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A silver-20% gold alloy sample (1 cm diameter and 0.2 cm height) is subjected to a selective silver dissolution in 0.1 M HNO3 at current density of 1 mA/cm^2.
How long will it take until the total amount of silver is dissolved? Assume the average density of 8 g/ cm^3 for the alloy sample
Draw the state graph for a car wash controller which has 3 different kinds of washes a simple rinse-only wash, a rinse-soap-rinse wash, and a rinse-soap-rinse-blow dry wash. The first two of these wash types are the same as those in this chapter. Sta..
1- Use the half-reaction method to balance the equation Ca(s) +Cl2(g) --> CaCl2(s). 2-A sample of sodium chloride, NaCl, weighing 0.0678 g is placed in a 25.0-mL volumetric flask. Enough water is added to dissolve the NaCl, and then the flask is ..
Discuss the various ways to recognize transistor saturation and Discuss the advantages of using an emitter bias configuration
Plot the I-V and P-V curves of the panel, An ideal PV panel model can be used to understand the operation of the P&O method. Let the panel parameters be n=1, T=300K, IL=3A, and Io=10-10A.
A single-phase load is supplied with a sinusoidal voltage v(t) = 200 cos(377t) The resulting instantaneous power isp(t) = 800 + 1000 cos(754t ¡ 36:87±) (a) Find the complex power supplied to the load.
Briefly explain why the maximum usable clock frequency of a ripple counter decreases as moreflip-flops are added to the counter to increase its MOD-number.
In a lightning strike there is a rapid movement of negative charge from a cloud to the ground. In what direction is a lightning strike deflected by Earth's magnetic field
Create a program using AsmIDE, which utilizes the Fox 11 68HC11 microcontroller board: Speech timer where max time is 5 minutes Use the switches for:
An Al0.3Ga0.7As p-n junction LED with doping level ND = 1 x 10^18 cm-3 on n-side and NA=1x10^15 cm-3 on p-side has Vf = 0.9 V forward bias across its junction. The LED cross-section is 200 µm x 200 µm.
The Maxwell-Boltzmann distribution is often used to approximate the Fermi- Dirac distribution function. For what range of (E-Ef)/kT is the Maxwell-Boltzmann approximation accurate to within 10%
Which is the best alternative to buying a machine assuming an interest rate of 4% and a time span of 6 years. Compare using Present Values. A: Buy new machines for $25k. They earn $5k per year and their maintenance costs are $125 per year.
Sitting in front of you is a box; you cannot see iside the box. The box has a power cord that is plugged into a working wall socket. There is a wire coming out of the box; the end of the wire outside the box is exposed (not insulated) and is not c..
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