at 25 °C of the gas. 5. The density of a gas 305 Torr, Calcuiate the...
Part A- Calculate the density of sulfur hexafluoride gas at 704 torr and 21 ∘C. Part B- Calculate the molar mass of a vapor that has a density of 7.125 g/L at 12 ∘C and 744 torr .
6. a. Calculate the density of sulfur hexafluoride gas at 709 torr and 23 C. b. Calculate the molar mass of a vapor that has a density of 7.125 g/L at 11 ∘C and 745 torr . c. Calcium hydride, CaH2, reacts with water to form hydrogen gas: CaH2(s)+2H2O(l)→Ca(OH)2(aq)+2H2(g) This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed...
A gaseous sample of a compound has a gas density of 0.647 g/L at 694 torr and 20 °C. What is the 4. molar mass of this compound? If this compound contains only nitrogen and hydrogen, and is 82.2% nitrogen by mass, what is its molecular formula? 5. What is the density in g/L of neon gas at STP?
Gas Density 3. What is the density of dinitrogen tetroxide gas at 15°C and 835 torr?
Review Problem 10.072 At 46.0 °C and a pressure of 729 torr, a gas was found to have a density of 4.22 g L.. Calculate its molar mass. g/mol the tolerance is +/-9% Click if you would like to Show Work for this question: Open Show Work
Question 10 At 1000°C and 10.0 Torr, the density of a certain element in the gas phase is 2.9 x 10-3 g/L. What is the element? Ο Ο Ο Ο Ο
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Calculate the density of sulfur hexafluoride gas at 709 torr and 20 degree C. Express the density in grams per liter to three significant digits. d = g/L
U. 409UR 6. The density of hydrogen gas in a flask is 0.147 g/L at 305 K. What is the pressure inside the flask? a. 0.139 atm b. 1.19 atm c. 1.83 atm m d. 2.98 atm e. 3.69 atm D. pm Pr=DRT (6.1470) (305)
U. 409UR 6. The density of hydrogen gas in a flask is 0.147 g/L at 305 K. What is the pressure inside the flask? a. 0.139 atm b. 1.19 atm c. 1.83 atm m d. 2.98 atm e. 3.69 atm D. pm Pr=DRT (6.1470) (305)
.1. Hydrogen peroxide was catalytically decomposed and 75.3 mL of oxygen gas was collected over water at 25°C and 742 torr. What mass of oxygen was collected? (Pwater 24 torr at 25°C) 2. Small quantities of hydrogen can be prepared by the addition of hydrochloric acid to zinc. A sample of 195 mL of hydrogen was collected over water at 25°C and 753 torr. What mass of hydrogen was collected? (Pwater 24 torr at 25°C) 3. The air in a bicycle tire...