CHM 1311 Lecture Notes - Lecture 1: Absorbance, Codex Tischendorfianus I, Kmel
Document Summary
In this experiment students used their knowledge of rates of reaction and order, later applying them to spectrophotometry to calculate the speed of chemical reactions. The purpose of the experiment was for students to learn to use a spectrophotometer and apply it to kinetics. Students made solutions using edta at different ph levels and chromium nitrate cr(no3)3. After mixing the two solutions to create a new product students observed the reaction using a spectrophotometer to observe change in colouration over time. Upon completing the experiment students should be able to demonstrate the reaction follows pseudo first order-kinetics. After experimentation, the first step to determining the speed of a reaction is to determine the rate of reaction. Rate is determined by using the product of concentrations of reactants, raised to a power. A + b p rate is shown as. [a]n [b]m [2] after forming an equation without the proportionality symbol,
