Give an example of a word equation, a formula equation, and a chemical equation.

Short Answer

Expert verified
Word Equation: Hydrogen + Oxygen --> Water. Formula Equation: H2 + O2 --> H2O. Chemical Equation: 2H2 + O2 --> 2H2O

Step by step solution

01

Word Equation

A word equation represents a chemical reaction by showing the names of the reactants and products. Word Equation: Hydrogen + Oxygen --> Water
02

Formula Equation

Formula equations represent chemical reactions by indicating the reactants and products through their chemical symbols or formulas. Here symbols and formulas are used instead of full names. Formula Equation: H2 + O2 --> H2O
03

Chemical Equation

A chemical equation represents a chemical reaction by not only showing the reactants and products through their chemical formulas, but also ensuring the equation is balanced, abiding by the law of conservation of mass. The balanced Chemical equation from the above formula equation: 2H2 + O2 --> 2H2O

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Most popular questions from this chapter

Write the symbol used in a chemical equation to represent each of the following: $$\begin{array}{l}{\text { a. an aqueous solution }} \\ {\text { b. heated }} \\\ {\text { c. a reversible reaction }} \\ {\text { d. a solid }} \\ {\text { e. at a temperature of } 25^{\circ} \mathrm{C}}\end{array}$$

Write an unbalanced formula equation for each of the following. Include symbols for physical states in the equation. $$\begin{array}{c}{\text { a. solid zinc sulfide + oxygen gas } \longrightarrow} \\ {\text { solid zinc oxide + sulfur dioxide gas }} \\\ {\text { b. aqueous hydrochloric acid + solid }} \\ {\text { magnesium hydroxide } \longrightarrow \text { aqueous }} \\ {\text { magnesium chloride + liquid water }}\end{array}$$

Write an unbalanced chemical equation for each of the following. $$\begin{array}{l}{\text { a. Aluminum reacts with oxygen to produce }} \\\ {\text { aluminum oxide. }} \\ {\text { b. Phosphoric acid, } \mathrm{H}_{3} \mathrm{PO}_{4} \text { , is produced }} \\ {\text { through the reaction between tetraphosphorus}} \\ {\text { decoxide and water. }}\end{array}$$

Write and balance each of the following equations, and then identify each equation by type. $$ \begin{array}{c}{\text { a. hydrogen }+\text { iodine } \rightarrow \text { hydrogen iodide }} \\ {\text { b. lithium + water } \longrightarrow} \\\ {\text { lithium hydroxide + hydrogen }} \\ {\text { c. mercury(II) oxide } \longrightarrow \text { mercury + oxygen }} \\ {\text { d. copper + chlorine } \rightarrow \text { copper(II) chloride }}\end{array} $$

Use the following terms to create a concept map: a synthesis reaction, a decomposition reaction, coefficients, a chemical reaction, and a chemical equation.

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