A gas made up of atoms escapes through a pinhole 1.82 times as fast as Xe gas. Write the chemical formula of the gas.

Q: The partial pressures of CH4, N2, and O2 in a sample of a gas mixture were found to be 123 mmHg, 505…

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Q: ) A tank contains nitrogen N2 at an absolute pressure of 2.5 atm. What will be the pressure of an…

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Q: an air sample in the  lungs contains oxygen at 93mmHg, nitrogen at 565 mmHg, carbon dioxide at 38…

A: This question can be solved on the prior knowledge of the Daltons Law of Partial Pressure. It states…

Q: What is the mole fraction of oxygen in a gas mixture that is 37% oxygen and 63% nitrogen by volume?

A: Answer: 0.37

Q: Which depends on the rate of effusion of a gas? O volume of new area O molar mass O gas density O…

A: Effusion is the process by which gas molecules escapes from a container through a very small hole…

Q: What volume (in L) does a 1.34 g  sample of chlorine gas occupy at SATP?

A: Ideal gas equation is equation which obeys gas law under all conditions of temperature and pressure.

Q: Since helium is lighter than air, it is difficult to measure the mass of a sample, so to find out…

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Q: What final pressure must be applied to a sample of gas having a volume of 200. mL at 20.0°C and 750.…

A: Initial volume = 200 ml  Initial temperature = 20°C   Initial pressure = 750 torr Final volume = 600…

Q: Illustrate the features of Partial Pressure of Gases?

A: If a mixture of gas is taken in a system then, each gas will exert a force and this individual force…

Q: A mixture of xenon and nitrogen gases at a total pressure of 927 mm Hg contains xenon at a partial…

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Q: What volume of oxygen gas is required to completely react with 30.0 L of hydrogen gas, assuming all…

A: Solution:- Final answer:- x = 15.0 L of O2 The responding proportion appeared by the coefficients…

Q: A gas mixture composed of helium and argon has a density of 0.670 g/L at a 755 mmHg and 298 K. What…

A: Any unknown variable like volume (V), moles (n), or pressure (P) get evaluated through the…

Q: An organic chemist isolates a colorless liquid from a petroleum sample. She uses the Dumas method…

A: Given- Volume (V) of flask=213 mL Temperature =100.0°C Pressure=754 torr Mass of flask+gas=78.416 g…

Q: Calculate the density of sulfur hexafluoride gas at 703 torr and 21 °C. Express the density in grams…

A: Given, Gas = sulfur hexafluoride pressure =703 torr temperature =21°C=(21+273)K=294 K

Q: Calculate the molar mass of a gas that has a density of 1.70 g/L at STP

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Q: The total pressure of a mixture of 64.0 g of oxygen and 10.0 g of hydrogen contained in a 10.0 L…

A: Given :-  Mass of oxygen = 64.0 g  Mass of hydrogen = 10.0 g  Volume = 10.0 L  Temperature = 200°C…

Q: Consider the following samples of gases: If the three samples are all at the same temperature,…

A: The moles of gases present in the three samples are: At constant temperature and volume, the…

Q: 3. The molecular mass of propane is 44 g/mol. What is the mass of one liter of propane at STP?

A: According to the company guidelines, we have to answer only the first question. So, please kindly…

Q: What is the density in g/L of Ar gas at STP?

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Q: 8. How many moles of argon atoms are present in 15.7 L of argon gas at STP?

A: Given values, at STP, Volume of Ar= 15.7 L  We know the molar volume at STP = 22.4L/mol

Q: if 2.00 moles of NO gas occupies 10.00L at 22.0 Celcius, what is the pressure of the gas in…

A: Given  Number of mole ( n ) = 2 mole  Volume ( V )         = 10 Liter  Temperature ( T )  = 22 ℃…

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: the pressure of Penguinite gas (MM = 85.1 g/mol) is measured to 800. torr at 35 ° calculate its…

A: Temperature = 35°C = 308.15 K Pressure = 800 Torr Molar mass = 85.1 g/mol Density = ? Ideal gas…

Q: What volume would 1.84×1023 molecules of an ideal gas occupy at STP?

A: STP is Standard Temperature and Pressure, where temperature, T = 273.15 K and pressure, P = 100 kPa…

Q: A mixture of xenon and hydrogen gases at a total pressure of 965 mm Hg contains xenon at a partial…

A: Given-> Total pressure (P) = 965 mmHg Partial pressure of xenon (Xxe) = 313 mmHg Weight of Xe =…

Q: If equal amounts of the four inert gases Ar, Ne, Kr and Xe are released at the same time at one end…

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Q: Choose a depiction of a gas sample containing equal molar amounts of argon and xenon as described by…

A: The relation between velocity and the molar mass of a gas is given in equation (1).

Q: We find that a mass of 0.896 g of a gaseous compound, containing only nitrogen and oxygen, occupy a…

A: By help of Ideal gas equation, we can calculate the molar mass of given compound , we use Following…

Q: The total pressure exerted by a mixture of He, Ne, and Ar gases is 2.00atm.  What is the partial…

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Q: A sample of argon gas collected at a pressure of 546mmHg and a temp of 277k has a mass of 37.0…

A: Pressure =546 mmHg=(546/760) atm=0.718atm Temperature =277 K Mass= 37.0 grams Volume=?

Q: A tank contains nitrogen N2 at an absolute pressure of 2.5 atm. What will be the pressure of an…

A: You have given - Pressure of N2 gas = 2.5 atm equal mass of both gas. Same container hence equal…

Q: A 2.43 L volume of hydrogen measured at −150. °C is warmed to 100.°C. Calculate the volume (in L) of…

A: Given: Initial Volume V1 = 2.43 L Initial Temperature T1 = -150 oC= 123 K Final Temperature T2 = 100…

Q: A 334-mL cylinder for use in chemistry lectures contains 5.225 g of helium at 23 °C. How many grams…

A: Given,Mass = 5.225 gMolar mass of helium is = 4.0 g/molVolume = 0.334 LTemperature = 23 oC = 273.15…

Q: A mixture of oxygen and chlorine gases contains twice as much oxygen (by mass) as chlorine. Ifthe…

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Q: Calculate the density of hydrogen gas (in g/L) at 899 mmHg and 42.4 °C. ______ g/L

A: According to ideal gas law PV = nRT Where , P = pressure V = volume n = moles of gas R = gas…

Q: define and explain the ideal gas law and avogadro's law in its simplest form

A: Ideal gas law  There are various ways to derive the Ideal Gas Law, but the simplest way is to use…

Q: Calculate the density of Xenon gas at a pressure of 742 mmHg and a temperature of 450C. The molar…

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Q: If 8.278 x 10-4 moles of gas X effuses through a hole in 86.9 seconds and 1.740 x 10-4 mol of Ar…

A: The rate of unknown gas, r1 = 8.278 x 10-4 moles /86.9 s = 9.5 x 10-6 moles/s The rate of argon gas,…

Q: Calculate the density of HBr gas in g/L at 733 mmHg and 46°C.

A: Given that:  P = 733mmHg = 733mmHg×1atm/760mmHg = 0.9645atm T = 46°C = 46°C + 273 = 319K  Molar mass…

Q: What volume would 1.75×1023 molecules of an ideal gas occupy at STP?

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Q: The mass of 1.12 L gas at STP is found to be 6.23 g. What is the molar mass of gas Y ?

A: Given data is: Volume of gas = 1.12 L  Given mass = 6.23 g The procedure to finding the molar mass…

Q: A sample of carbon dioxide occupies a volume of 6.70 litres at 105 kPa pressure. What pressure would…

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Q: What is the mass (in g) of a 28.2 L sample of carbon dioxide gas at a temperature of 30.0 oC and a…

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Q: The molecular weight of a gas that has a density of 6.75 g/L at STP is __________ g/mol.

A: At stp pressure is one atm

Q: A sample of Carbon dioxide occupies a volume of 3.50 Liters at 125 kPa pressure. What pressure would…

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Q: 2. A sample of argon gas at STP occupies 56.2 liters. Determine the number of moles of argon and the…

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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: Calculate the density of xenon gas at a pressure of 742 mmHgmmHg and a temperature of 45 ∘C

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Q: Calculate the final pressure in torr when the volume of a gas 750 ml at 29.7psi is released into a 2…

A: From Boyle’s Law that states that at a constant temperature the pressure of the given mass of an…