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- When you determined the MW of a volatile liiquiid using the Erlenmeyer flask with the aluminum foil cap & the pinhole, explain briefly how you were able to obtain: -Mass of the vapor - Volume of the vapor -Pressure of the vapor - temperature of the vapor B) Calculate the MW of iodethane, a volatile liquid, given the following data obtained from the experiment in 12A, given that PV=nRT (R= 0.0821 L.atm.mol-1.K-1) Mass of residual liquid = 1.6384 g Pressure = 745.6 torr Volume of vapor = 327.8 mL Temp. of vapor = 100.0 CFor an ideal gas P= nRT/V, and for a gas whose molecules have volume P=nRT/(V-nb) How would you modify this latter equation for a real gas to correct for the fact that there are attractive forces between molecules.The ammonia contained in a container measuring rectangular tank 1m x 700 cm x 3000mm if the pressure is 1.5 bar and temperature is 28 0C. Assume the molecular weight ofammonia is 17. Calculate the mass of ammonia
- .....................An 85 g-mol gas 0ccupies 38 L at 78oC,,, wh@t is the vacuum pressure 0f the gas in psi??? CH0iceS: 210.4421 195.7421 -195.742 225.1421 961.6895 946.9895 932.2895 -932.289Calculate the density of combustion gases with the following composition: 75% N2, 5.5% O2 ,11% CO2, 84% H2O, and 0,1% CO. The temperature is 350 oF and the pressure is 755 mm Hg,When 1.00g of magnesium is reacted with excess hydrochloric acid, what volume of hydrogen gas will be produced at standard temperature and pressure (STP) Standard temperature and pressure is defined as 0 degrees C and 1 atm. At STP, 1 mole of gas occupies 22.4L. Be sure to balance first
- a cylinder was connected to an open ended U-tube (1 atm) containing some mercury, Hg (density=13.6gcm^-3), and the Hg was displaced 100mm towards the container. What is the pressure of the gas inside the container?Aflask_with a v0lume 0f3.16L c0ntains 8g 0f an unkn0wnGas at32oC and 1atm. What is the m0larmass (g/m0l) 0f the gas?A hot-air balloon achieves its buoyant lift by heating the airinside the balloon, which makes it less dense than the air outside.Suppose the volume of a balloon is 1800 m3 and therequired lift is 2700 N (rough estimate of the weight of theequiptment and passenger). Calculate the temperature of the airinside the balloon which will produce the required lift. Assumethat the outside air temperature is 0 degrees C and that the air isan ideal gas under these conditions.How do I go about applying the ideal gas law to a problem like thiswhich asks me to factor in buoyant lift?Thanks!
- Cylinders0fc0mpressed gas are typicallyfilled t0 a pressure 0f 184bar. F0r nitrogen,what w0uldbethe m0larv0Iume (L/m0l) at this pressure and25oCNitrogen gas under an initial pressure of 5.0×106 Pa at 15 ºC is contained in a cylinder of volume 0.040 m3. After some time, the pressure has fallen to 2.0×106 Pa at the same temperature. How much gas has leaked out?Ammonia (assume perfect gas) initially at 25°C and 1 bar pressure is heated at constantpressure until the volume has trebled. Calculate a. q per moleb. w per molec. ΔHmd. ΔUme. ΔSm e