CH 221 "What's Due This Week" Schedule for Fall 2025

All assignments can be found on our website (https://mhchem.org/221).

Sections L1, L2, L3 and L4 must bring a printed copy of the lab on the specified day, then turn it in on the deadline stated on the first page of lab. Problem sets and labs will be turned in during class in AC 2501; quizzes and exams will be completed during class time. Emailed assignments in PDF form will incur a four point penalty, no exceptions.
Week Dates Lab Assignment
1 9/22 - Introduction to the course, start "Introduce Yourself" Assignment, due next week in recitation
  9/26 "Eight Bottles" (Lab #1) due next week in recitation
     
2 9/29 - Due: Problem Set #1 Chapter 1; Take: Recitation Quiz #1 and Quiz #1 in recitation
  10/3 "Density" (Lab #2) due next week in recitation
     
3 10/6 - Due: Problem Set #2 Chapter 2; Take: Recitation Quiz #2 and Quiz #2 in recitation
  10/10 "Hydrogen Spectrum " (Lab #3) due next week in recitation
    October 10, 9 AM: Last chance to reserve a Class Presentation element
     
4 10/13 - Due: Problem set #3 Chapter 3; Take: Recitation Quiz #3 and Quiz #3 in recitation
  10/17 "Chemical Nomenclature" (Lab #4) due next week in recitation
     
5 10/20 - EXAM #1 (Chapters 1-3);
  10/24 Due: "Exam Prep I" (Chapters 1-3)
    "Identification of an Unknown Compound" (Lab #5) due next week in recitation
     
6 10/27 - Due: Problem set #4 Chapter 4; Take: Recitation Quiz #4 and Quiz #4 in recitation
  10/31 Due: "Class Presentation Rough Draft Paper"
    "Lewis Structures" (Lab #6) due next week in recitation
     
7 11/3 - Due: Problem set #5 Chapter 5; Take: Recitation Quiz #5 and Quiz #5 in recitation
  11/7 "Valence Bond and Molecular Orbital Theory" (Lab #7) due next week in recitation, 11/13 for Sec. L2
    November 7: Last day to drop or change grade status this quarter at Mt. Hood Community College
     
8 11/10 - Tuesday, November 11: Veterans Day, Mt. Hood Community College is closed; Sec L2: Exam on Th 11/13
  11/14 EXAM #2 (Chapters 4-5)
    Due: "Exam Prep II" (Chapters 4-5)
    "Empirical Formula " (Lab #8) due next week in recitation
     
9 11/17 - CLASS PRESENTATIONS WEEK
  11/21 Class Presentation paper due at time of presentation during recitation.
     
10 11/24 - 11/28 Happy Thanksgiving! L1 meets on Monday at 9 AM, L2 does not meet on Tuesday, no labs for any section
     
11 12/1 - Due: Problem set #6 Chapter 6 and Chapter 7 Part I; Take: Recitation Quiz #6 and Quiz #6 in recitation
  12/5 "Net Ionic Reactions " (Lab #6) due next week at the time of your Lecture Final
    All late work is due and all extra credit closes Friday, December 5 at 9 AM
     
12 12/8 - Take Home Lab Final relesed by 9 AM Monday, 12/8 for all CH 221 sections. You must print the Take Home Lab Final and turn it in at the time of your Lecture Final for full credit.
  12/10 Section L1: Take Lecture Final tentatively on Wednesday, December 10 at 8:45 AM in AC 1303. Due: Net Ionic Reactions lab, Take Home Lab Final
    Section L2: Take Lecture Final tentatively on Tuesday, December 9 at 8:30 AM in AC 1303. Due: Net Ionic Reactions lab, Take Home Lab Final
  12/10 Section L3: Take Lecture Final tentatively on Wednesday, December 10 at 1:10 PM in AC 1303. Due: Net Ionic Reactions lab, Take Home Lab Final
  12/10 Section L1: Take Lecture Final tentatively on Wednesday, December 10 at 1:10 PM in AC 1303. Due: Net Ionic Reactions lab, Take Home Lab Final

If you have questions regarding the "What's Due This Week" Schedule, email me (mike.russell@mhcc.edu)

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