Chemistry Sept. 28 & 29, 2015

•OBJECTIVE: Students will describe in writing how elements, compounds, and mixtures are different from each other.

•W.O.D. Repudiate-to reject, turn down

•WARM-UP

1. Complete page 35, Table 2.1, answer questions a-d

HW-lab preparation

•Describe how to separate a mixture of sand, salt, chalk dust, and iron filings. Be very detailed in your answer.

CW

•How to identify a chemical reaction?

•Law of conservation of mass and energy

•Separating mixtures (page 40)

a. When separating mixtures what is used to bring about the separation?

b. For each method of separation, state which type of mixture can be separated and EXPLAIN how the process works (i) filtration (ii) distillation

Distinguishing substances and mixtures

•How can you tell if a sample of matter is a substance or mixture? Use page 44 and state how to tell the difference between a substance and a mixture.

•Complete the table on the board

•Complete on loose-leaf paper page 41 #14-18 and page 47 #22-24, 26, & 27