A gas cylinder contains 10 kg of nitrogen at 20°C. If the cylinder's volume is 50 L, what is the pressure?
Q1. A gas cylinder contains 10 kg of nitrogen at 20°C. If the cylinder's volume is 50 L, what is the pressure?
Answer: 170 atm
Explanation: Ideal Gas Law PV = nRT applied: n = 10 kg / 28 g/mol = 357.14 mol, P = 170 atm. Option A is incorrect due to miscalculation.