Answer:
V1 = 20.3L
Explanation:
P2 = 811.4Pa
V2 = 25.6L
P1 = 1023.6Pa
V1 = ?
To solve this question, we'll have to use Boyle's law which states that the volume of a fixed mass of gas is inversely proportional to its pressure provided that temperature remains constant.
Mathematically,
V = k / P, k = PV
P1 × V1 = P2 × V2 = P3 ×V3 =......=Pn × Vn
P1 × V1 = P2 × V2
Solve for V1
V1 = (P2 × V2) / P1
V1 = (811.4 × 25.6) / 1023.6Pa
V1 = 20771.84 / 1023.6
V1 = 20.29 = 20.3L
The initial volume was 20.3L
