a 550 cm^3 flask contains 0.420g of a gas at a pressure of 150kPa and a...
A flask with a volume of 3.10 L , provided with a stopcock, contains ethane gas (C2H6) at a temperature of 310 K and atmospheric pressure 1.013×105 Pa . The molar mass of ethane is 30.1 g/mol . The system is warmed to a temperature of 381 K , with the stopcock open to the atmosphere. The stopcock is then closed, and the flask cooled to its original temperature. A) What is the final pressure of the ethane in the...
4. A flask with a volume of 2.20 L, provided with a stopcock, contains ethane gas (C2H6) at a temperature of 310 K and atmospheric pressure 1.013x10 Pa. The molar mass of ethane is 30.1 g/mol. The system is warmed to a temperature of 375 K, with the stopcock open to the atmosphere. The stopcock is then closed, and the flask cooled to its original temperature. A) What is the final pressure of the ethane in the flask? B) Find...
A flask contains 5 moles of an ideal gas at 25C and 2 atm pressure. The temperature of the gas is raised to 50C. What fraction of the gas must be removed to keep the pressure in the flask constant.
(Gas Pressure; 2pts) A 12-liter flask contains 1.2 moles of an ideal gas at a temperature of 20 degrees Celsius. What is the pressure in the flask in the flask in units of atmospheres? (Round your answer to three significant digits.)
4) A steel cylinder contains a gas at a pressure of 150kPa at 20°C if the maximum safe pressure for the cylinder is 320kPa, what is the maximum temperature the cylinder should be exposed to? (3 marks)
1. .A 3-m rigid tank contains hydrogen at 250 kPa and 550 K. The gas is now cooled until its temperature drops to 350 K. Determine (a) the final pressure in the tank and (b) the amount of heat transfer.
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...
9. A flask contains XeFx(g) at 25 torr. Hydrogen gas is added to the flask until the total pressure in the flask is 10 0 torr. Following the (spark catalyzed) reaction, the flask contains only xenon gas, hydrogen fluoride gas and unreacted hydrogen gas. Following removal of the HF (g) (by reaction with solid sodium hydroxide), the flask contains only xenon and hydrogen at a total pressure of 50 torr. Name the compound, XeFx Assume constant temperature 10. Nitric oxide (NO)...
Part A A flask with a volume of 2.50 L , provided with a stopcock, contains ethane gas (C2H6) at a temperature of 285 K and atmospheric pressure 1.013x105 Pa . The molar mass of ethane is 30.1 g/mol. The system is warmed to a temperature of 380 K , with the stopcock open to the atmosphere. The stopcock is then closed, and the flask cooled to its original temperature. What is the final pressure of the ethane in the...
1. A rigid-sided flask contains an ideal gas at temperature 460o C and pressure 4.32 atm. If the flask is now heated to 801 oC, find the new pressure inside the flask, in atm. 2. In a certain heat engine: a fuel-air mixture is injected into a cylinder of volume 6.06 cc at pressure 7.08 atm and temperature 383o C. Now a piston comes down, compressing the gas to a volume 3.03 cc and pressure 64.2 atm. Find the Celsius...