Matter and Change September 9th, 2011

Pre-Lab and Homework PRE-LAB: Do the pre-lab assignment for práctica 3: Please type your answers Include references THINK before you answer the questions (make sure your answers are chemistry based). DUE Monday September 12th, 2011 before 10 pm (NO EXCUSES!) HOMEWORK:

• First Read Chapter 5 Sections 2 and 3 and answer the questions at the end of each section.

• Answer the following questions at the end of the chapter: • #68, 72, 78, 81, 85, 86 • Format: You must write the question and answer. Be neat. Write

your name, date, student id, and group number at the top of the page. If I can’t read it I won’t grade it. (DO NOT use paper out of your notebook).

• Due Wednesday, September 14th, 2011 (IT WILL NOT BE ACCEPTED AFTER THIS DAY!)