The average molecular speed in a sample of NH3 gas at a certain temperature is 628 m/s. The average molecular speed in a sample of O2 gas is m/s at the same temperature.

Q: The average molecular speed in a sample of  o2 gas at a certain temperature is 448 m/s. The average…

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Q: If 5.0 moles of O2 and 3.0 moles of N2 are placed in a 30.0 L tank at a temperature of 25° C, what…

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Q: The molar volume of a sample of a gas at 353 Kand 100. atm is 0.204 L mol. At these conditions,…

A: Given that : The molar volume of the gas (Vmolar) = 0.204 L/mol The temperature of the gas (T) = 353…

Q: The average molecular speed in a sample of CH4 gas at a certain temperature is 643 m/s. The average…

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Q: What volume does the gas occupy

A: According to the Boyle's Law " at constant temperature , pressure is inversely proportional to the…

Q: A 20.0-L gas cylinder contains 4.80 g H2at 258C. What is the pressure of this gas?

A: Moles of H2 gas , n = mass molar mass = 4.802= 2.40 mol  Temperature , T = 258 + 273.15 = 531.15 K…

Q: A mixture of neon and hydrogen gases, at a total pressure of 775 mm Hg, contains 1.80 grams of neon…

A: The total pressure of the mixture of neon and hydrogen gases = 775 mm Hg The number of grams of Ne =…

Q: What pressure does a 10.0 g sample of N2 gas exert in a 3.00 L container if the average speed of the…

A: Here N2 will act as ideal gas.

Q: Is the rate of effusion of a gas higher than, lower than, or equal to its rate of diffusion?…

A: Diffusion of a gas is a phenomenon by which the molecules of gases mix gradually because of the…

Q: A mixture of nitrogen and carbon dioxide gases, at a total pressure of 836 mm Hg, contains 2.18…

A: Given- Total pressure of mixture = 836 mmHg Mass of nitrogen = 2.18 g Mass of carbon dioxide = 9.48…

Q: Consider separate 1.0-L gaseous samples of H, Xe, Cl, and O, all at STP. a. Rank the gases in order…

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Q: A mixture of methane and helium gases, at a total pressure of 958 mm Hg, contains 1.90 grams of…

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Q: average molecular speed in a sam

A: Average molecular speed is inversely proportional to square root of the molar mass. It is:

Q: A sample of xenon gas occupies a volume of 9.01 L at 477 K. If the pressure remains constant, at…

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Q: Which of the following assumptions is or are valid based on kinetic molecular theory? I. Gas…

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Q: A 725 mL sample of helium gas has a pressure of 205 torr. What is its volume when the pressure is…

A: According to Boyle's law P1V1 = P2V2 = Constant ( At constant Temperature)or P1P2 = V2V1By apply…

Q: Which of the following is not an assumption of the kinetic molecular theory for a gas? a. Gases are…

A: The correct answer of above question is given in step 2

Q: A gas sample weighing 19.66 g occupies a volume of 7.85 L at STP. What is the molar mass of this gas…

A: The ideal gas equation is given as:

Q: A sample gas at 1.3atm of pressure is in a 2.0 L container. What will the pressure be ig the sample…

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Q: The average molecular speed in a sample of O3 gas at a certain temperature is 354 m/s. The average…

A: Given data: Average Molecular speed of O3 = 354 m/s Molar mass of CH4 = 16.0 g/mol. Molar mass of O3…

Q: B. In the following graphs, velocity represents the molecular speed, Velocity (m/s) (i) If the plot…

A: Ideal gases are hypothetical gases which do have real existence. A gas can behave ideally at low…

Q: 1. What are the three assumptions of the kinetic theory as it applies to gases?

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Q: A sample of NO2 gas has a volume of 1.50 L at 23 oC. What volume, in L, will this gas occupy at 123…

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Q: A 3.21 L sample of nitrogen gas, N2, contains 0.254 mol of nitrogen, N2. If nitrogen is added to the…

A: Avogadro's Law :-  It states that, volume is directly proportional to number of moles of gas at…

Q: What are the basic postulates of kinetic molecular theory? How does the concept of pressure follow…

A: The kinetic molecular theory of gases can be stated as four postulates. 1) A gas consists of…

Q: A mixture of helium and methane gases, at a total pressure of 698 mm Hg, contains 0.480 grams of…

A: Partial pressure of gas is defined as the contribution of that gas towards total pressure of the…

Q: A 2.4 L sample of a gas at fixed mass and constant temperature exerts a pressure of 1.2 atm. What…

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Q: Consider three identical flasks filled with different gases. Flask A: CO at 760 torr and 0°C Flask…

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Q: If 4.27 g Ar are added to 3.96 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

A: Temperature = 27.0 °C = 27.0 + 273.15 =300.15 K Volume = 2.00 L Pressure of He = 3.96 atm Mass of Ar…

Q: If 3.87 g Ar are added to 2.64 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

A: The number of moles of argon is calculated as follow 1 mole of argon = 39.95 g X mole of argon =…

Q: A sample of N2 gas occupies a volume of 375 mL at 25 degrees Celsius and a pressure of 1.0 atm.…

A: Given;

Q: A sample of xenon gas occupies a volume of 8.94 L8.94 L at 435 K. If the pressure remains constant,…

A: Initial volume, V1 = 8.94 L Initial temperature, T1 = 435 K Final volume, V2 = 5.76 L Final…

Q: Consider three 1-L flasks each containing a gas at STP. Flask A contains NH3 gas, flask B contains…

A: The ideal gas equation is as follows,                                                    P V = n R T…

Q: The average molecular speed in a sample of SO2 gas at a certain temperature is 312 m/s. The average…

A: Given, average molecular speed of SO2 gas is ---- 312 m/s. What is the average molecular speed of Kr…

Q: The average molecular speed in a sample of N2 gas at a certain temperature is 522 m/s. The average…

A: The temperature of N2 and O3 are same. Then, using Grahams Law the molecular speed of O3 gas is…

Q: A sample of xenon gas occupies a volume of 7.38 L at 459 K. If the pressure remains constant, at…

A: Given, Initially Volume (V1) = 7.38 L Temperature (T1) = 459 K Initially Volume (V2) = 4.20 L…

Q: Consider three 1-L flasks at STP. Flask A contains NH3 gas, flask B contains NO2 gas, and flask C…

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Q: A 22.4 L sample of a gas is heated from 15 °C to 78 °C. What volume (mL) does the gas occupy at the…

A: According to Charles's law the volume of an ideal gas is directly proportional to temperature at…

Q: Which of the following assumptions are made by the kinetic molecular theory of gases? I. Gas…

A: in this question find out the correct option for kinetic theory of gasses

Q: If molecules of H2 (molar mass = 2), O2 (molar mass = 32), and N2 (molar mass = 28) are all placed…

A: Given gases are H2, O2, and N2.

Q: A sample of nitrogen collected in the laboratory occupies a volume of 725 mL at a pressure of 0.971…

A: The volume of the sample of nitrogen gas, V1=725 mL The pressure of the gas, P1=0.971 atm The final…

Q: A sample of xenon gas occupies a volume of 7.36 L at 403 K. If the pressure remains constant, at…

A: The expression for the determination of the final temperature at a constant pressure is shown below,…

Q: It is the gas with the greatest density at STP among the following gases. A.O2 B.NH3 C.H2 D.Ne

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Q: The average molecular speed in a sample of AR gas at a certain temperature is 432 m/s. The average…

A: Average speed is related to temperature ( T )  and molar mass of the gas ( M ) by the expression

Q: If 1.27 g Ar are added to 1.17 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

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Q: The average molecular speed in a sample of O2 gas at a certain temperature is 447 m/s. The average…

A: The given problem can be solved by using the average molecular speed formula as; Average molecular…

Q: Which of the gases shown here will exert the highest pressure, assuming that each container has the…

A: ideal gas equation PV = nRT  p=pressure v=volume T=temperature  n=number of moles of gas  R= gas…

Q: A mixture of neon and nitrogen gases, at a total pressure of 889 mm Hg, contains 3.54 grams of neon…

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Q: A 0.47 mol sample of O2 gas at 110C has a pressure of 760 torr. What is the volume of gas?

A: Ideal gas equation, PV= nRT  where, P = pressure of the gas V = volume of the gas  n = number of…