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An oil containing 2.55 mole % of a hydrocarbon is stripped by running to oil down a column up which live steam is passed, so that 4 moles of steam are used per 100 moles of oil stripped. Determine the number of theoretical plates required to reduce to hydrocarbon content of 0.05 mole % assuming the oil is non-volatile.
The vapor liquid relation of the hydrocarbon in the oil is given by y = 33 x, where y is the mole fraction in the vapor and x is the mole fraction in the liquid. The temperature is maintained by interval heating.
Formulate arguments for and against the idea that risk assesment can and should be separated from risk management. Discuss land as a natural resource and how and why it is or should be regulated by environmental laws.
question 1a handling operations for solidpowder substances are often a source of dust generation and are a source of
Let the property P;.. in Eq 5.2-1 be the scalar 1 so that the integral in that equation represents the instantaneous volume V. Show that in this case
Calculate the internal energy change for each of the following. a. One hundred (100.) joules of work are required to compress a gas. At the same time, the gas releases 23 J of heat
A mixture of perfect gases consist of 3kg of carbon monoxide and 1.5kg of nitrogen at a pressure of 0.1 MPa and a temperature of 298.15 K. Using table 5-1, find the effective molecular mass of the mixture.
oleum or fuming sulfuric acid available commercially in concentrations ranging from 20 to 99.9 sulfur trioxide. a.
Using the data on equipment costs given in this chapter or commercial cost estimating software, estimate the cost of the following equipment:
It is desired to use 28.32 m 3 /min of air (metered at a pressure of 101.3 kPa and 294.1 K) in a process. This amount of air which is at rest enters the fan suction at a pressure of 741.7 mm Hg and a temperature of 366.3 K and is discharged at a pres..
Write the balanced formula, complete ionic, and net ionic equations for the reactions that occur when the following are mixed. a. potassium hydroxide (aqueous) and nitric acid
A small atomic bomb releases energy equivalent to the detonation of 20,000 tons of TNT; a ton of TNT releases 4x10^9 J of energy when exploded. Using 2x10^13 J/mol as the energy released by fission of 235U, approximately what mass of 235U undergoe..
HEAT TRANSFER PROBLEMS NO16- Water flowing in a steel pipe of diameter 0.02 m is to be cooled from 40 to 30 oc . The velocity of water in the steel pipe is 1.5 m/s .
Calculate the rate of moisture condensation (kg/h) and the volumetric flow rate of the air drawn from the outside.
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