Reactants, Products, Precipitate, Word equation, Chemical equation, Aqueous, Endothermic, Exothermic, Concentration, Surface area, Catalyst, Enzyme, Corrosion, Combustion. Be able... Reactants, Products, Precipitate, Word equation, Chemical equation, Aqueous, Endothermic, Exothermic, Concentration, Surface area, Catalyst, Enzyme, Corrosion, Combustion. Be able to determine whether or not a chemical reaction has occurred and know the 7 pieces of evidence for a chemical reaction. Be able to read a chemical equation, understand that energy is stored in chemical bonds, and how to speed up or slow down a chemical reaction. Know the basic chemical equations for corrosion and combustion. Be able to draw Bohr diagrams for the first 20 elements and understand the differences between ionic and molecular compounds and their properties.
Understand the Problem
The question provides a comprehensive list of concepts related to chemical reactions, compounds, and bonding. It outlines the expectations for understanding and identifying chemical reactions, as well as the characteristics of different types of compounds and their properties. It serves as a study guide for students who need to learn these concepts in chemistry.
Answer
Look for color change, temperature change, gas, precipitate, light, odor change, and irreversibility.
To determine if a chemical reaction has occurred, look for evidence such as color change, temperature change, gas production, precipitate formation, light emission, odor change, and irreversibility. Understand chemical equations, exothermic and endothermic processes, factors affecting reaction rates, and basic reactions like corrosion and combustion.
Answer for screen readers
To determine if a chemical reaction has occurred, look for evidence such as color change, temperature change, gas production, precipitate formation, light emission, odor change, and irreversibility. Understand chemical equations, exothermic and endothermic processes, factors affecting reaction rates, and basic reactions like corrosion and combustion.
More Information
Chemists use various signs to identify chemical reactions, which are essential in understanding how substances interact. Efficient reaction prediction and analysis help in applications like developing energy-efficient processes and new materials.
Tips
Avoid mistaking physical changes (e.g., phase changes or dissolving) as indicators of chemical reactions.
Sources
- Evidence of Chemical Change - Let's Talk Science - letstalkscience.ca
- 15.2: The Rate of a Chemical Reaction - Chemistry LibreTexts - chem.libretexts.org
