One morning, an employee at a rental car company fills a cars steel gas tank to the

Question:

One morning, an employee at a rental car company fills a car’s steel gas tank to the top and then parks the car a short distance away.
(a) That afternoon, when the temperature increases, will any gas overflow? Why?
(b) If the temperatures in the morning and afternoon are, respectively, 10 °C and 30 °C and the gas tank can hold 25 gal in the morning, how much gas will be lost? (Neglect the expansion of the tank.)