U. 409UR 6. The density of hydrogen gas in a flask is 0.147 g/L at 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)
f 0.357 g of CHi gas is introduced into an evacuated 1.75 L flask at 25 °C, what is the pressure inside the flask? (R= 0.08206 L-atm/mol-K) a. 0.311 atm b. 0.261 atm c. 0.419 atm d. 4.99 atm e. 0.952 atm Calculate the density (in g/L) of CH&g) at 75 °C and 2.1 atm. (R 0.08206 L-atm/mol-K) a. 1.2 g/L b. 5.5 g/L c. 0.85 g/L d. 0.18 g/L e. 3.2 g/L wer Robert Boyle observed that the volume...
A 7.75-L flask contains 0.482 g of hydrogen gas and 4.98 g of oxygen gas at 65°C. What is the partial pressure of oxygen in the flask? Multiple Choice Ο 0.557 atm Ο 0.043 atm Ο 33.5 atm Ο 67 atm Ο 1.11 atm < Prev 15 of 26 !! Next >
A sample of hydrogen gas has a density of _____ g/L at a pressure of 0.581 atm and a temperature of 39 degrees Celsius. Assume ideal behavior.
A sample of hydrogen gas has a density of g/L at a pressure of 0.589 atm and a temperature of 54 °C. Assume ideal behavior.
Please help with these two
1. A flask is filled with 1.08 moles of a gas at 20.7 K and
646.8 mm Hg. The flask is then opened and an additional 1.33 moles
are added. The temperature of the flask is then changed to 272.4 K.
What is the pressure (in atm) of the flask under these final
conditions?
2. The density of a gas is 4.22 g/L at a pressure of 1.77 atm
and a temperature of 14.66 °C. What...
UYURURUle? T S OF Hydrogen gas are in the container if the ratio of hydrogen to oxygen is 2.1 with a pressure of 1.00 atm? 13. 8.500 g grams of Zinc metal are placed into a flask containing 100.0 mL of 3.00 M hydrochloric acid. What volume of hydrogen das can be generated at 1.000 atm and 25.0 "Cif the reaction is allowed to go to completion? 14. 10.000 grams of zinc metal are placed into a flask containing 100.0...
a.) A 2.50 L flask was used to collect a 2.65 g sample of propane gas, . After the sample was collected, the gas pressure was found to be 743 mmHg. What was the temperature of the propane in the flask? ______°C b.)Butane,C4H10 , is an easily liquefied gaseous fuel. Calculate the density of butane gas at 0.791 atm and 24°C. Give the answer in grams per liter. Density = ______g/L c.) A 0.488-g sample of a colorless liquid was...
will be exene 16. Gases are sold in large cylinders for laboratory use. What pressure, in atmospheres, will be ex by 2500 g of oxygen gas (O2) when stored at 22°C in a 40.0 L cylinder (R=0.08206 L'atm-K--moll)? A) 3.55 atm B) 1510 atm C) 47.3 atm D) 7.56 x 104 atm E) 10.2 atm 17. Assuming ideal behavior, what is the density of argon gas at STP (standard Temperature and Pressure), in g/L (R = 0.08206 L'atm-K--moll)? [Formula: d...
1- A mixture of hydrogen and argon gases, in a 8.69 L flask at 77 °C, contains 0.477 grams of hydrogen and 7.10 grams of argon. The partial pressure of argon in the flask is ____ atm and the total pressure in the flask is ____ atm. 2- A mixture of methane and carbon dioxide gases is maintained in a 7.86 L flask at a pressure of 1.93 atm and a temperature of 39 °C. If the gas mixture contains...