1. Short Answer Practice: Dr. Dickey has a nice acoustic guitar and he is told to store it in a case with a humidifier during winter. a) Show on the psychrometric chart what happens to outside air processed by an air conditioner versus that processed by a heater to explain why he only needs to do this in the winter. (Remember problem 8.74). b) The humidifier is effectively a wet sponge. What does this do inside the case? Chapter 8

2. Short Answer Practice: How does your car’s defroster work? What’s the best way to defog your bathroom mirror? When you get out of the pool, what is your skin temperature equal to? Chapter 8

3. Short Answer Practice: Why do you feel warm when you step into a shower and cold when you step out, even if the room temperature is the same? Chapter 8

4. Short Answer Practice Estimate the constant pressure heat capacity of liquid n-decane (C 10 H 22 ) in J/(mol C). Note that it is not in any tables. Chapter 8

5. Short Answer Practice Why does your mirror get “foggy” when you take a hot shower? Chapter 8