This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: 2010 Digital Interactive Video Education Week 22 119 Laboratory Activity 20 Chemical Equilibrium Introduction Henry Louis Le Chatelier (1850-1936) was a French chemist whose name is associated with the chemical equilib- rium principle he discovered. In Le Chateliers own words, the principle is stated as follows: Every change of one factor of an equilibrium occasions a rearrangement of the system in such a direction that the factor in question experiences a change in a sensed opposite to the original change (H.L. Le Chatelier, Annales des Mines 13(2), 157). The purpose of Laboratory Activity 20 is to apply Le Chateliers principle to answer the following question: Is the following reaction reversible? 3KCNS + FeCl 3 3KCl + Fe(CNS) 3 clear yellow clear red Hypothesis : (Answer in a complete sentence, and use Le Chateliers principle to write your hypothesis) Methods Equipment: Bunsen burner, sparker, digital balance, spatula, weighing dish, test tubes (5), test tube rack,...
View Full Document
This document was uploaded on 10/31/2011 for the course CHM 2046 at University of Florida.
- Spring '07