Chemical Reactions Answer Key
Investigate the signs of chemical reactions and explore factors that affect reaction rates.
Looking for Chemical Reactions answers? This complete answer key provides verified solutions for all student exploration activities and assessment questions in the ExploreLearning Chemical Reactions Gizmo.
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Prior Knowledge Questions
Q1.What is a chemical reaction?
A chemical reaction is a process where substances (reactants) are transformed into new substances (products) with different properties.
Q2.What are four signs that a chemical reaction has occurred?
Color change, gas production (bubbles), temperature change, and formation of a precipitate (solid).
Q3.What is the Law of Conservation of Mass?
Matter cannot be created or destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.
Activity A ā Reaction Rates
Q4.How does temperature affect reaction rate?
Q5.What is a catalyst?
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