A gas sample is observed to exert a pressure of 600 torr when confined to a 10.0-L vessel at 27°C.What will be its pressure in kPa when the gas is transffered to an 8.0-L vessel at 300 k?

Q: It took 4.5 min for 1.0 L helium to effuse through a porous barrier. How long will it take for 1.0 L…

A: For any certain gas, the rate of effusion is equivalent to the gas's volume that is undergoing the…

Q: An empty gas syringe weighed 58.63. When it was filled with 60.0 cm3 of an unknown gas at 100 kPa…

A: The effect of pressure and temperature is measured by Boyle’s law and Charles's law respectively.…

Q: Determine the rate of effusion of the densest gas known UF6, to that of the lightest gas,H2

A: According to the Graham's law of effusion, the rate of effusion of gas is inversely proportional to…

Q: A sample of an unknown gas effuses in 11.1 min. An equalvolume of H₂ in the same apparatus under the…

A: Graham's law of effusion states that the rate of effusion of gas is inversely proportional to the…

Q: organic compound with the general formula C,H,Sz, contains 69.57% S and 26.05 % C by mass. In the…

A:

Q: If a sample of gas has an initial volume of 563.2mL and an initial pressure of 547,563 Pa, what is…

A: Given: Initial volume of gas, V1=  563.2mL Final volume of gas, V2 = ???  initial pressure gas P1=…

Q: A sealed flask with an internal volume of 2.0 dm3 contains 6.0 g of methane. If the pressure inside…

A:

Q: The emission of NO, by fossil fuel combustion can be prevented by injecting gaseous urea into the…

A: Given: Temperature (T) = 655 K Volume (V) = 2.55 L Pressure (P) = 12.4 torr = 0.01632 atm. Time = 8…

Q: At 10.0C and 102.5 kPa, the density of dry air is 1.26 gL. What is the average "molar mass" of dry…

A: dear student, since you have asked multiple questions but according to guidelines we will solve 1st…

Q: The rate of effusion of Ar gas through a porous barrier is observed to be 8.98 x 10-4 mol/h. Under…

A:

Q: For a certain hydrocarbon gas, 20.0 mg exerts a pressure of 24.7 torr in a 500-cm3 vessel at 25…

A: Ideal gas equation is  PV =nRT  P = pressure of hydrocarbon gas = 24.7 torr = 0.0325 atm  V = volume…

Q: Determine the density of argon gas at room temperature (25oC) and 100 kPa.

A:

Q: A containing 138 cm ^ 3 of hydrogen was collected under a pressure of 25.6 kPa What pressure would…

A:

Q: Compare the length of a column of mercury to that of a column of water required to produce a…

A:

Q: The rate of effusion of Ar gas through a porous barrier is observed to be 9.69E-4 mol / h. Under the…

A:

Q: A balloon contains 30 L of helium gas at 100 kPa. What is the volume when the balloon rises to an…

A: Here given, Initial pressure (P1) = 100 KPa = 0.986923 atm (1 atm = 101.325 KPa) Initial volume (V1)…

Q: xactly 25 °C (or 298.15 K) and collected in a 100-mL eudiometer. The experiment was done under a…

A: The balanced equation for the decomposition of KClO3(s) is: 2KClO3(s)  ----> 2KCl(s) + 3O2(g)

Q: A sample of neon gas effuses through a pinhole at a rate of 0.46 mL/s. What will be the rate of…

A: Graham’s law of effusion is given by,

Q: Calculate the volume of a 0.0461 mol sample of gas which has a pressure of 99.6 kPa at 378 °C. Make…

A:

Q: In a certain laboratory which tests the purity of certain gases, nitrogen was collected over water…

A: given P is 97.30 kPa. v=? T= 23 °C.= 296K

Q: 7. If at a particular temperature the molecular speed of O2 molecules is 165 m/s, what would be the…

A: Given  Molecular speed of O2  = 165 m/s   Molecular speed of N2  = ?

Q: A flask containing 179 cm of hydrogen was collected under a pressure of 20.9 kPa. What pressure…

A: According to Boyle's law at constant temperature and number of moles.,  PV = Constant Or  P1V1 =…

Q: The rate of effusion of  Ne gas through a porous barrier is observed to be 4.28 x 10^-4 mol/h.…

A:

Q: An old gas cylinder you found in the back storage room of the ChE laboratory lost its label. Your…

A: Ideal gas equation is  PV = nRT  PV = (m/M)RT  P = pressure of the gas  V = volume  n = moles of gas…

Q: A flask containing 121 cm3 of hydrogen was collected under a pressure of 29.2 kPa. What pressure…

A: Pressure is inversely proportional to volume. As pressure increases, volume decreases and vise…

Q: In a certain laboratory that tests the purity of certain gases, nitrogen was collected over water at…

A: The question is based on the concept of Dalton's law of partial pressure. it  states that total…

Q: The rate of effusion of an unknown diatomic gas to oxygen is 0.355:1.00. Calculate the molar mass of…

A: Given that, The rate of effusion of an unknown diatomic gas to oxygen is 0.355:1.00. I.e.,…

Q: 5. At conditions of 104.7 kpa of pressure and 15°C temperature, a gas occupies a volume of | 45.5…

A:

Q: determine the root mean squared gas velocity in m/s of a gas at 98.33 celsius with a molecular…

A: Root mean squared velocity can be determined by following formula:  Vrms = (3RT/M)1/2 Where R =…

Q: The rate of effusion of a particular gas was measured and found to be 24.0mL/min.  Under the same…

A:

Q: A laboratory vacuum pump can generate a vacuum of about 1 nTorr at 27°C. Assuming that air consists…

A: Given data: Temperature (T) = 27o C = 273 + 27 = 300K Diameter (d) = 395 pm = 395 x 10-12 m Pressure…

Q: Starting with the definition of rate of effusion and Graham’s finding relating rate and molar mass,…

A: Starting with the definition of rate of effusion and Graham’s finding relating rate and molar mass,…

Q: Estimate the volume of your lungs at 100 m below sea level. (Hint: Assume that the number of air…

A: Given, the initial volume of the lung is equivalent to 5L sealed balloon at sea level. As we know,…

Q: n aqueous solution of ammonium nitrite, NH4NO2, decomposes when heated to give off nitrogen, N2.…

A: Given, Temperature, T = 20°C = (273 + 20) K = 293 K Total pressure, Ptotal = 99 kPa = 742.561 torr…

Q: A gas exerts a pressure of 3 kPa on walls of container 1. When container 1 is emptied into a…

A:

Q: The rate of effusion of N2 gas through a porous barrier is observed to be 3.99 x 10-4 mol/h. Under…

A:

Q: The rate of effusion of Kr gas through a porous barrier is observed to be 1.44x10 -4 mol/h. Under…

A: Effusion refers to the movement of gas particles through a small hole. Graham's Law states that the…

Q: Express (i) 108 kPa in torr and (ii) 0.975 bar in atmospheres.

A: Given: (i) 108 kPa in torr   (ii) 0.975 bar in atmospheres

Q: Assume that air consists of N2 molecules with a collision diameter of 395 pm. Calculate (i) the mean…

A: a) Mean speed of molecule =  R = gas constant = 8.314 J/K.mol T = temperature = 25 oC = 273+25 =…

Q: flask containing 152 cm3 of hydrogen was collected under a pressure of 20.6 kPa. What pressure would…

A: We have give that Initial volume of gas = V1 = 152cm3  Initial pressure of gas = P1 = 20.6Kpa  Final…

Q: For a certain hydrocarbon gas, 20.0 mg exerts a pressure of 24.7 torr in a 500.-cm3 vessel at…

A:

Q: What is the temperature of 1.131 g of gaseous Cl2 in a 1.31 L container at a pressure of 92.9 kPa?…

A:

Q: 5- A vacuum gage connected to a tank reads (15 kPa) at a location where the barometric reading is…

A:

Q: For O2 at 1 atm and 298 K, what fraction of molecules has a speed that is greater than vmp?

A:

Q: In a sample of Ar gas at 298.15K, what fraction of the Ar atoms have a speed between 600 and 1500…

A:

Q: Gaseous neon is observed to effuse through a tiny hole at a rate of 1.90 cm3/min. An unknown gas is…

A: According to Graham's law of effusion, rate of effusion is inversely proportional to molar mass of…

Q: 112 L N2 at 129 kPa and 303 K?

A: 284.95 g of NaN3 is needed.