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 |
|---|---|---|---|---|---|---|---|
| 13409 | In-person | Cascade JH 104 | Tuesday and Thursday from 1:30 to 3:20pm | From January 5 through March 18, 2027 | Elizabeth Ntantie |
Class details for CRN 13409 Notes: Registration required with CH227Z CRN 13410 | |
| 13411 | In-person | Cascade JH 104 | Monday and Wednesday from 2:30 to 4:20pm | From January 4 through March 17, 2027 | Barbara L Pasquale |
Class details for CRN 13411 Notes: Registration required with CH227Z CRN 13412 | |
| 13574 | In-person | Cascade JH 104 | Monday from 6 to 8:50pm | From January 4 through March 15, 2027 | Thomas P Dannenhoffer-Lafage |
Class details for CRN 13574 Notes: Registration required with CH227Z CRN:13575 | |
| and In-person | Cascade JH 104 | Wednesday from 5 to 5:50pm | From January 6 through March 17, 2027 | ||||
| 13413 | Online (no scheduled meetings) | Not applicable | Available 24/7 | From January 4 through March 17, 2027 | Nicole Naibert |
Class details for CRN 13413 Notes: Registration required with CH227Z CRN 13414 | |
| and In-person | Rock Creek BLDG7 210 | Wednesday from 9 to 10:50am | From January 6 through March 17, 2027 | ||||
| 13415 | In-person | Rock Creek BLDG7 214 | Tuesday and Thursday from 1 to 2:50pm | From January 5 through March 18, 2027 | Hemali D Premathilake |
Class details for CRN 13415 Notes: Registration required with CH227Z CRN:13416 | |
| 13576 | In-person | Rock Creek BLDG7 214 | Monday and Wednesday from 1 to 2:50pm | From January 4 through March 17, 2027 | Dawn M Van Seggen |
Class details for CRN 13576 Notes: Registration required with CH227Z CRN:13577 | |
| 13421 | In-person | Southeast SCOM 320 | Monday and Wednesday from 6 to 7:50pm | From January 4 through March 17, 2027 | Mike J Mackel |
Class details for CRN 13421 Notes: Registration required with CH227Z CRN:13422 | |
| 13417 | In-person | Sylvania ST 309 | Tuesday and Thursday from 2:30 to 4:20pm | From January 5 through March 18, 2027 | Claire L Boelke |
Class details for CRN 13417 Notes: Registration required with CH227Z CRN:13418 | |
| 13419 | In-person | Sylvania ST 309 | Monday and Wednesday from 9 to 10:50am | From January 4 through March 17, 2027 | Silvia K Brossard |
Class details for CRN 13419 Notes: Registration required with CH227Z CRN:13420 |
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 – 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.