The rate of effusion of a particular gas was measured and found to be 24.0 mL/min. Under the same conditions, the rate of effusion of pure methane (CH4) gas is 47.8 mL/min. What is the molar mass of the unknown gas? Mass =  ____  g/mol

Q: 2. 2.07x10-3 mol of an unknown gas effuses through a tiny hole in 217.25 s. Under identical…

A: Rate of effusion :- The number of moles (n) of a gas effused per unit time (t) is called rate of…

Q: Methane gas, CH4, effuses through a barrier at a rate of 0.862 mL/minute. If an unknown gas effuses…

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Q: 5. ERS MY NOTES ASK YOUR TEACHER The volume of a gas collected over water at 32 Cis 627 ml. The…

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Q: Given that a sample of krypton gas effuses in 13.6 minutes, how long (in minutes) will it take an…

A: The rate of effusion is inversely proportional to the square root of the molar mass of that element.…

Q: How long, in minutes, will it take 10.0 ml of H2 gas to effuse through a porous barrier if it has…

A: The time is to be calculated

Q: A 0.6333 g sample of a metal carbonate was reacted with hydrochloric acid. The carbon dioxide gas…

A: Given data, Mass of sample = 0.6333 g Temperature = 26.0oC Total pressure = 103.80 kPa = 1.024 atm…

Q: High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify…

A: Answer:- This question is answered by answered by using the simple concept of dimensional analysis…

Q: The rate of effusion of  CO2 gas through a porous barrier is observed to be  5.27x10^-4 mol/h.…

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Q: A sample of propane gas, C3H8, was collected over water at 22.5 ºC and 780. torr. The volume of the…

A: Temperature, T=22.5oC=22.5+273=295.5K (1oC=273K)Total pressure, PTotal=780torrInitial volume of the…

Q: Calculate the molecular mass of a protein if a 1.00 g sample is in a total volume of 1.53 mL at 37.0…

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Q: gas at 25oC and 4.5 atm. The lid of the tank has a tiny leakage that causes the gas to effuse at a…

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Q: A 1.25-g gas sample occupies 663 mL at 25 °C and 1.00 atm. What is the molar mass of the gas?a)…

A: Pressure of the gas (P) = 1 atm Volume of the gas (V) = 0.663 L Temperature of the gas (T) = 298 K…

Q: Classify each of the following as being characteristic of effusion or diffusion. A. The mixing of…

A: The process of escaping the gas molecule through a very small hole is known as effsion. During…

Q: Given the reaction: 2 Al (s) + 6 HCI (aq) --> 2 AICI3 (aq) + 3 H2 (g) A strip of aluminum of unknown…

A: Given data :  2 Al(s) + 6HCl(aq) ==> 1 AlCl3(aq) + 3H2(g)  Temperature = 22.0°C = 295 K  Volume =…

Q: A 250.0-mL sample of ammonia, NH3(g), exerts a pressure of 833 torr at 42.4°C. What mass of ammonia…

A: The can be calculated from the known values of molar mass and no of moles. Mass=molar mass×no of…

Q: 1A. When glucose is burned in a closed container, carbon dioxide gas and water are produced…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: A sample of a gas occupies 1600. milliliters at 20.0 oC and 400. torr. What volume will it occupy at…

A: Given data contains, Initial volume (V1) is 1600 mL. Initial pressure (P1) is 400 torr. Final…

Q: Rank the samples of gas described in the table below in order of increasing average speed of the…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A sample of propane gas, C3H8, was collected over water at 22.5 ºC and 780. torr. The volume of the…

A: The ideal gas equation is given as: PV=nRT where, P is the pressure of the gas V is the volume of…

Q: In an underground natural gas reserve, a bubble of methane gas, CH4, has a volume of 45.0 mL at 1.60…

A: As per ideal gas law  PV = nRT  where P = pressure  V = volume  n =moles  R = gas constant T =…

Q: metimes in lab we collect the gas formed by a chemical reaction over water (see sketch right). This…

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Q: Part A- Applying the Kinetic-Molecular Theory Consider two gas cylinders of the same volume and…

A: The statement' The C3H8 and CH4 molecules have the same average kinetic energy' is correct.

Q: Gases are different from solids and liquids. In a sample of gas, the molecules are far apart. The…

A: Given that : The table below shows the different commonly used units of measuring gas pressure. Use…

Q: A sample of propane gas, C3H8, was collected over water at 22.5 ºC and 880. torr. The volume of the…

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Q: A The effusion rate of an unknown gas is measured and found to be 35.75 mL/min. Under identical…

A: Given: The rate of effusion of unknown gas = 35.75 mL/min. And the rate of effusion of oxygen gas =…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

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Q: What is the pressure of an 8.5 L cylinder filled with 23.5 g of Nitrogen gas at a temperature of 298…

A: Given,Volume of the container is = 8.5LMass of the nitrogen gas =23.5gTemperature = 298 K

Q: A vessel with a volume of 2 · 10-3 m3 is filled with 19 grammes  of carbon dioxide gas (CO2) and 14…

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Q: Classify each of the following as being characteristic of effusion or diffusion. A. The mixing of…

A: Diffusion  It takes place when molecules of gases moves from region of higher pressure to region of…

Q: How can comparing the rates of effusion of gases X and Y allow the molar mass of Y to be calculated?…

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Q: A small gas tank is filled with nitrogen gas at 25oC and 4.5 atm. The lid of the tank has a tiny…

A: Interpretation - To tell about the rate of effusion in mL per hour if the tank is filled with helium…

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

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Q: Consider the formation of chlorine gas, from household bleach (sodium hypochlorite) and hydrochloric…

A: The given reaction is, NaClO (aq) + 2 HCl (aq) → Cl2(g) + H2O (l) + NaCl (aq) The given parameters…

Q: A sample of Br,(g) takes 22.0 min to effuse through a membrane. How long would it take the same…

A: Time to effuse ( Br2) = 22 min

Q: 8.278 x 10¯4 mol of an unidentified gaseous substance effuses through a tiny hole in 86.9 s Under…

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Q: ) An unknown noble gas is said to effuse at a rate of 103.0 s, with the same volume of gas, a sample…

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Q: There is 2.878 x 10-4 mol of an unidentified gaseous substance effuses through a tiny hole in 98.9…

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

Q: 7. The partial pressure of CH4(g) is 0.175 atm and that of O2(g) is 0.250 atm in a mixture of the…

A: "Since you have posted  question of multiple subparts. So we will solve first three subparts. To get…

Q: 1.115×10-4 mol of an unidentified gaseous substance effuses through a tiny hole in 79.9 s. Under…

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Q: 2.00L of carbon dioxide gas (the main component of the Martian atmosphere) is contained at a…

A: Here temperature remain constant.Recall the following expression according to Boyle's Law…

Q: A glass bulb contains an unknown gas. The gas is either CO2, SO2, C2H6, or CH3F.  Here is some data…

A: We know, P1V1/T1 = P2V2/T2 Where, P1 = initial pressure V1 = initial volume  and T1 = initial…

Q: There is 2.878 x 10-4 mol of an unidentified gaseous substance effuses through a tiny hole in 98.9…

A: Effusion is the process by which any gaseous substance is escaped from a large system through a tiny…

Q: The rate of effusion of a particular gas was measured and found to be 35.0 mL/min Under the same…

A: The rate of effusion of two gases is inversely proportional to the square root of their masses:

Q: A small gas tank is filled with nitrogen gas at 25°C and 4.5 atm. The lid of the tank has a tiny…

A: Answer :               Option (A) = 21.5 mL Given :        Rate of effusion of nitrogen gas = V2 =…

Q: The rate of effusion of H2 gas through a porous barrier is observed to be 8.50x10(-4) mol/h. Under…

A: The Graham’s law of effusion states that “the rate of effusion of a gas is inversely proportional to…

Q: Sodium chlorite reacts with chlorine gas to form chlorine dioxide gas and sodium chloride. Calculate…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: A sample of CO2 gas occupies a volume of 250 mL at 100 °C and 450 mm Hg pressure. What will be its…

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Q: A piece of dry ice (solid carbon dioxide) with a mass of 25.5 g sublimes (converts from solid to…

A: According to ideal gas equation,  PV = nRT V = (nRT÷P) n = moles = (given mass ÷ molecular mass)

Q: chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Given:Volume = 145 mL = 0.145 L.Temperature = 25 oC = 298 KPressure = 735 torr = 0.9671 atm.