9) Consider nitrogen gas in a 10.0 L container at 0.94 atm and 50.0C. There is a small hole in the container. In order for the nitrogen gas to effuse at a rate of 2.3 mg/min, what must the radius of the hole be? (a) 0.010 mm (b) 0.050 mm (c) 0.10 mm (d) 0.50 mm (e) 1.0 mm ANSWER: A and the viscosity of a gas 10) As temperature is increased, the viscosity of a liquid (a) decreases, decreases (b) decreases, increases (c) increases, decreases (d) increases, increases ANSWER: B