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An absorber packed to the height of 4.5 m with 1.0-in. Raschig rings has been designed to reduce the concentration level of a mercaptan pollutant in an exhaust stream from 5.0 to 0.3 mol %. A nonvolatile, mercaptan-free solvent stream will be fed to the top of the tower and will flow countercurrent to 0.236 m3 /s of the exhaust gas stream.
The solvent leaves the bottom of the tower containing 3.05 mol % mercaptan. At the pressure and temperature of the tower, 293 K and 1.013×105 Pa, the equilibrium data for the mercaptan-solvent system are as follows:
Determine the diameter of the tower if the gas pressure drop within the packing is limited to 300 N/m3 of packing.
The gas enters the tower with an average molecular weight of 30.1 and the liquid stream, leaving the bottom of the tower, has an average molecular weight of 180, a specific gravity of 0.81 and a viscosity of 3.9×10-3 Pa.s.
Now, Dr. Pennyworth has a chance to purchase one of two professional cricket clubs, the Miami Manatees or the Jacksonville Gemini. At the beginning of last year, the Manatees were purchased for $100 million, provided $10 million in profits, and are c..
It is April and a trader buys 100 September put options with a strike price of $21. The stock price is $17.2 and the option price is $4.44. At the expiration, the stock price becomes $18.8. Calculate the option profit to the trader. When one buys an ..
This problem illustrates how banks create credit and can thereby lend out more money than has been deposited. Suppose that initially $100 is deposited in a bank. Experience has shown bankers that on average only 8% of the money deposited are withdraw..
Below is a set of current (t = 0) prices on a set of zero-coupon bonds. The face value on all of these bonds is $1000. The prices below are quoted per $1000 in face value. In answering the following questions, assume that you can buy fractions of a b..
What are some internal as well as external factors that could have an impact on debt and equity instruments? Explain your answer.
Orca, Inc. announced today that it will begin paying annual dividends. The first dividend will be paid next year in the amount of $1.47 a share. The following dividends will be $1.25, $1.61, and $2.67 a share annually for the following three years, r..
Why does the expected return of a corporate bond not equal its yield to maturity?
Bond P is a premium bond that carries a 10% coupon rate. A separate bond-Bond D is a discount bond and has a 4% coupon rate. Each of these bonds makes an annual payment (not semiannual) and have a 7% YTM with 10 full years until they mature. Assume t..
A stock is trading at $65 per share. The stock is expected to have a year-end dividend of $5 per share (D1 = $5), and it is expected to grow at some constant rate g throughout time. The stock's required rate of return is 11% (assume the market is in ..
According to Vandalay’s capital budgeting plan, the maximum yearly amount it can afford to pay on a loan to finance the new factory upgrade is $90,000. The firm finds out that the lowest interest rate that it can obtain from the local banks is 6% per..
Per the IRC, losses and deductions of an S corporation pass through to the shareholders of the corporation and are limited to the shareholders’ basis in the S corporation. Suggest a plan for a client to increase the deductible pass through loss and d..
Green Company stock has a beta of 2 and a required return of 23%, while Gold Company stock has a beta of 1.0 and a required return of 14%. The standard deviation of returns for Green Company is 10% more than the standard deviation for Gold Company. T..
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