Mercury (Hg) is the liquid of choice in a barometer. At sea leve 13.5 g/mL. How would the height of a water column at sea lev column? A. Both columns would have the same height. B. The water column would be higher. C. The water column would be shorter. Atmospheric pressure 760 mm (2.49 ft) 10,744 mm (33.9 ft) Atmospheric pressure

How many grams of nitrogen gas (N2) are in a balloon with a volume of 35.7 L at STP? (1 mole of gas at STP = 22.4 L of gas) (The molar mass of the nitrogen atom, N, is 14.01 g/mole.) Group of answer choices a. 1.59 g of nitrogen gas b. 22.3 g of nitrogen gas c. 17.6 g of nitrogen gas d. 44.7 g of nitrogen gas

Samples of Ar gas and Ne gas are both at 300 K. The average kinetic energy of the Ar is ________the average kinetic energy of the Ne. A.smaller than B. larger than C. the same as  The average speed of the Ar is _______ the average speed of the Ne. A.smaller than B. larger than C. the same as  The rate of effusion of the Ar is _______ the rate of effusion of the Ne. A.smaller than B. larger than C. the same as  2. An unknown gas diffuses at a rate of 14.8 mL/s. Under the same conditions of temperature and pressure CO2 gas diffuses at a rate of 11.4 mL/s. What is the molar mass of the unknown gas? _________g/mol

In Boyle's Law, what parameter is held constant A. PV² B. P/V C. VP²/P² D. PV²/V