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Learning Exercise

Basic skills demo

The student is to go to the workshop site, open a new workbench (File>select New WorkBench (Cntl-N). Then select Tools>Glassware>Beakers>600 ml Beaker. After the Beaker appears, using the LEFT mouse button drag the beaker to the center of the work bench, then RIGHT click and Select "Set as Recipient". Select from the WStockroom Explorer (left hand side of screen) Distilled Water, and using the Left Mouse button, DRAG the water container onto the Workshop bench. Right click on the distilled water container and then select "set as Source". Notice that the water container moves over your beaker. At the bottom of the workbench screen, look for the box next to "TRANSFER AMOUNT mL". Type in 100, and then click the POUR button. Observe that 100 mL of water has been added to your beaker. Note down the Solution Info on the right hand side of the workbench. The pH is neutral (as demonstrated by equal concentrations of -OH and +H ions).
Course: Introduction to Chemistry
Material:
Virtual Chemistry Laboratory
Date last modified:
November 24, 2006
Created by:
Lawrence Roberge
License:
creative-commons creative-commons by
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Virtual Chemistry Laboratory

Virtual Chemistry Laboratory

Here's your chance to mix chemicals without wearing safety goggles. You won't spill any acid on the spectrometer in this... see more

Material Type:
Simulation
Author:
David Yaron, Carnegie Mellon University
User Rating:
5 stars

Exercise

The student is to go to the workshop site, open a new workbench (File>select New WorkBench (Cntl-N). Then select Tools>Glassware>Beakers>600 ml Beaker. After the Beaker appears, using the LEFT mouse button drag the beaker to the center of the work bench, then RIGHT click and Select "Set as Recipient". Select from the WStockroom Explorer (left hand side of screen) Distilled Water, and using the Left Mouse button, DRAG the water container onto the Workshop bench. Right click on the distilled water container and then select "set as Source". Notice that the water container moves over your beaker. At the bottom of the workbench screen, look for the box next to "TRANSFER AMOUNT mL". Type in 100, and then click the POUR button. Observe that 100 mL of water has been added to your beaker. Note down the Solution Info on the right hand side of the workbench. The pH is neutral (as demonstrated by equal concentrations of -OH and +H ions).

Disciplines

Technical Notes

-Student must have JAVA plug-in for this lab to work.

Requirements

basic computer skills-use of computer mouse possession of color monitor

Topics

The student is to go to the workshop site, open a new workbench (File>select New WorkBench (Cntl-N). Then select Tools>Glassware>Beakers>600 ml Beaker. After the Beaker appears, using the LEFT mouse button drag the beaker to the center of the work bench, then RIGHT click and Select "Set as Recipient". Select from the WStockroom Explorer (left hand side of screen) Distilled Water, and using the Left Mouse button, DRAG the water container onto the Workshop bench. Right click on the distilled water container and then select "set as Source". Notice that the water container moves over your beaker. At the bottom of the workbench screen, look for the box next to "TRANSFER AMOUNT mL". Type in 100, and then click the POUR button. Observe that 100 mL of water has been added to your beaker. Note down the Solution Info on the right hand side of the workbench. The pH is neutral (as demonstrated by equal concentrations of -OH and +H ions).

Learning Objectives

-To handle mouse in workbench. -To learn to start a new chemical labs assignment. -To manipulate stock solutions and lab glassware. -To fill a glassware beaker.

Assessment

-Student will capture screen (Alt + Print Screen) at the end of the exercise, paste it into a new WORD document, and then email the word document (as an attachment) to the instructor. the exercise image should include the pH meter readings and have the beaker with 100 mL of water in view.