DOC PREVIEW
UCLA CHEM 30AL - Guidelines

This preview shows page 1 out of 2 pages.

Save
View full document
View full document
Premium Document
Do you want full access? Go Premium and unlock all 2 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 2 pages.
Access to all documents
Download any document
Ad free experience

Unformatted text preview:

CHEM 30AL Spring 2003CHEM 30AL Spring 2003 Prelab Report Guideline for Aspirin Experiment (Part 1) The following guidelines are for week 1 of the experiment. Prelab is due at the BEGINNING of the lab section. Prelab report MUST be written inside your LAB NOTEBOOK. NO EXCEPTION! Pre-lab Report Guidelines for Aspirin Experiment (Week 1 ONLY) (i) Title of the experiment (ii) Reference of procedures (iii) Introduction (iv) Procedures for week 1 ONLY in flow chart format (v) MSDS information The following chemicals will require you to use the MSDS database on the Web (refer to either the lecture syllabus or the MSDS handout): Salicylic Acid, Sulfuric acid (concentrated), Acetic Anhydride You should record the following MSDS information in your notebook for the chemicals listed above. (Printouts directly from the Web pages will NOT be accepted!!) (a) Product Name (b) Chemical Formula (c) Formula Weight (d) Melting Point; Boiling Point and Density (e) Health Hazard Data (summarize in your own words) (f) Spill and Disposal procedures (summarize in your own words) (vi) Prelab study questions (Must show all work for FULL credit) Complete ALL study problems under week 1. (vii) Data/observations (Start a NEW page) Set up tables but leave blank. You MUST record all the observations into your lab notebook during your lab sessions. You will NOT receive any credit for your lab technique if you only record the weight of the chemicals during the experiment.CHEM 30AL Spring 2003 Postlab Report Guideline for Aspirin Experiment (Part 1) This is an INDIVIDUAL report Post-lab report MUST be written inside your LAB NOTEBOOK (except for graphs). (A) Abstract - summarize results and outline the lab technique that you used in the lab to synthesize and/or purify the final product. (B) Data/Observations (See p.94 under the section "Synthesis") - Orderly record of data - Data tables should have proper titles/labels - Documentation of ALL observations during the experiment (C) Data Analysis (MUST SHOW ALL WORK FOR FULL CREDIT) - Theoretical moles of Aspirin (MUST show all work. You MUST identify which one is the limiting reagent) - % Crude Yield - % Corrected Yield (D) Conclusions - summarize results (again) and comments of any random errors or systematic errors that may affect the experimental results. - What can you conclude about the % crude yield (especially if the yield is greater than 100% or less than 50%)? Explain your reasoning of why that may


View Full Document

UCLA CHEM 30AL - Guidelines

Documents in this Course
cpr

cpr

2 pages

exp13

exp13

4 pages

exp10-2

exp10-2

2 pages

Load more
Download Guidelines
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Guidelines and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Guidelines 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?