the notation used to indicate that a reactant or product is present in its solid state?

(s)

What is the purpose of including state symbols in a chemical equation?

To specify the physical state of the reactants and products

Why is it necessary to specify the physical state of water in a chemical equation?

Because it can be present in different physical states

What is the notation used to indicate that a reactant or product is present in its gaseous state?

(g)

Why is it important to balance a chemical equation?

Because it ensures that the number of atoms of each element is the same on both the reactant and product sides

Understanding chemical reactions, equations and the law of conservation of mass. Learn about skeletal chemical equations and balanced chemical equations.

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