Question 1: A balloon with an initial volume of 3.2 L at a temperature of 299 K is warmed to 376 K. What is its volume at 376K?
Question 2: The mass of an evacuated 255-mL flask is 143.187 g. The mass of the flask filled with 267 torr of an unknown gas at 25 degrees C is 143.289 g. Calculate the molar mass of the unknown gas.