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P = 2 atm

V = unknown

n = 2.0 mol

R = 0.082 atm dm3 K-1 mol-1

T = -133°C = 140 К

Solution:

The Ideal Gas equation can be used: PV = nRT

To find the volume of gas, solve the equation for V:

V = nRT / P

V = (2.0 mol × 0.082 atm dm3 K-1 mol-1 × 140 К) / (2 atm) = 11.48 dm3

V = 11.48 dm3

Answer: 11.48 dm3

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