A gas has a volume of 15 L, a temperature of 300 K, and an unknown initial pressure. Then, the
gas expands to 30 L, remains at 300 K, and has a
pressure of 300 kPa. What was the initial pressure
of the gas?
a. 150 kPa
b. 600 kPa
330 kPa
d. 570 kPa
C.