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A small diameter tube closed at one end was filled with benzene to within 20 mm...
A small diameter tube closed at one end was filled with benzene
to within 20 mm from the top of the tube and maintained at 295 K
and atm pressure of 100 kPa with a gentle stream of air blowing
across the top. After 30 kilo-seconds (30 x 103 s) the liquid level
has fallen to 25.8 mm. The vapor pressure of benzene at 295 K is
13.3 kPa. Calculate the diffusivity of benzene in air. Density of
benzene = 800 kg/m3. Molecular weight of benzene = 78 kg/kg
mol.
Solutions
Amanda K answered 2 years agoRelated Solutions
A thin-walled tube with a diameter of 6 mm and length of 20 m is used...
A thin-walled tube with a diameter of 6 mm and length of 20 m is
used to carry exhaust gas from a smoke stack to the laboratory in a
nearby building for analysis. The gas enters the tube at 200°C and
with a mass flow rate of 0.001 kg/s. Autumn winds at a temperature
of 15°C blow directly across the tube at a velocity of 7 m/s.
Assume the thermophysical properties of the exhaust gas are those
of air.
(a)...
A thin-walled tube with a diameter of 6 mm and length of 20 m is used...
A thin-walled tube with a diameter of 6 mm and length of 20 m is
used to carry exhaust gas from a smoke stack to the laboratory in a
nearby building for analysis. The gas enters the tube at 200°C and
with a mass flow rate of 0.005 kg/s. Autumn winds at a temperature
of 15°C blow directly across the tube at a velocity of 5 m/s.
Assume the thermophysical properties of the exhaust gas are those
of air. (a)...
A current of 5 mA flows through a 2 mm inner-diameter glass tube filled with 1.0...
A current of 5 mA flows through a 2 mm inner-diameter glass tube
filled with 1.0 mol dm-3 NaCl(aq) solution in the anode compartment
in addition to a CH3COONa (aq) solution in the cathode compartment.
The boundary created between the two solutions moves 6.05 mm
towards the anode in 10 minutes. Calculate the transport number of
the chloride ion in the solution.
A tube with a diameter of 6.45 mm was placed in a liquid with a density...
A tube with a diameter of 6.45 mm was placed in a liquid with a density of 998 kg / m3 and it was observed that the liquid increased by 1.44 mm in the tube. Find the surface tension of the fluid [N / m] by taking the contact angle 15 ° between the liquid and the tube surface.
Consider a 9 mm diameter circular tube, calculate the length of tube that is required to...
Consider a 9 mm diameter circular tube, calculate the length of tube that is required to transfer 100 W of
water that circulates through the tube at a rate of 0.08 kg / s.
The temperature of the water is kept constant at 50 ° C and the wall
of the tube is maintained at 45 ° C.
A tube has a diameter of 0.87 mm and is placed vertically in a liquid of...
A tube has a diameter of 0.87 mm and is placed vertically in a
liquid of density 879 km/m^3, which rises 3.7 cm in the tube. The
contact angle is 17 degrees between the liquid and tub. What is the
surface tension of the liquid?
A packed bed reactor is filled with catalyst material with a diameter of 1.5 mm. The...
A packed bed reactor is filled with catalyst material with a
diameter of 1.5 mm. The length of the reactor is 80 cm and the
catalyst has a porosity of 0.45. The superficial mass velocity of
the inlet gas is 7.5 kg/m2-s with a viscosity of 1.55x10-5 kg/m-s
and a density of 2.8 kg/m3. The inlet pressure is 300 kPa. Find the
pressure, P, at the end (the exit) of the PBR.
A piano wire 0.90 m long and 0.85 mm in diameter is fixed on one end....
A piano wire 0.90 m long and 0.85 mm in diameter is fixed on one
end. The other end is wrapped around a tuning peg 3.5 mm in
diameter. Initially the wire, whose Young's modulus is
2.4×1010N/m2,
has a tension of 30 N .
Part A
Find the tension in the wire after the tuning peg has been
turned through one complete revolution.
Express the tension in newtons to two significant figures.
T =
166.16
N
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Incorrect;...
Sandstone pore of 20 mm in diameter and 100 mm long with porosity of 15% is...
Sandstone pore of 20 mm in diameter and 100 mm long
with porosity of 15% is prepared for
core flood experiment. The sandstone pore is fully (100%) saturated
with water by injecting
water with viscosity of 1cp at volumetric flow rate of 20 cubic
mm/sec. A pressure drop of 1
atm was recorded across the pore during the injection
process.
i. What is the absolute permeability of the sandstone pore sample
in mD?
ii. What is the pore volume of...
Sandstone pore of 20 mm in diameter and 100 mm long with porosity of 15% is...
Sandstone pore of 20 mm in diameter and 100 mm long
with porosity of 15% is prepared for
core flood experiment. The sandstone pore is fully (100%) saturated
with water by injecting
water with viscosity of 1cp at volumetric flow rate of 20 cubic
mm/sec. A pressure drop of 1
atm was recorded across the pore during the injection
process.
i. What is the absolute permeability of the sandstone pore sample
in mD?
ii. What is the pore volume of...
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