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: An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30 °C. How many…

A: According to the ideal gas equation,

Q: A container with volume 0.05 m contains of a mixture of helium and argon gas in equilibrium at…

A: At normal temperature, the molecules are randomly moving in an ideal gas. The velocities of the…

Q: If I have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a…

A: P = 1.2 atm = 1.2 atm ×101.3 kPa1 atm =121.56 kPa V = 31 L T = 87 0C = 87 + 273 = 360 K R = 8.31…

Q: A liquid rises through a heat of capillary tube corresponding to a volume of 6.8722×10-3 cm³, with a…

A: The ascent formula is given by  h = 2 T cos Ar d g where, T is the surface tension, r is the radius…

Q: Your lungs hold 4.2 L of air at a temperature of 27°C and a pressure of 101.3 kPa. How many moles of…

A: Given data :                 Volume (V) = 4.2 L = 4.2×10-3 m3                 Pressure (P) = 101.3…

Q: Three moles of an ideal monatomic gas expand at a constant pressure of 3.00 atm ; the volume of the…

A: a) PV=nRTTinitial=PVinitialnR=3×3×10-23×8.2057338 × 10-5=365.5980164 K

Q: The density of a fixed amount of gas is greatest at: A. SATP B. STP C. 1 bar and 0 degree Celsius D.…

A: Density of a gax for a fixed amount of gas  Thus ...mass of gas in each case is constant   Let d is…

Q: A spherical balloon of volume 4.00 × 103 cm3 contains helium at a pressure of 1.20 × 105 Pa. How…

A: The expression for the required amount of moles of helium,

Q: Consider a mixture of three different gases: 1.40 g of argon (molecular mass = 39.948 g/mol), 2.70 g…

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Q: Two moles of an ideal gas are placed in a container whose volume is 8.2 x 103 m3. The absolute…

A:

Q: A hydrogen molecule has a mass of 3.35 x 10-27 kg. If Boltzrnann's constant is 1.38 x 10 -23 J K ·',…

A: Given: The mass of hydrogen molecule, m = 3.35x10-27 kg The Boltzmann constant, k = 1.38x10-23 Jk-1…

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: A company advertises that it delivers helium at a gauge pressure of 1.72 × 10  7 Pa in a cylinder of…

A:

Q: A container with volume 0.05 m² contains of a mixture of helium and argon gas in equilibrium at…

A:

Q: Find the number of moles in 6.00 L of gas at 20.0°C and under 7.04 ✕ 107 N/m2 of pressure.

A: Pressure, P= 7.04 x 107 Pa  Volume, V = 6 L=6 x 10-3 m3 Temperature, T =  20°C = 293 K

Q: A container with volume 0.05 m³ contains of a mixture of helium and argon gas in equilibrium at…

A: Given:  Temperature of the system = 180o = 453.15 K P = 4π(M2πRT)32 ν2e-Mν22RTdν

Q: A spherical balloon of volume 4000 cm3 contains helium at an (inside) pressure of 1.20 x 105 Pa. How…

A:

Q: Calculate the osmotic pressure of 25% of the urea solution at a temperature of (37 °C). R = 0.0821 L…

A:

Q: container holds a mixture of two gases, CO2 (Carbon Dioxide)  and H2 (molecular Hydrogen) in thermal…

A: Given Temperature of both the gas is equal. Mass of CO2 = 22 × mass of H2

Q: Find the density of air at 0°C and 1.013 x10^5 Pa. One mole of air may be assumed to be 79% nitrogen…

A: The percentage of the nitrogen =79% The percentage of oxygen =21%  To find the density of air

Q: A container holds 0.310 m3 of oxygen at an absolute pressure of 3.20 atm. A valve is opened,…

A:

Q: Find the mean free path of molecules with radius 1.0 x 10^-10 m at a temperature of 27 degrees…

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

A:

Q: .An ideal gas occupies a volume of 100 cc at 20 degrees Celsius and 100 Pa. Find the number of moles…

A:

Q: A 5.00 x 10-3 m3 container has an ideal gas at 25 •C. The absolute pressure of the gas is 5.00 x 105…

A: Given that,                 Volume(V) =5×10-3 m3                Temperature (T)=273+25=298K…

Q: A spherical balloon is made from a material whose mass is 3.20 kg. The thickness of the material is…

A: material mass =3.2kg redius of ball on=1.35m Teprature T=285k Air density=1.19kg/m3 Molar mass of…

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

A: Given: The temperature is T=1.7°C. The dimension is D=2.2 cm ✕ 2.2 cm ✕ 2.2 cm. The number of…

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

A: Given No. Of molecules of gas N' = 1.5 NA where NA  = Avagadro no. Temperature of gasT = 1.7° C =…

Q: A cylinder contains 10 moles of Neon gas at 36.85 degree Centigrade temperature. The molar mas of…

A:

Q: The pressure and the volume of four ideal gases. with the same number of molecules, are given below.…

A: Given data The number of molecules for all the gases is the same.   The mathematical expression…

Q: The coefficient of linear expansion of a certain steel is 0.000012 per CO. The coefficient of volume…

A: The relation between the coefficient of linear expansion and the coefficient of volume expansion is…

Q: A gas has an initial volume of 168 cm at a temperature of 255 K and a pressure of 1.6 atm. The…

A:

Q: A cylinder contains 10 moles of Neon gas at 36.85 degree Centigrade temperature. The molar mas of…

A:

Q: A spherical balloon of volume 4000 cmº contains helium at an (inside) pressure of 1.20 x 10° Pa. How…

A: Given,Volume of the spherical balloon, V == 4000 cm3pressure, P = 1.20×105 Paaverage kinetic energy…

Q: At what temperature would the root mean square speed of oxygen molecules be 13.0 m/s? Oxygen is…

A: Given:- The root mean square speed of oxygen molecules be vrms=13 m/s Oxygen is assumed to…

Q: Air is primarily a mixture of nitrogen, N2 and Oxygen, O2. Assume that each behave as ideal gas.…

A:

Q: container with volume 0.05 m² contains of a mixture of helium and argon gas in equilibrium at 180°C.…

A: Given that: Volume of the container, V=0.05 m3Equilibrium temperature, T=180°C=180+273=453 KMolar…

Q: For a hydrogen gas at 25 degree Celsius, most molecules would be travelling at: A. 2.3 km/sec B. 2.0…

A:

Q: A spherical balloon of volume 4.07 x 10 cm³ contains helium at a pressure of 1.21 X 10° Pa. How many…

A: Given: The volume of the gas is 4.07x103 cm3. The pressure of the gas is 1.21x105 Pa. The average…

Q: In a period of 1.1 s, 5.0 x 1023 nitrogen molecules strike a wall of area 9.0 cm². If the molecules…

A: Apply Newton's second law,Force exerted by the wall on the molecules can be written as, F =…

Q: Gas is contained in a 6.00-L vessel at a temperature of 28.0°C and a pressure of 6.00 atm. How many…

A: Given : P=6 atm V=6 L T=28o C=301.15 K In this question we have to find the number of molecules in…

Q: An automobile tire contains 0.038 m³ of air at a gauge pressure of 2.41 × 105 N/m². The composition…

A: For diatomic gas Number of degree of freedom= 5 So internal energy of one mole gas = (5/2) RT

Q: 2 mol of an ideal monoatomic gas moves from State 1 to State 2 P at constant pressure 1000 Pa and…

A: We have a monoatomic gas of n=2 mol in a isobaric process at pressure P=1000 Pa from volume V1=2 m3…

Q: A room has dimensions of 6.8 m by 5.8 m by 3. m. The pressure inside the room is 90,000 Pa and the…

A:

Q: A flexible box contains 5.60 grams of nitrogen gas (N2) which is maintained at a constant pressure…

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.