Question
Transcribed Text
An electrodialysis machine is a device that can filter impurities from water by running a
current through various solutions and selectively permeable membranes. Through a
particular series of experiments, it is found that for pure water alone, the voltage of the
device (measured in Volts) is related to the current density 3 (measured in A/cm²) by the
empirical fit:
V = aln(bj - c). for 0.07.
Here a = 0.12 V. b = 2.8 X 10° cm2/A, and c = -60.
In this homework, we will write a simple program to prompt a user for 3 values of
the
current density in the range 0 to 0.07. separated by spaces, and then display a nicely
formatted table of the results.
Some notes about the formatting:
1. The widths of the left and right side correspond to the widths of the left and right
labels, "Current [A/em^2] and "Voltage [VI", respectively.
2. The table numbers should be displayed with 3 digits of precision in the fixed format.
3. The data on the left should be right justified, and the data on the right should be
left justified.
Do not forget to comment your code. The program should execute in the following
manner. You must make sure the output matches the format below perfectly.
Enter three current densities in the range from o to 0.07 A/cm ^2
separated by spaces: [NUMBER] [NUMBER] [NUMBER]
Here is your table:
/Table goes here/
Enter three current densities in the range from 0 to 0.07 A/cm^2
separated by spaces: 0.009 1025 0.064
Here ic your table:
Current: TA/cm^21:Unltage rul
0.009 12.045
0.025 2.168
0.064:2.280
Solution Preview
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#include <cstdlib>#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;
double voltage(double density);
/*
*
*/
int main(int argc, char** argv) {
double densities[3];
cout << "Enter three current densities in the range from 0 to 0.07 A/cm^2 separated by spaces: ";
for (int i = 0; i < 3; i++) {
cin >> densities[i];...
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Solution.cpp.
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