Lab Schedule for Chem 115. [Fall 03]

Lab Schedule for Chem 115. Fall, 03

Safety goggles must be worn whenever laboratory work is in progress. Goggles that will fit over most prescription glasses are available in the bookstore. Check with your laboratory instructor before purchasing goggles so that you will obtain acceptable ones. Contact lenses should not be worn in the Laboratory.
Safety policy also requires that you wear shoes that cover your feet (no open sandals) and either long pants or a lab apron which protects your legs. In the event of an accident it is far better to spill caustics and acids on clothing than directly on skin.
Any experiments unavoidably missed must be made up within one week. Laboratories not made up will result in a deduction from the laboratory grade. You must have permission from your Teaching Assistant before a lab can be made up. You may make up an experiment in other Chem 115 laboratory, provided that you obtain permission from the TA of that laboratory section. When a laboratory experiment is made-up, turn in the report to the TA in charge who will deliver it to your TA.
Before coming to the lab you have to answer prelab questions which will be given to you by your TA
Notebook rules
Your TA is Carmen Melendez. She can be reached by email: camelend@nmsu.edu or during office hours: Tu10:20-11:20; Th10:20-11:20 in room CB 110

Week of	Experiment*	Max. points	Report Due
8/18/03 - 8/22/03	No labs
8/25/03 - 8/29/03	Check In
9/01/03 - 9/05/03	Lab 1C, Measurements of Mass and Volume	10
9/08/03 - 9/12/03	Lab 1A, Identification of an Unknown	10
9/15/03 - 9/19/03	Lab 3A, Empirical Formal of an Oxide	10	Lab 1C
9/22/03 - 9/26/03	Lab 4B, Ionic Reactions	10	Lab 1A
9/29/03 - 10/03/03	Lab 5A, Boyle's Law	10	Lab 3A
10/06/03 - 10/10/03	Lab 6, Thermochemistry	10	Lab 4B
10/13/03 - 10/17/03	Lab 7, Light Absorption	10	Lab 5A
10/20/03 - 10/24/03	Lab 8, Solubilities	10	Lab 6
10/27/03 - 10/31/03	Lab 9, Oil of Wintergreen to Salicylic Acid	10	Lab 7
11/03/03 - 11/07/03	Lab 10A, Geometric Isomers	10	Lab 8
11/03/03 - 11/07/03	Lab 11, Liquids and Solids	10	Lab 9
11/03/03 - 11/07/03	Lab 12A, A Molar Mass from Freezing Point	10	Lab 10
11/10/03 - 11/14/03		20	Lab 11
11/17/03 - 11/21/03	Check Out		Lab 12A
12/2/03 and 12/3/03	Presentations**	140	Total

* - All experiments are from the sixth edition of "Experiments in General Chemistry" by R.A.D. Wentworth
** - Each group will make a poster on one of the labs and present it during the last week

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We would very much appreciate your opinion concerning the labs. Please take a moment and evaluate the labs using the table below. Please grade them according to how much you have learned (5 -means a lot, 1-nothing new) and rank their difficulty level (1 beeing easy and 5 - being most difficult). Thank you in advance.

Laboratory Experiment	Difficulty level: 1- easy, 5 - hard	Learned: a lot (5) or nothing new (1)
1. Measurements of Mass and Volume
2. Identification of an Unknown
3. Empirical Formal of an Oxide
4. Ionic Reactions
5. Boyle's Law
6. Thermochemistry
7. Light Absorption
8. Solubilities
9. Oil of Wintergreen to Salicylic Acid
10. Geometric Isomers
11. Liquids and Solids
12. A Molar Mass from Freezing Point

Last updated on 12/09/03
Email: snsm@nmsu.edu