In an experimental determination of diffusivity of toluene in air, Stefan's method is being used. A vertical glass tube 3 mm in diameter is filled with liquid toluene to a depth of 20 mm from the top open end. After 275 hrs at 39.4°C and a total pressure of 1 atm., the level has dropped to 80 mm from

Q: Consider a system of 6-in. ID vertical pipe with a falling film of water on the wall. Estimate he…

A: Given:  mass flow rate of water given i m*  =1570 lb/hr  diameter of pipe d = 6 in = 0.1524…

Q: Consider a system of 6-in. ID vertical pipe with a falling film of water on the wall. Estimate the…

A: Given: The mass flow rate of water given is m*  =1570 lb/hr, converting it into SI units i.e. kg/s…

Q: A copper rod, an aluminum rod, and a brass, each 6.00 m in length and 1.00 cm in diameter, are…

A: Heat transfer through a composite medium, assumed to have a uniform thermal conductivity, density,…

Q: Athin isothermal disk, having a diameter of 1.8 cm, is maintained at 40◦C and buried in a…

A: Given  thermal conductivity k= 0.8 W/m· ◦C  diameter of disk is D = 1.8 cm  radius = 0.9 cm = 0.009…

Q: 46. Air enters a diffuser with a velocity of 200m/s. Determine the speed of sound in m/s at the…

A: Given  Temperature (T) = 38 o C                              = 311.15 Velocity  = 200 m/s

Q: 2. Air at 50°C and essentially atmospheric pressure is flowing through a 10 cm x 10 cm rectangular…

A: Given that- Length of duct, L=50 m Average velocity, vavg=10 m/s Wall temperature, Ts=250C…

Q: -„ Energy Balances, Costs and Insulation - A 100 meter long section of a steam pipe with an outer…

A: The total resistance to heat transfer due to convection is calculated as follows:R = 1h(2πrL)h =…

Q: sider a U-tube whose arms are open to the atmo one arm and light oil (poil = 790 kg/m³) from the…

A:

Q: Convert a pressure of 800 mm Hg to the following units: a. psia b. kPa c. atm d. ft H2O

A: Since we are entitled to answer only 1 question, we will answer the first one as it is not mentioned…

Q: 6.3 In a particular application involving airflow over a sur- face, the boundary layer temperature…

A: All answers are attached below; please check. Explanation:Step 1:Step 2:Step 3:Step 4:Please rate my…

Q: 4-A gas at 250 K and 15 atm has a molar volume 12 per cent smaller than that calculated from the…

A: This question is based on thermodynamics. Data given :  Temperature , T  = 250 K Pressure , P = 15…

Q: Suppose that exactly half of the annular volume between concentric, horizontal cylinders is filled…

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Q: The air freshener shown in the figure below is used to deliver a pleasant vanilla fragrance in a…

A:

Q: Determine the external pressure if ethanol boils at 60 °C?

A: The boiling point of Ethanol at new pressure(P2)=60oC To Calculate the pressure(P2)=?

Q: 2) A cylinder holds 200 kg of water at 120 °C at a pressure of 20 MPa. The temperature is increased…

A:

Q: A water pipe is connected to a double-U manometer as shown in Figure below at a location where the…

A:

Introduction and Basic Calculations in Multiphase Systems

Chemical calculations involve material and energy balance calculations which enable engineers to calculate material and energy requirements in various chemical processes. In addition to this, chemical calculations help to study the behavior and properties of gases, liquids, and their mixtures.