Category: Lab
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On the lab exam, do I need to know what solutions we used?
No, it’s important that you understand why we used a particular reagent instead of what the concentration was. For example, knowing that the addition HCl will result in the precipitation of insoluble chloride salts such as AgCl is more important than regurgitating the fact that we used 0.10 M HCl in the experiment.
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Why does it seem that the CHE 113 exam is a lot like a CHE 107 exam?
The purpose of this lab is to reinforce the concepts of CHE 107 so it’s not surprising that the content of the two exams will be similar.
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Does the replacement option based on the final exam apply in lab and lecture?
No, it only applies to lecture.
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What is an Achieve Smart Worksheet?
What is it? How do I access it? What if I need help? Other information
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How do I access the lab manual?
The lab manual is only available through Achieve. Follow the steps below to locate the lab manual on Achieve.
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Why did I receive a zero on the “Quality of data” points?
“Quality of Data” points as associated with the magnitude of your percent error, accuracy, and precision, which is based, going back through all of your calculations, on the quality of the data you collected. We understand that you are learning to work in the lab, which is why “Quality of data” is usually only 1-3…
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Does my percent error matter?
Yes, to an extent. There are points on the Achieve Smart Worksheets associated with percent error, accuracy, precision, etc. However, for each experiment, it’s usually only 1-3 points (out of 20 possible) and the majority of students will receive most of the points. The purpose for these points is to encourage students to do their…
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Do I have to complete the Smart Worksheet assignment in one sitting?
No, you can log in and work on an assignment as many times as you want (before the due date). Please note that all data must be entered before you can answer any questions.
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I entered the data wrong on my Smart Worksheet, how can I fix it?
All penalties for incorrect calculations will be applied regardless of which experiment you request changes for.