This is a review of chapters 3 & 4. The topics covered include physical and chemical changes, physical and chemical properties, mixtures, separation of mixtures, pure substances, elements, compounds, isotopes and Rutherford model of the atom.
It is recommended that you work the review sheet first then check your answers and then scroll to the question number that you need help with in the video. You have to practice in chemistry, working the review sheet first will help you to identify what concepts you need to focus on the most while studying.
Learn how to calculate the energy change when a substance changes state. Learn how to calculate the energy when a block of ice below zero is heated to liquid water.
Learn how to work a problem using dimensional analysis, also called the factor label method. This video works the problems using the English system, a system that you are familiar with to help you get started.
This is a review of nomenclature. Review how to write type I, II, III, acids and hydrate names and formulas and review the Latin system for type II compounds.
This is a review of dimensional analysis (the metric & English system), significant figures, density, and kelvin temperature conversions.
It is recommended that you work the review sheet first then check your answers and then scroll to the question number that you need help with in the video. You have to practice in chemistry, working the review sheet first will help you to identify what concepts you need to focus on the most while studying.
Learn how to plug numbers into your calculator using Dimensional Analysis. This video helps in general with chemistry - Dimensional Analysis, The Factor Label Method (Chapter 2), The Mole (Chapter 8), Stoichiometry (Chapter 9) and any other chapters that we use Dimensional Analysis.
After having watched MoeTube video 050 Energy Requirements for Changes of State this will be good practice. Pause the video at the start, work the problems then watch to make sure you did them correctly.