Which would not provide a useful measurement of temperature?
a. the change in the height of a liquid in a tube that is open on one end
b. the pressure of a gas inside a container of constant volume
c. the electrical resistance of a conducting wire
d. the expansion of a liquid inside a closed tube

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.