CH221Z General Chemistry I
Explores and applies principles and applications of chemistry. Emphasis on measurement, components of matter, atomic and molecular structure, quantitative relationships including foundational stoichiometry, and major classes of chemical reactions. This course CH 221Z is a lecture course; CH 227Z is the laboratory component. Must be coregistered with CH 227Z. Must take both CH 221Z and CH 227Z to meet the lab science requirement. The PCC Chemistry Department strongly recommends that students take CH 221Z/CH 227Z, CH 222Z/CH 228Z, and CH 223Z/CH 229Z in consecutive terms. This course is part of Oregon Common Course Numbering. MTH 243, STAT 243, and STAT 243Z courses do not meet the MTH 111 prerequisite for CH 221Z. Prerequisites: MTH 111, (WR 115 and RD 115) or IRW 115 or equivalent placement, and (CH 151 or pass the CH 151 Competency Exam). Corequisite: CH 227Z. Audit available. (See course content and outcomes.)
Credits: 4
| CRN | Class type | Location | Days & time | Dates | Seats available | Faculty | More info |
|---|---|---|---|---|---|---|---|
| 44130 | In-person | Cascade JH 104 | Tuesday and Thursday from 9:30 to 11:20am | From September 22 through December 10, 2026 | Ken L Friedrich | Books for CRN 44130
Class details for CRN 44130 Notes: Registration required with CH227Z CRN 44132 | |
| 45112 | In-person | Cascade JH 104 | Monday and Wednesday from 9:30 to 11:20am | From September 21 through December 9, 2026 | Elizabeth Ntantie | Books for CRN 45112
Class details for CRN 45112 Notes: Registration required with CH227Z CRN:45113 | |
| 44134 | Online (no scheduled meetings) | Not applicable | Available 24/7 | From September 21 through December 11, 2026 | Karen M Radakovich | Books for CRN 44134
Class details for CRN 44134 Notes: Registration required with CH227Z CRN 44135 | |
| and In-person | Rock Creek BLDG7 214 | Friday from 9 to 10:50am | From September 25 through December 11, 2026 | ||||
| 44143 | In-person | Rock Creek BLDG7 214 | Tuesday and Thursday from 10 to 11:50am | From September 22 through December 10, 2026 | Karen M Radakovich | Books for CRN 44143
Class details for CRN 44143 Notes: Registration required with CH227Z CRN 44144 | |
| 44154 | In-person | Rock Creek BLDG7 106 | Tuesday from 6 to 8:50pm | From September 22 through December 8, 2026 | David A Wallack | Books for CRN 44154
Class details for CRN 44154 Notes: Registration required with CH 227Z CRN 44155 | |
| and In-person | Rock Creek BLDG7 106 | Thursday from 6 to 6:50pm | From September 24 through December 10, 2026 | ||||
| 44152 | In-person | Southeast SCOM 320 | Tuesday and Thursday from 6 to 7:50pm | From September 22 through December 10, 2026 | Mike J Mackel | Books for CRN 44152
Class details for CRN 44152 Notes: Registration required with CH 227Z CRN 44153 | |
| 44145 | In-person | Sylvania ST 309 | Tuesday and Thursday from 12 to 1:50pm | From September 22 through December 10, 2026 | Jim P Schneider | Books for CRN 44145
Class details for CRN 44145 Notes: Registration required with CH227Z CRN 44146 | |
| 44148 | In-person | Sylvania ST 309 | Monday and Wednesday from 9 to 10:50am | From September 21 through December 9, 2026 | Silvia K Brossard | Books for CRN 44148
Class details for CRN 44148 Notes: Registration required with CH 227Z CRN 44149 | |
| 44151 | In-person | Sylvania ST 309 | Monday and Wednesday from 2 to 3:50pm | From September 21 through December 9, 2026 | Jim P Schneider | Books for CRN 44151
Class details for CRN 44151 Notes: Registration required with CH 227Z CRN 44150 |
Class schedule definitions
- Cost:
- cost is based on the number of credits – see tuition and fees
- Books:
- $0 or <$40 means low cost books (doesn't include other supplies like calculators)
- Register:
- use the CRN to register in MyPCC – see how to register
- Class types:
- see more about class types
-
- In-Person: Instructional time will happen in-person. Class meetings take place at specific times and locations.
- Online (no scheduled meetings): Instruction will take place through regular online activities and assignments with scheduled due dates. Classes do not have meeting times.
- Online (scheduled meetings): Instructional time will happen online. Class meetings will take place at scheduled days/times online.
- In-person & Online (scheduled meetings): Class meetings take place at a specific time & day, with some meetings in-person and some online, usually in Zoom.
- In-person & Online (no scheduled meetings): Class meetings are in-person and have additional online activities.
- Online (scheduled meetings) & Online (no scheduled meetings): classes meet remotely with additional online activities required.