How many people would MISS the thermo midterm if we move it to MONDAY, Feb 15? Note: it’s only okay to miss a midterm with an excused absence, e.g. : a professional meeting, or illness so severe it requires seeing a doctor. A] I cannot be here Feb 15 and will have an excused absence B] I can be here Feb 15.

In the isobaric process shown, W is: A] + B] - C] 0 D] cannot determine In the isobaric process shown,  U is: In the isobaric process shown, Q is:

In the isochoric process shown, W is: A] + B] - C] 0 D] cannot determine In the isochoric process shown,  U is: In the isochoric process shown, Q is:

In the isothermal process shown, W is: A] + B] - C] 0 D] cannot determine In the isothermal process shown,  U is: In the isothermal process shown, Q is: Let’s do this quantitatively.

On expanding isothermally from 2L to 4L, an ideal gas does 6J of work, as the pressure drops from 2 atm to 1 atm. By how much must it expand to do an additional 6J of work? A] It must expand an additional 2L, to reach 6L B] It must double again, to 8L C] It must increase four-fold, to 16L D] It can do no more work, as it has reached 1 atm. E] Cannot determine without knowing T

In the mystery path process shown, W is: A] larger than for an isothermal process from A->B B] smaller than for an isothermal process from A->B C] 0 D] cannot determine In the mystery path process shown,  U is: In the mystery path process shown, Q is: