Suppose pairs of aqueous solutions containing the following compounds are mixed. Which combination will result in a precipitation reaction?

Suppose 1.8 mol of SO2Cl2 decomposes through the reaction: SO2Cl2 (g) → SO2 (g) + Cl2 (g). If the SO2Cl2 originally had a volume of 2.4 L, what is the volume of all the gases present after the reaction? Assume all the SO2Cl2 reacts, and temperature and pressure remain constant.

What is the molar mass of Ca(MnO4)2?

The precursor molecule for a type of synthetic rubber has the empirical formula CH2 and has a molar mass of 56.11 g/mol. What is the molecular formula for this precursor?

Write a balanced equation for the combustion reaction of ethylene (C2H4) in which the only products are carbon dioxide and water. What is the coefficient for oxygen in the balanced equation?

How many moles of B2H6 are in a sample of B2H6 with a mass of 25.0 g?

Feedback is a gift…. 1) What did you learn in this course? Seriously, think about it, don’t use your notes or book.  What really stuck with you, as either a new learning concept or something that you really found interesting?    2) What are the “Must Keep” aspects of this class that you enjoyed and would benefit students who take this course in the future?  Again, reflect on the semester. What did you like about the course delivery? What were your favorite assignments? What helped you to be successful?    **Up to 3 Points will be added to your final score for input**

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A dental implant is a nonbiologic device surgically inserted into the jawbone. 

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