Home of WE_LEARN

a web-based tutorial system for organic chemistry

View Molecules or Reactions in 3D

Tartaric Acid

First isolated from wine

To view the molecule in a "pseudo-3D" perspective, click on the image and drag it to rotate the molecule in space. To increase (or decrease) the size of the image, hold down the "Shift" key and click and drag.

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Teachers: Improve your students' performance through "Practice makes Perfect" Strategies!

Individual student accounts are also available.

• You answer questions and receive explanations on wrong answers
• You select the question format (e.g., multiple-select, draw the structure of the correct answer, synthesis)
• Try it out. Request your free demo account today!
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Read the Latest News from
Horizon Learning Solutions

• WE_LEARN introduces easier student access - August 7, 2006
• WE_LEARN introduces easier mistake reporting and communication tools - July 20, 2006
• WE_LEARN can be Integrared with uPortal - March 29, 2006
• WE_LEARN offers Test Center Management Tools - March 8, 2006
• Perception, the driving program of WE_LEARN, Earns Top Marks in T + D Magazine Review - March 7, 2006
• WE_LEARN can be Integrated with Blackboard - February 28, 2006

View Animated Reactions in 2D

Click on the begin button to start the reaction mechanism animation.