Gen Chem II Lab

Exp 11 - Electrochemistry

Experiment-related videos -

Determining the voltage of different cells

Other fun experiments-

Soil battery

Lemon battery

Exp 9 - Salt Ionization and Buffer Solutions

Experiment-related videos -

Part 1: Determining the pH of solutions using the drop counter

Part 2: Acid-base titration

Other fun experiments-

Ionization constant determination (long, but interesting) - Check out the nice color changes of red cabbage (red - colorless - green - yellow) as the pH of the solution is changed!

Exp 8 - Acid Dissociation Constant from Titrations

Experiment-related videos:

Experimental Procedure

Part 2 procedure

Kitchen science - 

Exp 7 - Determination of the equilibrium constant

Experiment-related videos:

Equilibrium experiment

Calculations related to the experiment

Background - Equilibrium

Kitchen science - 

Nice demonstration of equilibrium - try this at home

Exp 6 - Reaction rate and activation energy

Experiment-related videos:

Experiment to determine the reaction rate with respect to crystal violet

How to use the colorimeter

Kitchen science - 

A simple experiment to test the effect of temperature on the reaction rates of a glow stick.

For those with a Logger pro, here's how you can determine the activation energy of green glowsticks!


Exp 5 - Rate and order of chemical reaction

Experiment-related videos:

Iodination of acetone - determining the rate and order of a chemical reaction

Sample calculations

Kitchen science - 

A simple experiment to try at home to determine factors such as temperature and amount of substance affecting the rates of chemical reactions. As usual, be aware of the hazards when handling hot materials and acids. Post images of your observations on the general discussion board on Blackboard for extra credit.


Exp 4 - Using freezing point depression to find molecular weight

Experiment-related videos:

Steps:

Kitchen science - 

Useful general information about freezing point depression

Make icecream at home! - Video 1, Video 2

Colligative properties - Depression of freezing point in nature

Wood frogs

Exp 3 - Effects of Temperature on Vapor Pressure of Liquid

Experiment-related videos:

Vapor pressure and heat of vaporization

Cool toys based on vapor pressure -

Dipping bird toy

Explanation of how it works based on the Clausius-Capeyron equation!

Kitchen science - 

This maybe a fun experiment at home to vapor pressure. Remember: Safety is your top priority before attempting any experiments!

Another fun experiment

Everyday application

Check out this article.

Exp 2 - Evaporation and Intermolecular Forces

Experiment-related videos:

Evaporation and intermolecular forces experiment - In-house experiment

Determining the rate of evaporation - how to wrap filter paper around a temperature probe

Setting up the Vernier gadgets for the experiment

Creating molecular models

Use Molview to create models of the following molecules:

Kitchen science - 

Exp 1 - Computer-Based Graphical Analysis

Experiment-related videos:

Boyle's law data collection procedure using Vernier software and gadget

Kitchen science

Try this experiment at home to understand Boyle's law. Remember: Safety is your top priority before attempting any experiments!

Everyday application

Check out this article which provides some real-world applications of  Boyle's law.


LOGGER PRO 3.16.1 VERNIER SOFTWARE INSTALLATION

Please download the Logger Pro 3.16.1 from Vernier Software & Technology on your computer. After the file has downloaded to your computer, double-click the file to install the software.

Logger Pro 3.16.1 Downloads

Windows 7 or 10

Link: https://www.vernier.com/d/azkbr


macOS 10.15, 10.14, 10.13

Link: https://www.vernier.com/d/eavh0

 

Detailed Instructions

For more details on how to download and install Logger Pro, see:

https://www.vernier.com/til/2069/