A brass vat is 13 m long at room temperature (20C). How much longer is it when it contains boiling water at 1 atm pressure?

An aluminum wing on a passenger jet is 29 m long when its temperature is 18C.

At what temperature would the wing be 6 cm (0.06 m) shorter?

Air in a balloon does 20 J of work while absorbing 74 J of heat. What is its change in internal energy?

An apartment has the dimensions 17 m by 9 m by 6 m. The temperature is 25C, and the relative humidity is 51 percent. What is the total mass (in kg) of water vapor in the air in the apartment?