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Problem 1: A sealed tank contains saturated steam at 5 bar. The volume of the tank is1m3. a) Heat is added until the pressure in the tank pressure doubles. What is the final temperature? b) Calculate the necessary amount of heat.
Problem 2: A sealed pressure cooker contains steam at 5 bar and 200 °C. Subsequently, the cooker is cooled until the contents become saturated vapor. a) What is the final temperature? b) How much heat is removed during the cooling step? c) How much additional heat must be removed in order to completely condense the steam in the cooker and produce saturated liquid?
Use Laplace transformation to solve the initial value problem
A 25.00-mL sample of hydrochloric acid solution requires 24.16 mL of 0.106 M sodium hydroxide for complete neutralization. What is the concentration of the original hydrochloric acid solution?
A thermally insulated resistor of 20 ohms has a current of 5 A passed through it for 1 s. It is initially at 20 degrees C.
Draw T-S diagram of the cycle.
An electron falls from the conduction band of silicon (Si) to the valence band. The band gap of Si is 1.1 eV. What is the wavelength of the photon emitted by this process? Give your answer in nm
For a feed rate 2000 kg/h of solution, composition 30% w/w MEK, determine the number of stages required to recover 95% of the dissolved MEK, using 700 kg/h TCE, with countercurrent flow. Tie-line data for the system MEK-water-TCE percentages w/w, ..
Ethylene and propylene are valuable monomers. A key step in the recovery of these materials is fractionation of the olefin from the corresponding paraffin (ethane or propane). These fractionation steps require refrigeration of the overhead condens..
List the formulas of three soluble bromide salts and three insoluble bromide salts. Do the same exercise for sulfate salts, hydroxide salts, and phosphate salts (list three soluble salts and three insoluble salts).
According to the paper entitled "Recursive tracking of vascular networks in angiograms based on the detection-deletion scheme" (IEEE Trans. Med. Imaging 12: 334-341, 1993), what is the purpose of deleting a vessel segment from the image immediatel..
Using the results of part (a), show that the electrons will fail to reach the second plate if (see the attached file for the equation) where -e and m are the charge and mass of an electron.
Solid NH4NO3 (ammonium nitrate) decomposes on heating to 400°C, forming N2O gas and water vapor, H2O. (a)Write a balanced chemical equation
Apply linear programming to this problem. A firm wants to determine how many units of each of two products (products X and Y) they should produce in order to make the most money. The profit from making a unit of product X is $190 and the profit fr..
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