The molecular diameter of CO is 3.19 x 10-8 at 300K and pressure of 100 mmHg. What is the mean free path of the gas in cm? Ans 6.86 x 10-9

Q: The root-mean-square speed of a gas is found to be 488.8 m/s at -14.3°C. What is the identity of the…

A: The molar mass of the gas can be used to identify the gas and the root mean square speed can be…

Q: Which one of the following gases would have the highest average molecular speed at 25 °C? Select…

A: The average molecular speed,<c> is given by the formula : <c> = (8RT/πM)1/2 R = Gas…

Q: Q3 A what is the density, in gll, of carbon dioride at gas 43°C and 392 torr? A Sample of an unknown…

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Q: What is the ratio of rms (root-mean-square) molecular speed of H2 gas (2 g/mol) at 0°C to rms…

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Q: Which gas has molecules with the greatest average molecular speed at 25°C? Select one: а. Kr b. CH,…

A: The question is based on the concept of gaseous state . we have to identify which of the given gas…

Q: When an evacuated 63.8-mL glass bulb is filled with a gas at 22°C and 747 mmHg, the bulb gains…

A: Given: Formulas that are used in this problem are,

Q: A gas occupies a volume of 200 cm3 at 0 °C and 760 mmHg. What volume will it occupy at 100 °C and…

A: The gaseous state is the state of matter with least intermolecular force of attraction between…

Q: What is the ratio of rms (root-mean-square) molecular speed of H2 gas (2 g/mol) at 0°C to rms…

A: The root mean square speed,vrms : Urms = (3RT/M)1/2 R = Gas constant T = Temperature M = Molar mass…

Q: An oxygen gas sample occupies 50.0 mL at 27 °C and 765 mm Hg. What is the final temperature if the…

A: Given details, Initial pressure (P1) = 765 mm Hg Final pressure (P2) = 455 mm Hg Initial volume (V1)…

Q: The volume of a sample of helium is 4.5ml at 20C and 203kpa, what will its volume be at 10C and…

A: Given data,Initial volume(V1)=4.5mL=0.0045LInitial Temperature(T1)=20oC=293KFinal volume(V2)=?Final…

Q: Uranus is much larger than Earth, with a surface area of 8.10 × 1015m2with an atmosphere of…

A: The mass per unit area of the atmosphere of Uranus can be calculated by dividing its atmospheric…

Q: Which gas has molecules with the greatest average molecular speed at 25°C? Select one: а. Kr b. CH4…

A: The question is based on concept of kinetic molecular theory of gases. We have to identify the gas…

Q: hat is the RMS velocity of a mole of Carbon atoms in a gas at a temperature of 286.29 degrees…

A: Given : Temperature = 286.29K

Q: 195 mL gas was collected over water at 25 Cand 753 mm of Hg. What mass of H was collected?

A: An ideal gas refers to a gas which is composed of particles that move randomly  just like all other…

Q: What is the ratio of rms (root-mean-square) molecular speed of H2 gas (2 g/mol) at 0°C to rms…

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Q: A chemist notices that a gas (measured to have a molar mass of 18.02 g/mol) diffuses approximately…

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Q: Pls help on both questions.

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: The average molecular speed in a sample of He gas at a certain temperature is 1.37x10° m/s m/s at…

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Q: 6. Carbon monoxide and carbon dioxide are at the same temperature. Which moves faster? 7. How does…

A: The  molecular mass of CO is 28.01 amu, whereas molecular mass of CO2 is 44.01 amu. The rate of…

Q: The following reaction forms 14.0 g of Ag(s): 2Ag2O(s)→4Ag(s)+O2(g)     Part A What…

A: The values are given as follows:

Q: An “empty” spray can contains residual propellant gas that has a pressure of 772 torr at 23oC.…

A: Given Information- initial pressure P1 = 772 torr initial temperature T1 = 23o C = 296.15 K final…

Q: A gas measures 1.75 L at -23°C and 150. kPa. would the gas occupy At what temperature 1.30 L at 210.…

A: Given :-  Initial pressure = 150.kPa Initial volume = 1.75 L Initial temperature = -23°C Final…

Q: 1. a) What are the rms-speeds V of the Oxygen and rms Nitrogen molecules at 20 degrees Celsius? M.=…

A: Answer for (1): Vrms refers to the rms value of the velocity. rms value of velocity refers to the…

Q: A gas occupies 40.5 L at 70.0 ⁰C and 25.0 kPa. What volume will it occupy at STP (101.3 kPa, 273 K)?

A: Volume can be calculated from combined gas law: P1V1/T1 = P2V2/T2  P1 = 25.0 kPa V1 = 40.5L T1 =…

Q: A 1.00 L volume of gas at 35.0 degrees Celcius exerts a pressure of 85.5 kPa. What will the pressure…

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Q: (1) The following gases were mixed and placed in a 10-L container at STP: 1.00g He, 0.50g Xe, and…

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Q: Which of the following gas samples have the greatest average molecular speed at 25°C? A) Kr B) CH,…

A: Average molecular speed (Cavg): The average speed of the molecule can be determined by using the…

Q: A sample carbon dioxide occupies a 3.52 dm3 container at STP.  What is the volume of the gas at a…

A: Given, Volume of gas , V1 =3.52 dm3  = 3.52 L At STP , Temperature , T1 = 273 K Pressure, P1 = 1 atm…

Q: The graph below shows the distribution of molecular velocities of four gases, NH3, O2, CO2 and Xe,…

A: In  the above question, distribution  curve of four gases are given. Four gases have different molar…

Q: What is the ratio of molecular speed of H2 gas (2 g/mol) at 0°C to molecular speed of O2 gas (32…

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Q: 720 mL of H2 gas at 0°C and 126.6 kPa is changed to S.T.P. What will be its new volume ?

A: The question is based on the concept of combined gas equation. we have been given initial conditions…

Q: A gas is collected at 22.0 °C and 745.0 mm Hg. When the temperature is changed to O°C, what is the…

A: Gay Lussac's Law :-  It states that, at constant volume the pressure of fixed mass of a gas is…

Q: C6H12O6(s) + O2(g) --> CO2(g) + H2O(g) What volume of oxygen gas, measured at 21°C and 1.136atm, is…

A: To solve this problem first we have to balance the chemical equation then using ideal gas equation…

Q: You are given 2.263 g of a mixture of KClO3 and KCl. When heated, the KClO3 decomposes to KCl and…

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Q: Compare, at the same temperature and pressure, equal volumes of H2 and O2 as to the following: (e)…

A: effusion is defined when gas molecule escape through a orifice having diameter of less than free…

Q: 5. An unknown gas diffuses 0.25 times as fast as He. What is the molecular mass of the unknown gas?…

A: According to the Graham's law of diffusion we get that rate of effusion of the gas is inversely…

Q: ut yet am ed Pntst f ragio Which of the following systems has the greatest root-mean-square (RMS)…

A: Correct answer is: Helium at 60 oC. RMS speed of gas,vrms =3RTMw  Lightest gas at highest…

Q: The density of NO2 in a 4.50 L tank at 760.0 torr and 25.0 °C is g/L. A 1.88 1.68 3.27 1.64 9.30

A: Given, Volume = 4.50 L  Temperature = 25.0°C  Pressure = 760.0 torr

Q: How many moles of CH4 gas would occupy 3.01 L at 101.3 kPa pressure and 30 C?

A: Given :-  Pressure of the gas = 101.3 kPa  Volume of the gas = 3.01 L  Temperature = 30 °C  To…

Q: Under identical conditions, how many moles of allene (C3H4) gas would effuse in 76.6 s?

A: Please see explanation

Q: What is the ratio of molecular speed of H2 gas (2 g/mol) at 0°C to molecular speed of O2 gas (32…

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Q: The pressure exerted by 4 mole of CO2 at 90°C when it occupies 1 Liters knowing that: a = 3.61 Patm…

A: d. 86.0 answer

Q: 13.A gas was found to have a density of 1.76 mg/mL at 24.0°C and a pressure of 98.8 kPa. What is its…

A: The molecular mass of a gas to be given, Given : Density=1.78 mg/mL Temperature=(240 C) 297 K…

Q: Calculate the pressure exerted by 9 kg of air at a temperature of 20°C if the volume is 0.8m3.…

A: Ideal gas equation, PV = nRT  P = pressure  V = volume  n = number of moles  R = universal gas…

Q: What is the pressure of a gas which started as 2.3 dm3 and 1.03 atm if it’s volume is changed to…

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Q: The density of NO2 in a 4.50 L tank at 760.0 torr and 25.0 °C is ________ g/L. A) 1.64 B) 9.30 C)…

A: Given  Volume ( V)   = 4.50 Liter  Temperature ( T )  =  25 ℃                               = ( 25 +…

Q: The molecules of a certain gas sample have a root-mean-square (rms) speed of 265 m/s. Calculate the…

A: Provided root mean square speed(Vrms)=265m/s By using the relationship between Vrms an Vmp we can…

Q: A gas measures 1.75 L at -23°C and 150 kPa. At what temperature would the gas occupy at 1.30 L and…

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