Density_D-Harden - General Lab Policies 1 Clothing No contacts No loose clothing No shorts or short skirts No open-toe shoes 2 You must have safety

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
General Lab Policies: 1) Clothing: No contacts, No loose clothing, No shorts or short skirts,No open-toe shoes. 2) You must have safety glasses or safety goggles to enter lab. 3) You must have a bound lab notebook to enter lab. 4) All Data must be recorded in your lab bound notebook in ink. No loose paper. No pencils.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Density of an Unknown Liquid pp. 21-28 1) To familiarize you with the proper techniques for measuring mass and volume. 2) To understand the possible sources of errors and the treatment of errors in analyzing data. ERRORS Errors in laboratory measurement affect the accuracy and precision of the data Accuracy is measure of closeness to the true value Precision is how reproducible are the results .
Background image of page 2
There are two types of Errors Systematic errors often caused by the equipment used or how the experiment is done. Example: A balance that reads 0.5 g to low. Random errors Caused by the people doing the experiment and environmental fluctuations Example: Leaving finger prints on weighing vials.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/22/2010 for the course CHEM 5656 taught by Professor Harden during the Spring '10 term at Georgia State University, Atlanta.

Page1 / 10

Density_D-Harden - General Lab Policies 1 Clothing No contacts No loose clothing No shorts or short skirts No open-toe shoes 2 You must have safety

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online