How much faster does helium escape through a porous container than ozone, O3? eve aint lo et iclol pm eleu

Q: 9. What is the pressure of hydrogen gas collected over water at 21°C if the pressure of the mixture…

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Q: 12. A 4.85-g sample of solid ammonium chloride is placed in a 1.50-L evacuated flask and heated…

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Q: 46. How much faster does hydrogen gas effuse than neon gas? O A. 3.16 times O B. 4.66 times O C. 10…

A: we are asked how much faster does hydrogen gas effuse than neon gas.Note : molar mass of hydrogen…

Q: 2320 mmHg to atm

A: Given pressure : P= 2320 mm Hg

Q: How many moles of gaseous arsine (AsH3) occupy 0.170 L at STP? mol AsH3 What is the density of…

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Q: A sample contains 10.5 g N2 (MW = 28.02 g/mol), 6.5 g He (MW = 4.00 g/mol), and 34.6 g CO2 (MW =…

A: Given : Mass of N2 = 10.5 g Mass of He = 6.5 g Mass of CO2 = 34.6 g And total pressure of mixture =…

Q: Consider the following equation: CH&O7(s) +3 NaHCO3(s) + H20(1) --> Na3CgHgO7(s) + 3H2O(1) + 3CO2g)…

A: Here we first calculate the production of CO2 as a mole. Then use gas equation to determine the…

Q: Which of the following gases will escape through a hole in a balloon at the slowest rate? O NO₂ O NO…

A: The rate of escaping of a gas from the hole of balloon is determined by its diffusion rate.…

Q: A 2.50 g sample of solid potassium chlorate is decomposed according to the following reaction. If…

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Q: 38. The volume of a steel tank is 438 dm³ and it is filled with 0.885 kg of O2. Calculate the…

A: Ideal gas equation is:- PV = nRT                                                  (or)…

Q: A sample of nitrogen gas (N2) is at a temperature of 25oC. Calculate the speed of the N2 molecule…

A: Since the kinetic energy of 1 mole of the gas molecules is given by  KE = (3/2) RT  where R = gas…

Q: A 3.05 g sample of ammonium nitrate is introduced into an evacuated 2.18 L flask and then heated to…

A: Given: Mass of the sample= 3.05 g The volume of the flask= 2.18 L Temperature= 250.0 °C To find: The…

Q: In the reaction, 2KClO3(s)⟶2KCl(s)+3O2(g) what mass of potassium chlorate, KClO3, would be required…

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Q: The combustion of octane, C, H, proceeds according to the reaetion shown. 18 2 C,H18() + 25 O,(g) →…

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Q: How does KMT explain the effects of increasing the temperature of a gas?

A: When temperature is increased, average speed and kinetic energy of  gas molecules increase according…

Q: An atmospheric chemist studying the pollutant SO2 places a mixture of SO2 and O2 in a 2.00-L…

A: The given data contains, Volume = 2.00 L Temperature = 800 K. Pressure = 1.90 atm.

Q: 34. DETAILS Calcium hydride, Cat, reacts with water to form hydregen gas Caly(s) +2 H,O) - CatOHlaa)…

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Q: + |/ 00 %24 D. Two bulbs are connected by a stopcock. The 7.50 L bulb contains nitric oxide (NO) at…

A: After the stopcock is opened, the following reaction occurs:

Q: Consider two gas cylinders of the same volume and temperature,one containing 1.0 mol of propane,…

A: Two gas cylinders of the same volume are taken such that one is filled with propane and the other…

Q: A 1,000 L container holds 50 kg of argon gas at 27 °C. The molar mass of argon is M = 40 ko/kmol.…

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Q: 1.) Krypton gas (Kr) diffuses through a small hole at a rate of 8.7 m/sec. At what rate will carbon…

A: According to the Graham’s law, “a gas will effuse at a rate inversely proportional to the square…

Q: Consider the reaction: 2 NiO(s) ---------->2 Ni(s) + O2(g) If O2 is collected over water at…

A: O2 is collected over water at 40.0°C and a total pressure of 745 mmHg To calculate the volume of gas…

Q: 0.1800 mol of C2H4(g) and 0.1800 mol of H2O2(g) and occupies a volume of 14.7 L.

A: Answer: Calculate the volume of the sample after the reaction takes place, assuming that the…

Q: how much faster does oxygen gas escape through a porous container than carbon monoxide?

A: Molar mass of oxygen gas = 32 g  Molar mass of carbon monoxide =  28 g

Q: A sample of oxygen gas (02) was found to effuse at a rate equal to three times that of an unknown…

A: According to Graham's law of effusion: RO2Runknown gas= MWunknown gasMWO2   Let, Rate of effusion of…

Q: 8. The airbag is a safety device used in cars to cushion the passenger during a crash. It involves…

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Q: How many times faster does chlorine gas diffuse than Bromine g

A: Recall the following expression from Graham's Law of diffusion       rCl2rBr2=MBr2MCl2Molar mass of…

Q: If the most probable speed of the gas molecules is initially 445 m/s, what is the new most probable…

A: The relation for the determining the most probable speed is shown below. vmp=2RTM Here, T is…

Q: Consider the reaction inside a car air bag (Mol. Wt. NaN3 = 65 g/mol): 2NAN3 (s) -> 2Na (s) + 3N2…

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Q: A sample of gas contains 0.180 mol of C,H4(g) and 0.180 mol of H2O2(g) and occupies a volume of 14.3…

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Q: An atmospheric chemist studying the pollutant SO2 places a mixture of SO2 and O2 in a 1.14−L…

A: The volume and pressure of mixture of SO2 and O2 is 1.14 L and 1.98 atm, respectively. The…

Q: c) Potassium chlorate decomposes to give potassium chloride and oxygen gas. 2KCIO3(s) - 2KCle +…

A: The question is based on concept of stoichiometry of reactions. it makes use of ideal gas equation…

Q: A sample of gas contains 0.1800 mol of CO(g) and 9.000×10-2 mol of O2(g) and occupies a volume of…

A: Given: Moles of CO= 0.1800 mol Moles of O2=9.000×10-2 mol Volume=12.4 L Reaction is 2CO(g) +…

Q: 12. (c) Potassium metal reacts with water. 2K(s) + 2H,0(1) -→ 2KOH(aq) + H,(g) 0.2346g of potassium…

A: In the above question we have to calculate the volume of gas produce on reaction between Potassium…

Q: le of helium gas occupies 0.315 L at 300 kPa. More pressure is applied from the surroundings and the…

A: The quantitative relationship between volume and pressure is determined by Boyle’s law. It was given…

Q: estion 18 öf 25 A 20.0 L container at 303 K holds a mixture of two gases with a total pressure of…

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Q: Helium gas escapes from a bicycle tire valve at a rate of 3.6 mole/min. Under the same pressure and…

A: Graham's Law Rate of diffusion is inversely proportional to the sqrt of molar mass of the…

Q: A sample of O₂(g) (MM = 32 g/mol) effuses through a tiny hole in 12.0 s. What is the molar mass of a…

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Q: 4.00 g of hydrogen peroxide (MM = 34.02 g/mol) is placed in a sealed 252 mL container at 504 K. What…

A: Given data,Mass of H2O2=4.00gVolume=252mL=0.252LTemperature=504K

Q: How much faster does hydrogen escape through a porous container sdbien e than sulfur dioxide?

A: The rate of effusion is inversely proportional to the square root of molar mass of gas is Graham's…

Q: A gas diffuses through a tiny opening at 1.37 times the rate of O2(g). What is the molar mass of the…

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Q: 1. If 4.000 grams of hydrogen peroxide is placed within a sealed 250 milliliter container at 500 K.…

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Q: For the following reaction, a chemist adds .567g of NH3 and 2.0 L of 1.50 atm of O2 gas at 22oC. How…

A: Using ideal gas equation, first the moles of O2 is determined.

Q: Calculate the volume of O, at 16 °Cand 747 mmHg required to completely react with 231L ethane (C,H,)…

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Q: The rate of diffusion of gas x is one-half that of gas Y. If the density of gas Y is 2.4 g What is…

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Q: be a significant source of air pollution. The Kilauea volcano in Hawaii em 200–300t (1t= 10°kg) of…

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