The order of magnitude of the number of air molecules in a room of volume 50 m³ at STP is 1027 1020 1029 1030
Q: Two moles of an ideal gas are placed in a container whose volume is 3.1 x 10-3 m3. The absolute…
A: number of moles, n = 2 Volume, V = 3.1 x 10-3 m3 Pressure, P = 5.5 x 105 Pa
Q: Two containers of equal volume each hold samples of the same ideal gas. Container A has twice as…
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Q: Consider an oxygen tank used for a mountaineering expedition. The mass of one molecule of oxygen is…
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Q: The RMS speed of a Hydrogen molecule (H2) at a temperature of 158°C is (in m/s):
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Q: A tank contains gas molecules of mass m and temperature T. Determine : (a) The average speed of the…
A: a) avarage speed V = √(8RT/πM) b) since due to random motion plaeticles of molecule moves in all…
Q: The average kinetic energy of a gas molecule at 100°C is:
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Q: Suppose the amount of air in a person's lungs is 1.9 L. Calculate the number of moles of air…
A: We assume that air is an ideal gas . Now we will use ideal gas equation that is PV= nRT ,where P is…
Q: A certain mass of gas in a closed container is heated from 100°C to 5000°C. Which of the following…
A: By ideal gas law we have, PV =nRT For constant volume, P1/P2 = T1/T2 where, P1 and P2 are initial…
Q: Copper has a coefficient of linear expansion of 1.7 x 10^-5 K'1, If a cube made of copper has…
A: Coefficient of linear expansion of copper (α) = 1.7×10-5 k-1Dimensions of cube made of copper = 1 cm…
Q: The average speed of air molecules in your room is on the order of the speed of sound. What is their…
A: We must determine the average air molecule speed in a space and demonstrate that it is comparable to…
Q: Consider an oxygen tank used for a mountaineering expedition. The mass of one molecule of oxygen is…
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Q: 2.52 moles of an ideal gas are placed in a container whose volume is 8.17 x10−3 m3. The absolute…
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Q: Four tanks A, B, C, and D are filled with monatomic ideal gases. For each tank, the mass of an…
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Q: Two moles of an ideal gas are placed in a container whose volume is 6.8 x 10-3 m3. The absolute…
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Q: What is the average translational kinetic energy of 1 molecule of monatomic ideal gas that has a…
A: temperature = T = 50 degree celsius T = 50 + 273 = 323 K Boltzmann constant…
Q: Q. 18 : The speed of molecules are given by 2 m/s, 3 m/s, 4 m/s, 5 m/s, and 6 m/s. The mean square…
A: Given, Let the speed of molecules are given by v1 = 2 m/s v2 = 3…
Q: In intergalactic space (space between galaxies) there is approximately 1 atom in each cubic…
A: We know the ideal gas law: PV = NkBT where P is the absolute pressure of a gas, V is the volume it…
Q: Calculate the temperature T of a sample of gas when the average translational kinetic energy of a…
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Q: 10²⁰ molecules of an ideal gas strike a wall for one second at an angle of 30° against the normal…
A: Given the average velocity of the molecule is c_=2×103m/s mass of the molecule M=213.6×10-29kg If…
Q: If three molecules have velocities 0.5,1,2km/s respectively, calculate the ratio of the root mean…
A: Let the velocities of the three molecules be denoted as v1, v2 and v3.Let the root mean square…
Q: A cylinder contains a mixture of helium and argon gas in equilibrium at 148°C. (a) What is the…
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Q: 10²⁰ molecules of an ideal gas strike a wall for one second at an angle of 30° against the normal…
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Q: The gauge pressure of gas in a balloon decreases from 0.40 × 105 N/m2 to 0.30 × 10 5 N/m2 while the…
A: Given:- The gauge pressure decreases from P1 = 0.40 x 105 N/m2 to P2 = 0.30 x 105 N/m2 The…
Q: The mean free path for a certain gas is 2.18×10−7 m. and the radius of an atom of said gas is…
A: given: mean free path l = 2.18*10-7 mradius of atom r = 1.11*10-11 m
Q: The average kinetic energy of all the molecules is assumed to be: A inversely proportional to the…
A: The average kinetic energy of all the molecules is assumed to be directly proportional to the…
Q: 10²⁰ molecules of an ideal gas strike a wall for one second at an angle of 30° against the normal…
A: Given, Number of molecues=1020 Angle of collision is 30o Mass is m=213.6×10-29kg Area is A=4cm2…
Q: Initially, pressure and volume of air in the syringe are 120 kPa and 11.2 mL respectively. If the…
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Q: Which of the following shows the correct relationship among these three parameters: the total mass m…
A: In this problem, it is asking about the relation in mass, molar mass and number of moles.
Q: The total translational kinetic energy of the molecules of a sample of gas at 451 K is 39500 J. How…
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Q: A helium filled weather balloon has a volume of 3.0 m3 at lift off where the air pressure is 1 atm…
A: GIVEN: Volume , V1=3.0 m3 Air pressure , P1=1 atm Temperature , T1=20°C=293 K V2=120…
Q: At what temperature is the average speed of carbon dioxide molecules (M = 44.0 g/mol) 510 m/s?
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Q: An air bubble has a volume of 1.55 cm3 when it is released by a submarine 105 m below the surface of…
A: Answer The expression for the pressure on the bubble in the water is P1= Patm + Pliq Pliq = ρgh…
Q: Calculate the temperature T of a sample of gas when the average translational kinetic energy of a…
A: given that Average translational kinetic energy=8.23 x 10-21 J Average translational kinetic energy…
Q: Oxygen (O2) gas at 273 K and 1.0 atm is confined to a cubical container 10 cm on a side. Calculate…
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Q: The viscosity (η) of a gas depends on its mass, effective diameter, and average molecular velocity…
A: viscosity of helium = 2 * 10-5 kg/ms viscosity of methane = 1.1 * 10-5 kg/ms effective diameter of…
Q: The gas inside a vessel with a moveable piston is cooled. When it is done shrinking, which of the…
A: A gas inside a vessel with a movable piston is cooled. When it is done shrinking, which of the…
Q: An air bubble has a volume of 1.60 cm3 when it is released by a submarine 115 m below the surface of…
A: Given Initial volume of air bubble = 1.60 cm3 Air bubble released by a submarine 115 m below the…
Q: There are 1.5 times as many molecules as Avogadro's number at a temperature of 1.5°C inside a sealed…
A: Given Number of moles =1.5 T = 273+1.5 = 274.5 K
Q: If you double the typical speed of the molecules in a gas, by what factor does the pressure change?…
A: The expression for the average speed of a gas molecule, From the above equation, the temperature…
Q: The total translational kinetic energy of the molecules of a sample of gas at 455 K is 10500 J. How…
A: Calculate the number of moles y using the expression of total translational kinetic energy of the…
Q: Total lung capacity of a typical adult is approximately 5.0 L. Approximately 20% of the air is…
A: The expression for ideal gas law, PV=nRTTherefore, in terms of n,n=PVRT
Q: When the number density of gas molecules increases, there is a decrease in their mean free path.
A: The average distance between two successive collisions is the mean free path . it is denoted by l.
Q: What is the average distance between air molecules at standard temperature and pressure (0°C and 1…
A: Answer If you assume air is an ideal gas then one mole occupies V= nRT/P The density if air is very…
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