Question

Question from email:
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Dr. Bodwin,

I am wondering if the test on Monday will have material from our last exam and the new material covered since then or just the enthalpy??
Thanks

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A few people have asked me this question and the best answer I can give is "yes".  Although there will not be any questions that are strictly "exam 2 questions" on this exam, you will have to know how to do things from exam 2 to answer exam 3 questions.  If you are trying to calculate the heat liberated or absorbed by a reaction, you will have to be able to write a balanced equation.  If you're trying to write a balanced equation, you will have to be able to write balanced formulas.  Many enthalpy problems are the same as all the stoichiometry problems we looked at for exam 2, the only difference is that instead of calculating grams or molarity or volume, you'll be calculating heat.  You may need to determine the limiting reagent, or percent yield, just like any other stoichiometry problem.

Other questions, let me know.