2.18 What is the change in the viscosity and density of water be- tween 10°C and 70°C? What is the change in the viscosity and density of air between 10°C and 70°C? Assume standard atmo- spheric pressure (p = 101 kN/m² absolute). %3!

Q: For most gases, volume expansivity is 6.0249 × 10^23 * False True O

A: Volume expensivity of gases

Q: Ex. 7 : Calculate the R.M.S. velocity of hydrogen molecule at 127°C. The density of hydrogen at…

A: To find-RMS velocity of hydrogen moleculeGiven-T0=1270CT=273+127=400 KDensity=0.09 kg/m3one atm…

Q: The vapor pressure of water at 80°C is 0.4675 atm. Calculate the vapor pressure in kPa.Round answer…

A: The one atmospheric pressure is, 1 atm=101.3 kPa The pressure of the water vapor is, Pv=0.4675 atm

Q: The pressure of a sample of gas is measured at sea level with an open-end mercury manometer. Assumin…

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Q: At 37 m below the surface of the sea (density of 1422 kg/m3 ), where the temperature is 6◦C, a diver…

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Q: A bicycle tire has a pressure of 6.75 × 105 Pa at a temperature of 19°C and contains 2.00 L of gas.…

A: Solution:-Concept and formulas used:-1) According to Ideal gas equation, we havePV = nRTHere,  P =…

Q: At 28 m below the surface of the sea (density of 1476 kg/m³), where the temperature is 6°C, a diver…

A: Let V1 be the volume of the air bubble inside the sea and V2 be the volume of the air bubble when it…

Q: 450 cm3 of air is measured at a pressure of 740 mm Hg absolute, with a temperature of 20°C. What is…

A: P1V1T1=P2V2T2      V2=P1V1T2T1P2

Q: Problem 13: A bicycle tire has a pressure of 6.8 × 105 Pa at a temperature of 15°C and contains…

A: Given Data, Initial pressure (Pi)=6.8×105 Pa Initial volume Vi=2.00 L Volume of left out gasVo=115…

Q: Atmospheric pressure on the peak of Kilimanjaro can be as low as 0.20 atm. If the volume of an…

A: Pressure at the peak is P1 = 0.20 atm Volume of the oxygen tank is V1 = 10.0 L Required volume of…

Q: 2.21 What is the ratio of the dynamic viscosity of air to that of water at standard pressure and a…

A: Dynamic viscosity is a basically resistance between layer of fluids. Kinematic viscosity is the…

Q: -A piece of stone weighs 0.05 pounds. When it is submerged in a graduated cylinder containing 50 ml…

A: Given  Mass of stone m=0.05 pounds =0.05×453.6=22.68g Volume of water =50ml Rise in volume =60ml…

Q: The mean free path for a gas, with molecular diameter d and number density n can be expressed as:

A:

Q: Macroscopic Description of an Ideal Gas. An auditorium dimension 10 m x 20 m x 30 m. How many…

A: The Ideal Gas law is an equation representing the state of a homogeneous mixture of gas, which sets…

Q: Calculate the R.M.S. speed of oxygen molecules at 227°C. (Density of oxygen at N.T.P. = 1.429 kg/m3…

A: To find-RMS speed of oxygen molecule (C)=?Given-Temperature (T)=2270C=5000KDensity (ρ)=1.429…

Q: A gas is under pressure of 40 bar abs at 40°?. a. Compute the pressure in kPa b. Compute the gage…

A: The pressure =40bar T=Temperature=40°C=313k

Q: The temperature of an ideal gas remains constant while the pressure changes from 103.425 Kpaa to…

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Q: What is the gauge pressure of a 0.04 m³ tank holding 107 g of argon gas at 20 C? The molecular…

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Q: A deep sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea…

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Q: A bicycle tire has a pressure of 6.95 × 105 Pa at a temperature of 16°C and contains 2.00 L of gas.…

A: The given values are,

Q: NUMBER 1; Consider a rocket engine burning hydrogen and oxygen; the combustion chamber (reservoir)…

A: Given: Pressure of chamber, Temperature of chamber, Area of nozzle, Exit pressure, Mass flow…

Q: The density of a gas is 0.417 kg/m^3. What is the specific volume of the gas?

A: density of a gas =ρ=0.417 kg/m3To find- Specific volume of gas

Q: Find the number of molecule per unit volume of oxygen at N.T.P. (Mass of oxygen molecule = 5.313 ×…

A: Kinetic theory of gases model is the molecules are very small compared to the distance between them.…

Q: A vessel contains an ideal gas with temperature of -15°C, a density of 0.16 kg/m3, and a molecular…

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Q: At the surface of a freshwater lake, the pressure is 105 kPa What is the pressure increase in…

A: Pressure at surface, Ps = 105 kPa  Depth, h = 42.6 m Density, ρ = 1.00 × 10³ kg/m³ = 10³ kg/m³…

Q: Ex. 13: Calculate the number of molecules in one liter of gas at N.T.P., if mass of each molecules…

A: To find-No. of molecules (n)=?Given-Volume of a gas=1 lit=VTemperature of gas T=273 KMass of each…

Q: A (1.0x10^1) liter bottle is filled with nitrogen (N2) at STP (Standard Temperature and Pressure is…

A: Initial volume (V) = 10 liter Initial temperature (T) = 273 k Initial pressure (P) = 1 atmNew…

Q: Which of the following is true for the situation below? po is the atmospheric pressure, p is the…

A: h=Difference of height in fluid=16−6=10 cmρ=Denisty of mercuryg=Acceleration due to…

Q: What is the R.M.S. velocity of molecules pf the gas at N.T.P. if density of this gas at N.T.P. is…

A: Find- (1) RMS velocity of gas molecules at NTP (2) RMS velocity at 2270 C Given- Density of gas at…

Q: Viscosity of fluid plays a significant role in the analyses of many fluid dynamics problems. The…

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Q: H.W: A mass flow rate m(g/s) is measured as a function of temperature T(°C). T 10 20 40 80 m 14.76…

A: