I had two students come to my offices hours this week. Both students had similar questions about this weeks homework. They had the most trouble determining heat gain/loss from a P-V graph. I pointed out that work could be found from finding the area under the line, and the heat is found from utilizing the deltaU= Q - W equation. Since this homework question had multiple parts, I walked them through the first part, and they were able to do subsequent parts on their own.
They also had a question about finding the change of heat when two bodies of water are in contact, and this is found by utilizing Q = mc(deltaT). Once I pointed this out, they were able to solve the problem relatively easily.
Joe Musiol
Broccio MWF 12:00-12:50
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