1. A spherical tank holds CO2 at a pressure of 12 atmospheres and a temperature of 30°C. During a fi re, the temperature is increased by a factor of 3 to 90°C. Does the pressure also increase by a...

1. A spherical tank holds CO2 at a pressure of 12 atmospheres and a temperature of 30°C. During a fi re, the temperature is increased by a factor of 3 to 90°C. Does the pressure also increase by a factor of 3? Justify your answer using equations.

2. A spherical tank is being designed to hold 10 moles of methane gas at an absolute pressure of 5 bar and a temperature of 80°F. What diameter spherical tank should be used? The molecular weight of methane is 16 g/mole.