Grade 11 Chemistry: Word Equations

Grade 11 Chemistry: Word Equations

Read each question carefully and follow the instructions. Write out the full word equation for each reaction, and where indicated, balance the chemical equation. Show all your work for short answer questions.

Complete the following word equations. Write the names of the products for each reaction.

1. Magnesium + Oxygen →  

2. Sodium + Chlorine →  

3. Iron + Oxygen →  

4. Hydrogen + Oxygen →  

Write the complete word equation for each of the following chemical reactions.

1. Solid zinc reacts with aqueous hydrochloric acid to produce aqueous zinc chloride and hydrogen gas.

2. When methane gas (CH₄) burns in the presence of oxygen, carbon dioxide gas and water vapor are produced.

3. Aqueous solutions of silver nitrate and sodium chloride react to form solid silver chloride and aqueous sodium nitrate.

Indicate whether each statement is True (T) or False (F).

1. In a word equation, reactants are written on the right side of the arrow.

2. The arrow in a word equation means 'yields' or 'produces'.

3. Word equations must always be balanced to satisfy the Law of Conservation of Mass.

Choose the best answer for each question.

1. Which of the following is a reactant in the word equation: 'Iron + Sulfur → Iron(II) sulfide'?

2. What symbol is used in a word equation to separate multiple reactants or products?

Write the chemical formula for each substance and then balance the following word equations.

1. Nitrogen gas + Hydrogen gas → Ammonia gas

2. Aluminum solid + Oxygen gas → Aluminum oxide solid

3. Potassium chlorate solid → Potassium chloride solid + Oxygen gas

4. Calcium hydroxide aqueous + Hydrochloric acid aqueous → Calcium chloride aqueous + Water liquid

Observe the image below, which depicts a thermite reaction. Write a word equation that describes the chemical change occurring.

Word Equation: