The mass density of a gaseous compound was found to be 1.23 kg m−3 at 330 K and 20 kPa. What is the molar mass of the compound?

Q: What volume of oxygen at 423.0 K and a pressure of 127.4 kPa is produced by the decomposition of…

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Q: Calculate the average molecular weight of air by mole fraction and mass fraction from its…

A: Mole fraction is ratio of the mole of the substance to the total no. Of moles present in the…

Q: Suppose a barometer were designed using water (with adensity of 1.00 g cm-3) rather than mercury as…

A: Relation between pressure and density is, P= d.g.h Where, P=pressure, d=density, g=gravitational…

Q: If the partial pressure of N2 is 3.50 x 105 Pa and the partial pressure of Ne is 3.75 x 105 Pa in a…

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Q: a) At what pressure does the mean free path of argon at 20 °C become comparable to the diameter of a…

A: a). First we have to find the diameter of container, The volume of a spherical container V is given…

Q: Calculate the partial pressure in [bar] of N; in air consisting of N3, Oz, and Ar assuming that the…

A: Answer: This question is based on the density form of ideal gas equation which is shown below:…

Q: What partial pressure of hydrogen results in a molarconcentration of 1.0 mmol dm3 in water at 25 oc?

A: Given data: Molarity of solution = 1 mmol/dm3 = 0.001 mol/L Temperature = 25oC  Formula used:…

Q: What is the equivalent of 6.2 x 104 ppm in %w/v ?

A: Parts per million(ppm) can be expressed as millligrams per litre of solution . %w/v can be expressed…

Q: A vessel of volume 22.4 dm3 contains 2.0 mol H2 and 1.0 mol N2 at 273.15 K. Calculate (a) their…

A: (a) According to unit conversion, 1 L is equivalent to 1 dm3. So, 22.4 dm3 is equivalent to 22.4 L.…

Q: H)2+C,H, Each day 1.00 x 106 grams of calcium carbide are used and 3.60 x 10 dm3 of ethyne gas,…

A: Given, 1mol CaC2 = 64.099 g of CaC2 1mol C2H2 = 22.4 L (at room temperature) Theoretical Volume of…

Q: Calculate the mean speed of atoms of argon in a gas at 25oC if the mean speed of neon under these…

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Q: A methane, CH4, molecule may be considered as spherical, with a radius of 0.38 nm. How many…

A: Given information: The radius of methane molecule sphere = 0.38 nm…

Q: At what temperature will 5g of f2 exert a pressure of 120kpa at a volume of 0.75L?

A: By help of Following Ideal Gas formula, we can determine the temperature of the Fluorine gas (F2) -…

Q: A containing 138 cm ^ 3 of hydrogen was collected under a pressure of 25.6 kPa What pressure would…

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Q: If the partial pressure of N2 is 1.40 x 105 Pa and the partial pressure of Ne is 4.50 x 105 Pa in a…

A: Given: Partial pressure of  N2 = 1.40 x 105 Pa Partial pressure of Ne is 4.50 x 105 Pa

Q: Why must the diffusion of gases into or within liquids be presented in terms of partial pressures…

A: Diffusion means two or more particles are intermixed with each other. Example: The gases particles…

Q: (C) A student prepares a solution of sodium sulfate. Na,SO,, by adding 6.25 x 10 moram sururnc acid,…

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Q: Nickel carbonyl, Ni(CO)4, is one of the most toxic substancesknown. The present maximum allowable…

A: Since volume of the room = 12 ft x 20 ft x 9 ft = 2160 ft3  Since 1 ft3 = 28.3168 L Hence 2160 ft3 =…

Q: 3. At what temperature in kelvin is the root mean square speed of helium atoms (atomic weight =…

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Q: At 100 °C and 16.0 kPa, the mass density of phosphorus vapour is 0.6388 kg m−3. What is the…

A: Given: The temperature and pressure of vapors of phosphorus is 100.0°C and 16 kPa, respectively. The…

Q: It took 6.3 minutes for 25 mL of argon to reach the end of an effusion tube with a porous barrier.…

A: This question is based on Graham's law of effusion, which states that the lighter molecules will…

Q: Calculate the collision frequency, z, and the collision density, ZAA in carbon monoxide, = 260 pm,…

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Q: flask containing 137 cm3 of hydrogen was collected under a pressure of 22 kPa. What pressure would…

A: Boyle's law : According to Boyle's law, At constant temperature, Pressure varies inversely with the…

Q: 3C. Restate the assumptions of the kinetic molecular theory.

A: The kinetic theory of gasses is an model of the thermodynamic behaviour of the gasses .It explain…

Q: 1.1(a) (a) Could 131 g of xenon gas in a vessel of volume 1.0 dm³ exert a pressure of 20 atm at 25°C…

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Q: A vessel of volume 22.4 dm3 contains 2.0 mol H2(g) and 1.0 mol N2(g) at 273.15 K. Calculate (i) the…

A: (i) The mole fraction of hydrogen gas (χH2) is calculated as shown below where nH2 and nN2 are the…

Q: Under which conditions would you expect argon to behave ideally? In 150 K, 100 kPa or in 400 K, 100…

A: Generally a gas behave like ideal gas when intermolecular forces are less significant compare to…

Q: A laboratory vacuum pump can generate a vacuum of about 1 nTorr at 27°C. Assuming that air consists…

A: Given data: Temperature (T) = 27o C = 273 + 27 = 300K Diameter (d) = 395 pm = 395 x 10-12 m Pressure…

Q: A determination of the density of a gas or vapour can provide a quick estimate of its molar mass.…

A: The ideal equation for gas is given by,                                               PV = nRT…

Q: How many grams of ammonium nitrite must have reacted if 4.00 dm^3  of nitrogen gas was collected…

A: Ideal gas is a gas which have no definite volume and interact via elastic collisions. There is…

Q: The diameter of an Xe atom is 216 pm. What is the mean free path in nm of 0.75 mol Xe confined in 7…

A: Given Values: The diameter of Xe atom is 216 pm The mole of Xe is 0.75 and volume is 7 L and…

Q: Much to everyone"s surprise. nitrogen monoxide (NO) has been found to act as a neurotransmitter. To…

A: The combination of Boyle's law, Charles's law and Avogadro's law gives an equation which indicates…

Q: A vessel of volume 22.4 dm3 contains 1.5 mol H2(g) and 2.5 mol N2(g) at 273.15 K. Calculate (i) the…

A: The mole fraction is equal to the ratio of the number of moles of the given substance to the total…

Q: 5.) The density of a gaseous compound was found to be 1.23 kg m3 at 330 K and 20 kPa. What is the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: flask containing 152 cm3 of hydrogen was collected under a pressure of 20.6 kPa. What pressure would…

A: We have give that Initial volume of gas = V1 = 152cm3  Initial pressure of gas = P1 = 20.6Kpa  Final…

Q: The mercury in a barometer of a cross sectional area 1cm² stands at 75cm, and the space above it is…

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Q: A flask containing 161 cm ^ 3 of hydrogen was collected under a pressure of 29.5 kPa. What pressure…

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Q: 4. The density of a gaseous compound was found to be 1.23 kg/m 3 at 330 K and 20 kPa. What is the…

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Q: 2. The parameter "a" in the Van der Waals equations (a) the strength of the attractive forces…

A: Step 1) The Vander wall equation of state is an equation of state which generalize the ideal gas…

Q: Knowing that the variation in the Earth's atmosphere is given by p = p0e^-Mgy/RT where we consider…

A: The ideal gas equation is  PV =n RT where, P is the pressure of a gas   V is the volume of a gas   n…

Q: The rate of effusion of CO2 gas through a porous barrier is observed to be 2.23 x 104 mol/h. Under…

A: Here Graham's law will be used as per which the rate of effusion of any gas will be proportional to…

Q: The mass density of phosphorus vapor is 0.6388 kg m-3 at 100°C and 1.60 kPa, which corresponds to a…

A: Solution - Mass density - The mass density of an object is defined as its mass per unit volume. Mass…

Q: The mole fraction of krypton in dry air near sea level is 0.00000114, where the molar mass of…

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Q: Estimate the coefficients a and b in the Dieterici equation of state from the critical constants of…

A: The dielectric equation equation for the pressure is p=R×t×e-aR×T×VmVm-b              (1)the…

Q: Calculate the root-mean-square speed of Ne atoms at the temperature at which their average kinetic…

A: Given :-  Average kinetic energy of Ne = K = 4.33 kJ/mol = 4330 J/mol  Root mean square speed of Ne…