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Styrene is made by dehydrogenation of ethyl benzene, which is formed by alkylation of benzene with ethylene. Propose target yields for the alkylation and dehydrogenation steps if the forecasted prices per metric ton are styrene $800, ethylene $800, and benzene $500.
Note: Structures for the compounds in Problems 2.3, 2.8, and 2.9 can be found in the Merck Index, but are not required to solve the problems.
The no-load voltage of a Y-connected synchronous generator is 3646V. When the generator delivers the rated load of 432kW at 0.8pf lagging, the terminal voltage is 3117.69V. If the armature winding resistance is negligible
A capacity coupled amplifier has a midband gain of 1000 V/V, a single high-frequency pole at 10 kHz, and a single low-frequency pole at 100 Hz. Negative feedback is employed so that the midband gain is reduced to 10.
What is the corresponding result for the impedance matrix of two series-connected T-networks?
Design a combinational logic circuit that compare two 2- bit number. The circuit must have three outputs indicationg if the two numbers are equal, first larger than the second, or the second is larger than the first.
An automobile battery is charged with a constant current of 2 A for five hours. The terminal voltage of the battery is v = 11 + 0.5t V for t > 0, where t is in hours. (a) Find the energy delivered to the battery during the five hours. (b) If electric..
Will the electric field inside change (how much if yes)? Will the stored energy in the capacitor change (how much if yes)?
Radio systems sometimes suffer from multipath distortioncaused by 2 (or more) propagation paths between transmitter andreceiver. Suppose a channel output related to the input is: y(t) =K1x(t-t01)+K2(t-t02),where x(t) is the input, y(t) the output, ..
an 8kg block is released from the rest on a frictionless incline of angle 60.if the speed of the box is 10m/s when it reaches to the ground what was the height of the initial point it was released
Consider the best possible heat engine working in air at 25°C. The engine continuously converts heat from a source at 300°C to work, and heat is continuously transferred into the engine at a rate of 100 kJ/s.
A DC series generator is supplying a current of 5A to a series lighting system through a feeder of a total resistance 10 ohms.The terminal voltage is 2500V and the armature series field resistance 18 ohms and 15 ohms respectively.
Consider an open-ended cylindrical tube (infinitesimally thin walls) of radius a and total length 2h. A total charge Q is uniformly distributed over the surface of the tube. Find an expression for the electric field anywhere on the axis of the tub..
Electrons and holes are moving in a uniform, one-dimensional electric field E = +2500 V/cm. The electrons and holes have mobilities of 700 and 250 cm2/V · s,respectively. What are the electron and hole velocities If n =1017/cm3 and p =103/cm3
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