1. In class on Tuesday morning, we're going to watch three filaments of different sizes and materials melt their way through ice cubes. In a couple of sentences, describe how you think the process will look. In particular, describe what you think the setup will look like when the filaments are partway through the ice cube. (Will the ice cube eventually be cut in two when the filament makes its way completely through? If so, why? If not, why not?)
Enter your answer here:
2. The figure approximately depicts our ice cube melting setup.
As the rod melts its way through a block of ice, heat is transferred from above the rod to below the rod. Now, consider the rate at which this heat is transferred.
Would you expect the rate of heat transfer to be bigger or smaller:
[Hint: You may wish to look at your "Watching Ice Melt" handout.]
3. If Dv is to represent the volume change per unit mass in the Clapeyron-Clausius equation, ri is the mass density of ice, and rw is the mass density of liquid water, then which of the following would be a good expression for Dv?
Check the correct answer: a) ri-rwb) (ri-rw)/mc) (1/ri) - (1/rw)d) m*[(1/ri) - (1/rw)] Below is a space for your thoughts, including general comments about today's assignment (what seemed impossible, what reading didn't make sense, what we should spend class time on, what was "cool", etc.): You may change your mind as often as you wish. When you are satisfied with your responses click the SUBMIT button.
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