A mole of air molecules at room temperature and a pressure of 1.0 x 105 Pa has a volume of 0.021 m3. How fast do these air molecules move? (The average mass {M} of an air molecule is 4.8 x 10-26 Kg Avogadro constant NA= 6.0 x 1023 molecules per mol)

Q: If I have an unknown quantity of gas held at a temperature of 365 K in a container with a volume of…

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Q: The vapor pressure is the pressure of the vapor phase of a substance when it is in equilibrium with…

A: We are aware that the relative humidity is 60%, the temperature of the vapour is 20°C, the vapour…

Q: How many molecules are present in a sample of an ideal gas that occupies a volume of 2.60 cm3, is at…

A: It is given that,

Q: When you take a normal breath of air, you typically inhale 4.74 x10-4 m3 of air.  Assuming that the…

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Q: What is the molar mass of a gas if 1.30g of the gas has a volume of 255 mL at STP?

A: For ideal gas  PV = nRT Where P = Pressure of the gas, V = Volume of the gas, n = number of moles of…

Q: A particle starts from the origin at t= 0 and moves along the positive x axis. A graph of the…

A: Given data: The velocity of the particle vs=5 m/s

Q: A welder using a tank of volume 8.00×10-2 m³ fills it with oxygen (with a molar mass of 32.0 g/mol)…

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Q: A tube has a length of 0.043 m and a cross-sectional area of 6.5 x 10-4 m2. The tube is filled with…

A: Given data: Length of tube, L=0.043 m Cross-sectional area, A=6.5×10-4m2 Diffusion constant of…

Q: Consider an oxygen tank used for a mountaineering expedition. The mass of one molecule of oxygen is…

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Q: Suppose some nitrogen gas is contained in a cylinder whose volume is 0.00830 m³. The pressure in the…

A: Volume (V) = 0.00830 m3Pressure (P) = 3.44×106 Pascals Temperature (T) = 39oC = 312 Kelvin

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: There are 1.5 times as many molecules as Avogadro's number at a temperature of 1.7°C inside a sealed…

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Q: A liquid has a density p. (a) Show that the fractional change in density for a change in temperature…

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Q: An ideal gas has initial volume of 0.550 m3 and pressure of 9.65 x 104 Pa. (a) If the initial…

A: Volume, V = 0.550 m³ Pressure, P1 = 9.65×10⁴ Pa Initial temperature, T1 = 281 K Final temperature,…

Q: If I have an unknown quantity of gas at a pressure of 3.38 atm, a volume of 34.4 liters, and a…

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Q: When you take a normal breath of air, you typically inhale 4.43 x10-4 m3 of air.  Assuming that the…

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Q: When you take a normal breath of air, you typically inhale 4.91 x10-4 m3 of air.  Assuming that the…

A: ideal gas equation PV=nRt

Q: A hot air balloon uses the principle of buoyancy to create lift. By making the air inside the…

A: Let m be the mass of the air inside the balloon.

Q: An empty cylindrical canister 1.60 m long and 87.0 cm in diameter is to be filled with pure oxygen…

A: Solution:-Given thatlength of canister (l)=1.6 mdiameter (d)=87 cm=0.87 mTemperature…

Q: A container holds 0.479 m3 of oxygen at an absolute pressure of 4.69 atm and a temperature of 379 K.…

A: Given: Initial pressure, P1 = 4.69 atm final pressure, P2 = 1.49 atm temperature, T = 379 K initial…

Q: A room with dimensions 7.00 m x 8.00 m x 2.50 m is filled with pure oxygen at 22.00C and 1.00 atm.…

A: Given data *The volume of the room is V = 7.00 m x 8.00 m x 2.50 m = 140 m3 *The given pressure is P…

Q: cylinder is closed by a piston connected to a spring of constant 2.40 x 103 N/m. With the spring…

A: This is a problem regarding the transformation of an ideal gas. The ideal gas equation is:…

Q: Oxygen gas having a volume of 1050 cm3 at 35.8°C and 1.05 x 105 Pa expands until its volume is 1630…

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Q: If 6.07 moles of an ideal gas has a pressure of 8.00 x 10 Pa and a volume of 0.113 m³, what is the…

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Q: A container is in the shape of a cube with length 48 cm on each edge. It contains air at an absolute…

A: According to the ideal gas equation PV = nRT              ....................(1) Where P = Pressure…

Q: A patient has suffered blood loss and a health care provider is preparing a saline solution for…

A: see the images below for detailed answer a) n = 0.5618molb) n(net) = net osmotic pressure =…

Q: Oxygen gas having a volume of 1000 cm³ at 26.8°C and 1.04 x 105 Pa expands until its volume is 1870…

A: For ideal gas             PV=nRT                 where P= Pressure…

Q: The mass of a hot-air balloon and its cargo (not including the air inside) is 180 kg. The air…

A: in equilibrium net force is zero Fnet=Fair+Fballon-B=0 B=dVg B= bouyancy force  V= volume of…

Q: In an electrochemical cell, a metal anode lost 0.287 g while a total volume of 0.04651 L of hydrogen…

A: The pressure of Hydrogen will be = 765.9 - 23.88 = 742.02 mm / hg = 0.976 atm Nuclear Mass of…

Q: an ideal gas has an initial volume of 0.270 m^3 and pressure of 9.50 x 10 ^ 4 PA. if the initial…

A: Here, given data is as following  Volume (V) = 0.270 m^3  Pressure(P) = 9.5*10^4 Pascal…

Q: The diffusion constant for a substance in water has a value of 1.66 x10−9 m2/s. In a 5.3 cm long…

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Q: In the lungs, a thin respiratory membrane separates tiny sacs of air from the blood in the…

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Q: A certain element has a mass per mole of 9.0122 g/mol. What is the mass of a single atom in (a)…

A: Mass per mole=9.0122 g/mol Required Mass of single atom in atomic mass unit. Mass of single atom in…

Q: Question 1 a.) A container (8.0 L = 8.0 x10-3 m3) has an ideal gas 2 mol. The is an initial…

A: (a) Write the ideal gas equation .

Q: The partial pressure of oxygen in the lungs is about 150 mm of Hg. (The partial pressure is the…

A: According to Fick's law,

Q: A semi-permeable membrane separates the contents of cell. The concentration of sodium ions is 2 mol…

A: Pressure outside: Tonicity:  HypotonicExplanation:

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 ideal gas at 17.4 °C and a pressure of 2.96 x 105 Pa occupies a volume of 3.86 m3. (a) How many…

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Q: A cubic box with sides of 17.32 cm contains 3.78E23 molecules having a mass of 3.572E(-27) kg with a…

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Q: A tank contains 10.6 g of chlorine gas (Cl₂) at a temperature of 84 °C and an absolute pressure of…

A: Given:  Mass m=10.6 g, Molecular weight (mass per mole) M=70.9 g/mol, Temperature T=84°C=(273+84)…

Q: ou can smell perfume very shortly after opening the bottle. To show that it is not reaching your…

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Q: A runner weighs 690 N and 71% of this weight is water. (a) How many moles of water are in the…

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Q: A spherical balloon with a volume of 3.95 x 103 cm3 and a pressure of 1.15 x 105 Pa contains helium.…

A: The average kinetic energy per atom is given by  KE=32kT where k is the boltzmann's constant. From…

Q: A hot air balloon uses the principle of buoyancy to create lift. By making the air inside the…

A:

Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.