Tag: LARN 021

LARN 021 C6D1 Start the following in class: 1.  The required journal topics for today, J21, are: a. What is the difference between a physical change and a chemical change? b. Contrast the range of proportions of substances that can be incorporated into a mixture to the range of proportions of substances that can be incorporated into a compound. c. Contrast the change in the energy when a coarse mixture is produced to the expected change in the energy when substances react to form a compound. d.  Contrast how the properties of a coarse mixture differ from the properties of substances that make it up, and also contrast how the properties of the compound differ from the properties of the elements that reacted to produce it. e.  Contrast the ways a mixture might be separated into its components to the ways a compound might be separated. 2. Do all the pages in the chapter 2 Section Review packet as a formative assessment to find out some of the...