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Effusion Solutions Library

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81 solutions

Effusion

Q. Gas Y effuses half as fast as O2. What is the molar mass of gas Y?

Solved • Mar 25, 2020

Effusion

Q. O2 (g) effuses at a rate that is __?__ times that of Br2 (g) under the same conditions. (rate of O2)/(rate of Br2)=?

Solved • Mar 20, 2020

Effusion

Q. Which of the following gases diffuses slowest?(A) F2(B) CO (C) CO2(D) Cl2(E) N2

Solved • Nov 29, 2019

Effusion

Q. It takes 125 minutes for 10 mL of Ar gas to effuse through a porous barrier. How many minutes would it take the same amount of Ne gas to effuse thr...

Solved • Oct 9, 2019

Effusion

Q. You may want to reference (Pages 416 - 419) Section 10.8 while completing this problem.Which of the following statements are true?(a) O2 will effus...

Solved • Oct 31, 2018

Effusion

Q. A thin glass tube 1 m long is filled with Ar gas at 1 atm, and the ends are stoppered with cotton plugs: HCl gas is introduced at one end of the tu...

Solved • Oct 31, 2018

Effusion

Q. As discussed in the “Chemistry Put to Work” box in Section 10.8 in the textbook, enriched uranium can be produced by effusion of gaseous UF6 across...

Solved • Oct 31, 2018

Effusion

Q. As discussed in the “Chemistry Put to Work” box in Section 10.8 in the textbook, enriched uranium can be produced by effusion of gaseous UF6 across...

Solved • Oct 31, 2018

Effusion

Q. Hydrogen has two naturally occurring isotopes, 1H and 2H. Chlorine also has two naturally occurring isotopes, 35Cl and 37Cl. Thus, hydrogen chlorid...

Solved • Oct 31, 2018

Effusion

Q. Arsenic(III) sulfide sublimes readily, even below its melting point of 320 oC. The molecules of the vapor phase are found to effuse through a tiny ...

Solved • Oct 31, 2018

Effusion

Q. A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 115 s for 1.0 L of th...

Solved • Oct 31, 2018

Effusion

Q. Find the ratio of effusion rates of hydrogen gas and krypton gas.

Solved • Oct 31, 2018

Effusion

Q. A sample of neon effuses from a container in 77 seconds. The same amount of an unknown noble gas requires 157 seconds.Identify the second gas.

Solved • Oct 31, 2018

Effusion

Q. Rank the three halogens (F2, Cl2, and Br2) with respect to their rate of effusion.

Solved • Oct 31, 2018

Effusion

Q. We separate U-235 from U-238 by fluorinating a sample of uranium to form UF6 (which is a gas) and then taking advantage of the different rates of e...

Solved • Oct 31, 2018

Effusion

Q. In a given diffusion apparatus, 15.0 mL of HBr gas diffuses in 1.0 min. In the same apparatus and under the same conditions, 20.3 mL of an unknown ...

Solved • Oct 31, 2018

Effusion

Q. A sample of Xe takes 75 seconds to effuse out of a container. An unknown gas takes 37 seconds to effuse out of the identical container under identi...

Solved • Oct 31, 2018

Effusion

Q. Two identical balloons are filled to the same volume, one with air and one with helium. The next day, the volume of the air-filled balloon has decr...

Solved • Oct 31, 2018

Effusion

Q. A compound contains only C, H, and N. It is 58.51% C and 7.37% H by mass. Helium effuses through a porous frit 3.20 times as fast as the compound d...

Solved • Oct 18, 2018

Effusion

Q. An organic compound containing only C, H, and N yields the following data.i. Complete combustion of 35.0 mg of the compound produced 33.5 mg CO2 an...

Solved • Oct 18, 2018

Effusion

Q. It took 4.5 minutes for 1.0 L helium to effuse through a porous barrier. How long will it take for 1.0 L Cl2 gas to effuse under identical conditions?

Solved • Oct 18, 2018

Effusion

Q. One way of separating oxygen isotopes is by gaseous diffusion of carbon monoxide. The gaseous diffusion process behaves like an effusion process. C...

Solved • Oct 18, 2018

Effusion

Q. 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 ...

Solved • Oct 18, 2018

Effusion

Q. Freon-12 is used as a refrigerant in central home air conditioners. The rate of effusion of Freon-12 to Freon-11 (molar mass = 137.4 g/mol) is 1.07...

Solved • Oct 18, 2018

Effusion

Q. When two cotton plugs, one moistened with ammonia and the other with hydrochloric acid, are simultaneously inserted into opposite ends of a glass t...

Solved • Oct 17, 2018

Effusion

Q. A gas of unknown identity diffuses at a rate of 83.3 mL/s in a diffusion apparatus in which carbon dioxide diffuses at the rate of 102 mL/s. Calcul...

Solved • Oct 17, 2018

Effusion

Q. Calculate the relative rate of diffusion of 1H2 (molar mass 2.0 g/mol) compared to that of 2H2 (molar mass 4.0 g/mol) and the relative rate of diff...

Solved • Oct 17, 2018

Effusion

Q. During the discussion of gaseous diffusion for enriching uranium, it was claimed that 235UF6 diffuses 0.4% faster than 238UF6. Show the calculation...

Solved • Oct 17, 2018

Effusion

Q. Which of the following gases diffuse more slowly than oxygen? F2, Ne, N2O, C2H2, NO, Cl2, H2S

Solved • Oct 17, 2018

Effusion

Q. Heavy water, D2O (molar mass = 20.03 g mol–1), can be separated from ordinary water, H2O (molar mass = 18.01), as a result of the difference in the...

Solved • Oct 17, 2018

Effusion

Q. A balloon filled with helium gas is found to take 6 hours to deflate to 50% of its original volume. How long will it take for an identical balloon ...

Solved • Oct 17, 2018

Effusion

Q. Containers A, B, and C are attached by closed stopcocks of negligible volume.If each particle shown in the picture represents 106 particles, (a) Ho...

Solved • Oct 16, 2018

Effusion

Q. Aluminum chloride is easily vaporized above 180°C. The gas escapes through a pinhole 0.122 times as fast as helium at the same conditions of temper...

Solved • Oct 16, 2018

Effusion

Q. A mixture of gaseous disulfur difluoride, dinitrogen tetrafluoride, and sulfur tetrafluoride is placed in an effusion apparatus.(a) Rank the gases ...

Solved • Oct 15, 2018

Effusion

Q. White phosphorus melts and then vaporizes at high temperatures. The gas effuses at a rate that is 0.404 times that of neon in the same apparatus un...

Solved • Oct 15, 2018

Effusion

Q. A sample of an unknown gas effuses in 11.1 min. An equal volume of H 2 in the same apparatus under the same conditions effuses in 2.42 min. What is...

Solved • Oct 14, 2018

Effusion

Q. What is the ratio of effusion rates for O 2 and Kr?

Solved • Oct 14, 2018

Effusion

Q. What is the ratio of effusion rates for the lightest gas, H 2, and the heaviest known gas, UF6?

Solved • Oct 14, 2018

Effusion

Q. 1.560 x 10-4 mol of an unidentified gaseous substance effuses through a tiny hole in 98.8 s.Under identical conditions, 1.749 x 10-4 mol of argon g...

Solved • Oct 5, 2018

Effusion

Q. The rate of effusion of Xe gas through a porous barrier is to be 7.31 x 10-4 mol/h. Under the same conditions, the rate of effusion of O2 gas would...

Solved • Sep 12, 2018

Effusion

Q. A sample of O3 gas is observed to effuse through a pourous barrier in 1.07 minutes. Under the same conditions, the same number of moles of an unkno...

Solved • Sep 11, 2018

Effusion

Q. The rate of effusion of SO2 gas through a porous barrier is observed to be 5.29 x 10-4 mol/h. Under the same conditions, the rate of effusion of NO...

Solved • Sep 11, 2018

Effusion

Q. The rate of effusion of SO2 gas through a porous barrier is observed to be 7.01 x 10-4 mol/h. Under the same conditions, the rate of effusion of CH...

Solved • Sep 6, 2018

Effusion

Q. The effusion rate of A gas molecules will be twice higher than one of B gas molecules when B molar mass is ____ higher than A molar mass. (a) None ...

Solved • Aug 26, 2018

Effusion

Q. A sample of CH4 gas is observed to effuse through a porous barrier in 5.53 minutes. Under the same conditions, the same number of moles of an unkno...

Solved • Aug 20, 2018

Effusion

Q. The average molecular speed in a sample of O3 gas at a certain temperature is 386 m/s. The average molecular speed in a sample of Ar gas is tempera...

Solved • Aug 20, 2018

Effusion

Q. The rate of effusion of CH4 gas through a porous barrier is observed to be 5.48 x 10-4 mol/h. Under the same condition, the rate of effusion of Xe ...

Solved • Aug 20, 2018

Effusion

Q. If 250 mL of methane, CH4, effuses through a small hole in 28 s, the time required for the same volume of helium to pass through the hole under the...

Solved • Jul 25, 2018

Effusion

Q. Consider two 1-L samples of gas, one H2 and one O2, both at 1 atm and 25°C. Compare the samples in terms of the characteristics listed. time for a ...

Solved • Jul 17, 2018

Effusion

Q. A sample of Br2(g) takes 34.0 min to effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same...

Solved • Jul 3, 2018

Effusion

Q. Calculate the ratio of effusion rates of Cl2 to F2.

Solved • Mar 23, 2018

Effusion

Q. The rate of effusion of oxygen to an unknown gas is 0.935. What is the other gas?

Solved • Mar 15, 2018

Effusion

Q. Calculate the ratio of effusion rates for Ar and Kr.

Solved • Mar 14, 2018

Effusion

Q. Rank from the highest to lowest effusion rate. To rank items as equivalent, overlap them. H2, Ar, Ne, C4H8, CO

Solved • Feb 21, 2018

Effusion

Q. How much faster do ammonia (NH 3) molecules effuse than carbon monoxide (CO) molecules?Enter the ratio of the rates of effusion. Express your answe...

Solved • Sep 22, 2017

Effusion

Q. An unknown gas Q diffuses at a RATE 1.65 times faster than that of propane, C 3H8. Which of these are most likely to be Q? a. He b. Ne c. H2O d...

Solved • Jul 26, 2017

Effusion

Q. Given the gases Ne, He, H2, Kr, put them in order of their INCREASING rate of effusion. 1. Kr < Ne < He < H 2 2. H2 < He < Ne <...

Solved • Jun 28, 2017

Effusion

Q. At a given temperature and pressure, a sample of Gas A is observed to diffuse twice as fast as a sample of a different gas, B. Based on this: A. T...

Solved • May 29, 2017

Effusion

Q. The gas for which instance will effuse faster?

Solved • Jan 17, 2017

Effusion

Q. Second-hand smoke consist of many molecules including nicotine. How much faster or slower does the nicotine diffuse, compared to carbon dioxide? (M...

Solved • Jan 17, 2017

Effusion

Q. Oxygen gas effuses at a rate that is 1.49 times that of an unknown gas (at the same temperature).  What is the identity of the unknown gas? A) Ar ...

Solved • Oct 26, 2016

Effusion

Q. The rate of effusion of two different gases is known asA) Avogadro's Law   B) Graham's Law       C) Charles's Law        D) Boyle's LawE) Dalton's Law

Solved • Oct 4, 2016

Effusion

Q. The rate of effusion of oxygen to an unknown gas is 0.935. What is the other gas? A) Ar B) F2 C) Ne D) N2

Solved • Sep 19, 2016

Effusion

Q. NO2 gas effuses ________times faster than Cl 2 gas. a. 1.54 b. 0.649 c. 1.24 d. 0.770 e. 2.37

Solved • Aug 24, 2016

Effusion

Q. Consider the chemical reaction: 2 SO2 (g) → SO(g) + SO3 (g) Determine if the sentence below is true or false Between the two products, SO3 would ...

Solved • Aug 8, 2016

Effusion

Q. A sample of N2O effuses from a container in 42 seconds. How long would it take the same amount of gaseous I2 to effuse from the same container unde...

Solved • Jun 3, 2016

Effusion

Q. A sample of neon effuses from a container in 76 seconds. The same amount of an unknown noble gas requires 155 seconds. Identify the gas. 

Solved • Jun 3, 2016

Effusion

Q. Calculate the ratio of effusion rates for Ar and Kr. 

Solved • Jun 3, 2016

Effusion

Q. A flask at room temperature contains exactly equal amounts (in moles) of nitrogen and xenon. d. If a small hole were opened in the flask, which ga...

Solved • Jun 3, 2016

Effusion

Q. Consider a 1.0-L sample of helium gas and a 1.0-L sample of argon gas, both at room temperature and atmospheric pressure.  d. Which gas sample wou...

Solved • Jun 3, 2016

Effusion

Q. Which gas is the predominant nitrogen-containing pollutant in the atmosphere?a) N2b) NH3c) NO2d) N2O5

Solved • May 10, 2016

Effusion

Q. The mass particle is 10% larger than that of particle B. If particle B travels 100 m during effusion, how far would particle A travel during effusi...

Solved • Mar 16, 2016

Effusion

Q. Using Graham's Law of effusion, calculate the ratio of the effusion rates of H 2 to CO through a pinhole.

Solved • Mar 11, 2016

Effusion

Q. How many times faster will He gas pass through a pin hole than SO2 gas? a) 4 b) 1/4 c) 16 d) 1/16 e) none of the given answers

Solved • Mar 11, 2016

Effusion

Q. Carbon dioxide effuses through a pinhole at a rate of 0.232 ml/min at 25.0 °C. Another gas effuses at a rate of 0.363 ml/min. What is the molar mas...

Solved • Feb 12, 2016

Effusion

Q. At any given temperature, how much more quickly will He effuse than Xe? 1. 5.7 times more quickly 2. .03 times more quickly 3. 8.1 times more qu...

Solved • Feb 12, 2016

Effusion

Q. A sample of helium effuses through a porous container 7.70 times faster than does unknown gas X. What is the molar mass of the unknown gas? 1. 129...

Solved • Feb 12, 2016

Effusion

Q. At a particular temperature and pressure, it takes 4.55 min for a 1.5 L sample of He to effuse through a porous membrane. How long would it take fo...

Solved • Feb 12, 2016

Effusion

Q. The mass of particle A is 10% larger than that of particle B. If particle B travels 100m during effusion, how far would particle A travel during ef...

Solved • Feb 12, 2016

Effusion

Q. A sample of N2 gas is contaminated with a gas (A) of unknown molar mass. The partial pressure of each gas is known to be 200 Torr at 25°C. The gase...

Solved • Feb 4, 2016

Effusion

Q. Exactly 10 mL, of gas A (MM = 15.0 g/mol) effuse through an opening in 2.0 sec. Exactly 10 mL of gas B effuse through the same opening in 8.0 sec. ...

Solved • Feb 4, 2016