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A diode is connected in series with a voltage source of 5 V and a resistance of 1 k Ω. The diode's saturation current is given to be 10-12 A and the I-V curve is shown in Figure P7.2.6. Find the current through the diode in the circuit by graphical analysis.
Methanol can be manufactured by the gas phase reaction CO(g) + 2H2(g)?CH3OH(g)at 400K and 1.013 bar.The following data are available;?H298= -90.71 kJ/mol?G298= -24.33 kJ/mol.
A closed tank, 1 m3 in volume is filled with water at 1 bar 80 °C. A second identical tank contains 20 kg of steam at 20 bar. What is the mass of water in tank 1?
Is rusting a moderate reaction? Rusting is an example of what reaction?
The feed (CAo= 1.0, CRo= 0, CSo= 0) enters two mixed reactors in series (?1= 2.5 min,?2= 10 min) knowing the composition in the first reactor (CA1= 0.4, CR1= 0.4, CS1= 0.2),find the composition leaving the second reactor (using fractional yield co..
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..
A precipitate forms only when Na2SO4 is added. Which cations could be present in the unknown soluble ionic compound? Explain your answer, and write down any calculations you may have undertook in the process of answering it.
Why does the dielectric constant of water drop as a function of temperature?
Operation of a modern telephone handset, In a modern telephone handset, the microphone uses a piezo-electric crystal and the earpiece is a miniature loud speaker using a moving coil and a permanent magnet.
(a) What is the minimum number of theoretical stages necessary to effect this separation? (b) What is the minimum extract reflux ratio?
Calculate the fraction of water that is condensed from the air, the relative humidity of the air at 100°C, and the ratio m3 outlet air at 100°C/m3 feed air at 90°C.
The left side of of the mechanical energy equation has three terms: P/p, (1/2)av^2 and gz. show that each of these terms has the dimension of energy per mass of fluid by.... a) converting each term to units of Btu/lbm beginning with pressure in psi, ..
Suppose you discover after the combustion has been carried out that the thermocouple is not functioning properly. Use the final pressure gauge reading of 75.3bar to estimate the adiabatic flame temperature of cyclopentane. Do not assume ideal gas ..
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