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CHEM-1105-002 Introductory Chemistry I Laboratory
Prerequisite: CHEM 1305 or concurrent enrollment
Experiments to complement lecture material. Experience in use of standard laboratory equipment and techniques, such as filtration, density measurements, qualitative and quantitative analysis.
Student ResourcesStudent Resources Website
Notice to Students enrolled in an educational program for preparation of issuance of certain occupational licenses:
Students enrolled in an educational program in preparation for obtaining certain occupational licenses are potentially ineligible for such license if the student has been convicted of an offense. For further information, please contact:
Melodie Graves
Justice Involved Advocate
Student Service Center 117
mgraves24@actx.edu
806-371-5995
Make appointment at https://melodiegraves.youcanbook.me
You can also contact the Legal Clinic, or the faculty member in charge of the educational program that you seek to enroll in. The further information you will receive will include notification to you of your right to request a criminal history evaluation letter from the licensing authority in order to clarify your particular situation.
(1 sem hrs; 4 lab)
On Campus Course
Introductory Chemistry Laboratory Manual, by Mary E. Graff
All students are required to purchase safety goggles, NOT glasses, and a plastic apron. A non graphing calculator is also needed. You will need a pencil and a blue or black pen.
Objectives and Goals of Course
1. To develop fundamental laboratory skills.
2. To study laboratory reactions and their relation to lecture materials.
3. To develop problem solving skills.
Performance/Learning Objectives
1. Make and perform basic calculations using the metric system of measurements.
2. Demonstrate good laboratory practices.
3. Perform laboratory operations using safe procedures.
4. Explain basic reactions from an experimental basis.
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Please set cell phones to silent or vibrate mode during lab, and go outside the lab to take or make any calls. Listen quietly while prelab instructions are being given - pay attention! This is not only important for lab safety, but will help you with your lab quiz. Do not start your experiment before the instructor tells you that you can start. Do not reach into your drawer for glassware, etc., during the prelab instructions - this makes it impossible for you and your classmates to hear important information.
All students are required to wear goggles at all times in the laboratory. There are absolutely NO EXCEPTIONS!! Plastic aprons are also required to be worn in the laboratory. No shorts, no sandals or other open type shoes. Pants or skirts must come to at least mid-calf. Pants cannot have holes in them. Your feet must be covered at all times with closed shoes. Shirts that do not completely cover the back and torso are strongly discouraged. Long hair must be tied back. Hats, including baseball caps, are not allowed in the laboratory. No food, beverages, tobacco, or gum are allowed in the laboratory at any time. These rules are for your safety as you learn to work in the laboratory. Failure to comply with safety regulations will result in dismissal from class.
The safety quiz will be taken during the first lab period. A grade of 80% or higher must be obtained in order to attend the rest of the laboratories. Failure to take the safety quiz and pass it stops you from completing lab. There will be a comprehensive written final exam. During the term, there will be short prelab quizzes over most experiments, and a mid-term "practical" lab exercise. The final grade will be determined by the grades on your laboratory reports, your quizzes and mid-term exercise, post-labs, and the final exam. Prelabs must be turned in at the very beginning of the lab period to receive credit; a zero will be recorded for any missing or late prelabs. Postlabs are due at the beginning of the next week's lab period. Lab reports are normally due before leaving the laboratory; however, in the case of some longer labs students may be allowed to finish calculations at home. No late work will be accepted. Students arriving late to lab after the prelab quiz has been given out will not be allowed to take the quiz. In the case of prelabs, postlabs, and quizzes, the lowest grade will be dropped in each category. The midterm and final cannot be dropped.
Students are issued a lab locker (drawer) at the beginning of the semester. This contains glassware and other equipment for use in the lab, and provides a place to store aprons and goggles. Students must clean out their drawers and complete the “check out” procedure on the last day of class. Failure to check out of lab will lower your grade by one letter.
|
Reports |
65% |
| Quizzes | 5% |
| Prelab exercises | 5% |
| Postlab exercises | 5% |
|
Midterm exercise |
5% |
|
Final Exam |
15% |
It is important that you do not miss a lab. There are no make-up labs. Your lowest lab report grade will be dropped when calculating the final grades. If you miss a lab, that will count as your drop grade. (Do not miss the lab midterm - this counts separately and cannot be dropped.) If you know ahead of time that you will be missing a lab, you may make arrangements to come to another lab section. If you are making arrangements to come to another lab, be sure to do that before the day of the lab. Please arrive on time in order to receive laboratory instructions; students arriving after the others have started their experiment will be asked to leave. In order to receive credit for an experiment, the student must be present when the experiment is being done.
LABORATORY SCHEDULE: (Subject to adjustment)
|
Date |
Exp # |
Assignment |
| 1/22 |
|
Laboratory orientation, Safety orientation, Safety quiz |
|
1/29 |
1 |
MEASUREMENTS AND THE METRIC SYSTEM - must have goggles for this class. |
|
2/5 |
2 |
Check into lab. HEAT TRANSFER AND SPECIFIC HEAT CAPACITY (with supplemental handouts) |
|
2/12 |
3 |
PHYSICAL AND CHEMICAL PROPERTIES OF SUBSTANCES |
|
2/19 |
|
Periodic Table Exercise (handout; not in lab manual) |
|
2/26 |
4 |
MIXTURES AND PHYSICAL SEPARATION |
|
3/4 |
|
Midterm exercise – will cover material from the first several weeks of lab. |
| 3/11 | Tentative - no lab | |
| 3/18 | No Lab; Spring Break | |
|
3/25 |
5 |
Nomenclature (meet in a classroom TBA) |
|
4/1 |
6 |
Chemical Changes and Reactions |
|
4/8 |
7 |
Chemical Reactions and Equations |
|
4/15 |
8 |
Hydrates, Percent Composition, and Formulas |
|
4/22 |
9 |
Stoichiometry of Chemical Reactions |
| 4/29 |
Tentative – no lab |
|
|
5/6 |
|
Drawer Check-Out; Final Exam |
April 23 is the last day to withdraw from this course and obtain a "W". Please note that if you entered college for the first time in the Fall 2007 or after, you are only allowed 6 drops within your college career. It is your responsibility to officially drop if you should choose to; the instructor will not do it for you. Your lab drawer key will need to be returned to the department.
TEACHING METHODS:
In the lab environment, I will often not answer your questions directly. It may be frustrating to you, but the process of my asking questions back to you will help you develop the critical thinking skills that are important in all aspects of our lives. This is called the Socratic Method of instruction. Often, in the lab, the first thing I will ask you is whether you have read the experimental procedure carefully. I may direct you to a portion of the lab manual first, and then have to come back to me if your questions aren’t answered. We will be doing some group work in the lab, and I may have you discuss a question with your group before guiding you toward an answer. Please don’t be frustrated, because I won’t let you flounder. Please ask questions if you don’t understand something – AND – remember, if you think something might be a safety issue, then it probably is. The lab should be an enjoyable experience and should enhance the topics we study in the lecture.
01/13/20 11:54 AM
01/14/20 12:54 PM