Hence
D) 2.44g/L is the correct answer.
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QUESTION 13 Compute the approximate density of methane, CH4, at 18 °C and 3.65 atm. The...
U.UULLOTUIR 1. Calculate the density of methane, CH4, at 20°C with 0.95 atm of pressure. PM d = RT
A 3.65 g sample of an unknown gas at 47 ∘C and 1.00 atm is stored in a 2.25 L flask. What is the density of the gas? What is the molar mass of the gas?
4. Compute the approximate density of ethane, CH3CH3, at 27°C and 3.00 atm. The molecular weight of ethane is 30.07. 5. If the density of a gas is 1.7 g/L at 27°C and 1.5 atm, what is its molecular mass? 8-8 CHEM1814-YEAR 2019-2020
12. What is the pressure in a 1.00 liter container of methane, CH4,(Molar mass= 16 g/mol) that contains 40.0 g of the gas at 25.0°C? A) 5.13 atm B) 61.0 atm C) 82.1 atm D) 979 atm E) 3,920 atm 13. What is the total pressure of a mixture of He and H2 if the partial pressures are 320 mm Hg and 800 mm Hg respectively? A) 40 mm Hg B) 60 mm Hg C) 320 mm Hg D) 480...
12. What is the pressure in a 1.00 liter container of methane, CH4,(Molar mass= 16 g/mol) that contains 40.0 g of the gas at 25.0°C? A) 5.13 atm B) 61.0 atm C) 82.1 atm D) 979 atm E) 3,920 atm 13. What is the total pressure of a mixture of He and H2 if the partial pressures are 320 mm Hg and 800 mm Hg respectively? A) 40 mm Hg B) 60 mm Hg C) 320 mm Hg D) 480...
final volume of 2.7 L. B) 0.75 atm C) 1.3 atm D) 0.27 atm 4.3 x 1S4 15) What is the volume occupied by 35.2 g of methane gas (CH4) at 25°C and 1.0 atm? (R = 0.08206 L . atm/K·mol) A) 11.2 L B) 4.5 L C) 53.6L D) 49.2 L
What is the density (in g/L) of methane at 25°C and 1.2 atm of pressure? The value of R = 0.0821 L atm mor-1 K-1? 0.785 1.20 9.9 4.90 * 10-2
Molar Volume 11. What is the volume of 0.60 g of methane (CH4 MM = 16.04 g/mol) at STP? STP? many grams of methane (CHE MM = 16.04 g/mol) are there in 7.00 7,00 L of the past Ideal Gas Law 0.278 8 of a mystery gas hydrocarbon occupies a volume of 0.400 L at 5 pressure of 886 mmHg. What is the molar mass of this gas, and what is L at 55.0°C and a what is its identity...
6. ) A sample of methane gas, CH4, at 322.0 degrees celcius and a pressure of 662 mmHg had a volume of 36.4 L. What would be the volume of the gas at STP 7.) The CO2 gas that was evolved during the fermentation of sugar was collected. After purification its volume was measured as 25.0 L at 22.5 Celcius and 702 mm Hg. How many moles of the CO2 gas were collected ? 8.) Commercially, compressed oxygen is sold...
QUESTION 4 The density of a gas is 797 g/L at a pressure of 183 atm and a temperature of 400 C What is the molar mass (ingmol) of the gas?