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1) A sample of vinegar is 4.8% acetic acid, HC2H3O2, by weight, andhas a density of 1.00g/mL. Calculate (a) the grams of acetic acidin 1 liter of vinegar (b) the molarity of acetic acid invinegar.
2) calculate the concentration of an unknown acid solution,HA, if 25.24 mL of .1278 M NaOH solution were needed to neutralize 28.20 Ml of the HA solution
determine the current drawn from a 3 phase 220 V line by a 3 phase 15kW motor operating at half load, 85% efficiency and .8 pf lagging. Find the values of real and reactive power drawn from the line.
An injection-molding machine can be purchased and installed for $90,000. It is in the seven-year GDS property class and is expected to be kept in service for eight years. It is believed that $10,000 can be obtained when the machine is disposed of ..
The RS-232 serial port on a personal computer is transmitting 2400-bit/sec data using a polar NRZ line code that has a peak value of 12 V. Assume that binary 1's and 0's are equally likely to occur.
Design a datapath that consists of four four-bit, general-purpose registers and one four-bit processor status word (PSW) register. There are four status bits, carry, overflow, sign, and zero; these will be stored in the four bits of the PSW.
A. Determine the fundamental frequency w0, the period t0, and the coefficients in the representation X(t) = x0 + Re{(sigma)k=1N Xkejkwot} for the above input. C. Now consider a new signal y(t) = x(t) + 10 cos (50 pi t - pi/6). How is the spectrum ..
If an excess of holes is introduced into the center describe in words (and what a sketch would look like) of the minority carrier distribution after a time roughly about equal to the minority carrier lifetime
A very long cylinder of radius 2.00 cm carries a uniform charge density of 1.50 nC/m. Taking the reference level for the zero of potential to be the surface of the cylinder, find the radius of equipotential surfaces having potentials of 10.0V, 20...
The design specifications for a simple inverting amplifier require an input resistance of 10kOhm and a voltage gain, A=-6.2 a) prepare a design using an ideal OpAmp b)If a real OpAmp with the properties: Ri=2MOhm, A=200k, Ro=75Ohm
Determine the initial stored charge. Determine energy of the capacitor. If this capacitor is discharged to 0 V in a time interval of 1 s, find the average power delivered by the capacitor during the discharge interval.
The exponential Fourier series coecients for a signal x(t) are: ak= { 1.57 when k=0, 0 when k is even and k doesnt equal 0, ((-1)(k-1)/2)/k when k is odd} Determine the following: (a) Plot the spectrum of the Fourier series.
An example of a semigroup algorithm is finding the minimum. Develop a parallel algorithm for an n-dimensional hypercube that would determine the minimum data among all processors. Demonstrate your algorithm using a 3 dimensional hypercube
A 600V, dc shunt motor has an armature and field resistance of 1.5 ohm and 600 ohm, respectively. When the motor runs unloaded, the line current is 3A, and the speed is 1000 rpm.
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