For each of the following reactions, write the chemical...

For each of the following reactions, write the chemical formulas of the reactants and product and balance the equations: (a) sodium + sulfur $\rightarrow$ sodium sulfide (b) calcium + bromine $\rightarrow$ calcium bromide (c) barium + oxygen $\rightarrow$ barium oxide (d) sulfur dioxide $+$ oxygen $\rightarrow$ sulfur trioxide (e) magnesium + nitrogen $\rightarrow$ magnesium nitride

For each of the following reactions, write the chemical formulas of the reactants and product and balance the equations:
(a) sodium + sulfur $\rightarrow$ sodium sulfide
(b) calcium + bromine $\rightarrow$ calcium bromide
(c) barium + oxygen $\rightarrow$ barium oxide
(d) sulfur dioxide $+$ oxygen $\rightarrow$ sulfur trioxide
(e) magnesium + nitrogen $\rightarrow$ magnesium nitride

Key Concepts

Synthesis Reactions

Synthesis reactions are a class of chemical reactions where two or more reactants combine to form a single product. These reactions are fundamental in chemistry because they illustrate how elements and compounds can combine to form more complex structures, and they often require careful analysis of reactant combinations and product formation when writing and balancing chemical equations.

Balancing Chemical Equations

Balancing chemical equations is the process of ensuring that the number of each type of atom is equal on both sides of the reaction. This process is guided by the Law of Conservation of Mass, which states that matter cannot be created or destroyed in a chemical reaction. A balanced equation accurately reflects the stoichiometry of the reaction and is essential for quantitative calculations.

Chemical Formulas

Chemical formulas are a way to represent the elements in a compound using their symbols and appropriate subscripts to denote the number of atoms. They provide a concise way to show the composition of a substance and are derived from the periodic table and knowledge of chemical bonding, including ionic and covalent interactions.

Stoichiometry

Stoichiometry is the quantitative study of the relationships between the amounts of reactants and products in a chemical reaction. By using the mole concept and balanced equations, stoichiometry allows chemists to calculate yields, determine limiting reactants, and predict the quantities of substances consumed or produced in a reaction.

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