CK-12 Chemistry Concepts - Intermediate
Answer Key
Chapter 11: Chemical Reactions
11.1 Word Equations
Review
Questions
1. Write the generic form of a chemical reaction.
2. What are reactants?
3. What are products?
Answers
1. Reactants โ Products.
2. The starting materials for the chemical reaction.
3. The materials formed by the chemical reaction.
11.2 Writing Chemical Equations
Review
Questions
1. What does a skeleton equation tell you?
2. Why would you want to know the physical state of materials in a chemical
reaction?
3. In a chemical reaction what does symbol โ mean?
4. If I see ฮ over the arrow, what does this indicate?
Answers
1. What chemicals are involved, but not how much of each.
2. So you know how best to handle the materials and what to expect from the
reaction.
3. It indicates that the reactants on the left of the arrow produce something found on
the right of the arrow.
4. The reaction is being heated.
CK-12 Chemistry Answer Keys - ๎updated July 2019 1
