Answer:
0.5 if i can have brainliest that would be great
Explanation:
P1V1 = P2V2
1 atm x 75L = P2 x 150L
75 atm•L = 150L•P2
Divide both sides by 150L to get P2
75 atm•L / 150L = 150L•P2/150L
0.5 atm = P2
Thus, the new pressure of 02 is 0.5 atmosphere