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1. Using the PREN equation and the following 2 compositions, calculate which one has the greatest...
36. Indicate what is the effect of 1) increasing chlorides, 2) increasing Cr in the alloy. Do thi...
36. Indicate what is the effect of 1) increasing chlorides, 2) increasing Cr in the alloy. Do this by drawing arrows and clearly labeling each of these two effects. Current Density 37. Describe the limitations of using a corrosion resistant aluminum alloy in marine service 8. Calculate the PREN for an alloy with the following composition Cr-27.0, Ni-2.0, Mo 4.1,Mn-0.4 N-0.035. Would it be safe to use this alloy in seawater? 39. In certain stagnant situations, where oxygen concentration should...
Which one of the following has the greatest entropy? a) 2 mol N2(g) at 0.5 atm...
Which one of the following has the greatest entropy? a) 2 mol N2(g) at 0.5 atm and at 700oC. b) 1 mol N2(g) at 0.5 atm and at 400oC. c) 1 mol N2(g) at 0.5 atm and at 700oC. d) 1 mol N2(g) at 1 atm and at 400oC.
3. One period of a signal is given by the following equation: +1 1 0<t <3...
3. One period of a signal is given by the following equation: +1 1 0<t <3 x(t) = 3 NI+ 3 st 35 5 st 57 N Hint: Use the heaviside function in MATLAB to define x(t) for each time interval. Compute and plot for two periods the approximations of x(t) using 1. Complex Exponential Fourier Series computing 7 and 15 terms 2. Trigonometric Fourier Series computing 11 and 17 terms Note: You should get two figures at the end...
calculate the unit step response of a system with the difference equation y[n]+1.5y[n-2]=x[n]-x[n-1], y[-1]=2 ,y[-2]=1 which...
calculate the unit step response of a system with the difference equation y[n]+1.5y[n-2]=x[n]-x[n-1], y[-1]=2 ,y[-2]=1 which one of these choose a)0.5(-0.5)^n-3(-1)^n b)0.75(-0.5)^n-2(-1)^n c)0.5(-0.25)^n-3(-1.5)^n d) 1(-0.5)^n-3(-1)^n
1. Using Table 38.3 in the Voyce text, calculate the solubility of Manganese(II) hydroxide at 25oC...
1.
Using Table 38.3 in the Voyce text, calculate the solubility of
Manganese(II) hydroxide at 25oC
A.
5.7 x 10-5
B.
3.6 x 10-5
C.
4.4 x 10-7
2.
The pH of a 0.0147M KCN solution is:
A.
10.7
B.
5.52
C.
3.3
D.
8.48
3.
The pH of a buffer solution composed of 0.020M HCHO2
and 0.014M NaCHO2 is:
A.
3.59
B.
3.74
C.
3.90
4.
When 400ml of a 0.01M SnCl2 solution is mixed with a
300ml if...
SnowGeese File: Trial Diet WtChange DigEff ADFiber 1 Plants -6.0 0.0 28.5 2 Plants -5.0 2.5 ...
SnowGeese File:
Trial Diet WtChange
DigEff ADFiber
1 Plants -6.0 0.0
28.5
2 Plants -5.0 2.5
27.5
3 Plants -4.5 5.0
27.5
4 Plants 0.0 0.0
32.5
5 Plants 2.0 0.0
32.0
6 Plants 3.5 1.0
30.0
7 Plants -2.0 2.5
34.0
8 Plants -2.5 10.0
36.5
9 Plants -3.5 20.0
28.5
10 Plants -2.5 12.5
29.0
11 Plants -3.0 28.0
28.0
12 Plants -8.5 30.0
28.0
13 Plants -3.5 18.0
30.0
14 Plants -3.0 15.0
31.0
15 Plants -2.5 ...
(1 point) In this problem you will solve the differential equation or @() (1) Since P(a) 0 are not analytic at and 2()...
(1 point) In this problem you will solve the differential equation or @() (1) Since P(a) 0 are not analytic at and 2() is a singular point of the differential equation. Using Frobenius' Theorem, we must check that are both analytic a # 0. Since #P 2 and #2e(z) are analytic a # 0-0 is a regular singular point for the differential equation 28x2y® + 22,23, + 4y 0 From the result ol Frobenius Theorem, we may assume that 2822y"...
Homework #1-Chapter1&2&4&5 (20pts for turned in on time) 7. (14pts)Carbon Dioxide Emissions. Burning fuels in power...
Homework #1-Chapter1&2&4&5 (20pts for turned in on time) 7. (14pts)Carbon Dioxide Emissions. Burning fuels in power plants or motor vehicles emits carbon dioxide (CO2), which contributes to global warming. Table below shows CO2 emissions per person from countries with populations of at least 20 million. Carbon Dioxide emissions (metric tons per person) CO2 Country Ukraine SouthAfrica Italy Poland CO2 Country Country CO2 6.3 1.6 Ethiopia 0.1 Indonesia 7 1.8 Nepal Tanzania 0.1 Brazil 7.8 2 0.1 Egypt 7.8 Congo 2.6...
1. Using the Fourier series analysis Equation 3 for the periodic function r(t) shown in Figure 2....
1. Using the Fourier series analysis Equation 3 for the periodic function r(t) shown in Figure 2.1, determine both the DC coefficient ao and a general expression for the other Fourier series coefficients ak. Do this by hand, not in Matlab. Show all your work in your lab report. You can add these pages as hand-written pages, rather than typing them in to your lab report, if you prefer Hint 1: It will be easiest to integrate this function from...
Using the standard reduction potentials listed, calculate the equilibrium constant for each of the following reactions...
Using the standard reduction potentials listed, calculate the
equilibrium constant for each of the following reactions at 298
K.
A) Fe(s)+Ni2+(aq)→Fe2+(aq)+Ni(s)
Express your answer using two significant figures.
B) Co(s)+2H+(aq)→Co2+(aq)+H2(g)
Express your answer using two significant figures.
C) 10Br−(aq)+2MnO−4(aq)+16H+(aq)→2Mn2+(aq)+8H2O(l)+5Br2(l)
Express your answer using two significant figure.
E°(V) -0.83 +0.88 +1.78 +0.79 Half-Reaction E°(V) Half-Reaction Ag+ (aq) + - Ag(s) +0.80 2 H20(1) + 2 e — H2(8) + 2 OH+ (aq) AgBr(s) + - Ag(s) + Br" (aq) +0.10 HO2...
36. Indicate what is the effect of 1) increasing chlorides, 2) increasing Cr in the alloy. Do this by drawing arrows and clearly labeling each of these two effects. Current Density 37. Describe the limitations of using a corrosion resistant aluminum alloy in marine service 8. Calculate the PREN for an alloy with the following composition Cr-27.0, Ni-2.0, Mo 4.1,Mn-0.4 N-0.035. Would it be safe to use this alloy in seawater? 39. In certain stagnant situations, where oxygen concentration should...
3. One period of a signal is given by the following equation: +1 1 0<t <3 x(t) = 3 NI+ 3 st 35 5 st 57 N Hint: Use the heaviside function in MATLAB to define x(t) for each time interval. Compute and plot for two periods the approximations of x(t) using 1. Complex Exponential Fourier Series computing 7 and 15 terms 2. Trigonometric Fourier Series computing 11 and 17 terms Note: You should get two figures at the end...
1.
Using Table 38.3 in the Voyce text, calculate the solubility of
Manganese(II) hydroxide at 25oC
A.
5.7 x 10-5
B.
3.6 x 10-5
C.
4.4 x 10-7
2.
The pH of a 0.0147M KCN solution is:
A.
10.7
B.
5.52
C.
3.3
D.
8.48
3.
The pH of a buffer solution composed of 0.020M HCHO2
and 0.014M NaCHO2 is:
A.
3.59
B.
3.74
C.
3.90
4.
When 400ml of a 0.01M SnCl2 solution is mixed with a
300ml if...
SnowGeese File:
Trial Diet WtChange
DigEff ADFiber
1 Plants -6.0 0.0
28.5
2 Plants -5.0 2.5
27.5
3 Plants -4.5 5.0
27.5
4 Plants 0.0 0.0
32.5
5 Plants 2.0 0.0
32.0
6 Plants 3.5 1.0
30.0
7 Plants -2.0 2.5
34.0
8 Plants -2.5 10.0
36.5
9 Plants -3.5 20.0
28.5
10 Plants -2.5 12.5
29.0
11 Plants -3.0 28.0
28.0
12 Plants -8.5 30.0
28.0
13 Plants -3.5 18.0
30.0
14 Plants -3.0 15.0
31.0
15 Plants -2.5 ...
(1 point) In this problem you will solve the differential equation or @() (1) Since P(a) 0 are not analytic at and 2() is a singular point of the differential equation. Using Frobenius' Theorem, we must check that are both analytic a # 0. Since #P 2 and #2e(z) are analytic a # 0-0 is a regular singular point for the differential equation 28x2y® + 22,23, + 4y 0 From the result ol Frobenius Theorem, we may assume that 2822y"...
Homework #1-Chapter1&2&4&5 (20pts for turned in on time) 7. (14pts)Carbon Dioxide Emissions. Burning fuels in power plants or motor vehicles emits carbon dioxide (CO2), which contributes to global warming. Table below shows CO2 emissions per person from countries with populations of at least 20 million. Carbon Dioxide emissions (metric tons per person) CO2 Country Ukraine SouthAfrica Italy Poland CO2 Country Country CO2 6.3 1.6 Ethiopia 0.1 Indonesia 7 1.8 Nepal Tanzania 0.1 Brazil 7.8 2 0.1 Egypt 7.8 Congo 2.6...
1. Using the Fourier series analysis Equation 3 for the periodic function r(t) shown in Figure 2.1, determine both the DC coefficient ao and a general expression for the other Fourier series coefficients ak. Do this by hand, not in Matlab. Show all your work in your lab report. You can add these pages as hand-written pages, rather than typing them in to your lab report, if you prefer Hint 1: It will be easiest to integrate this function from...
Using the standard reduction potentials listed, calculate the
equilibrium constant for each of the following reactions at 298
K.
A) Fe(s)+Ni2+(aq)→Fe2+(aq)+Ni(s)
Express your answer using two significant figures.
B) Co(s)+2H+(aq)→Co2+(aq)+H2(g)
Express your answer using two significant figures.
C) 10Br−(aq)+2MnO−4(aq)+16H+(aq)→2Mn2+(aq)+8H2O(l)+5Br2(l)
Express your answer using two significant figure.
E°(V) -0.83 +0.88 +1.78 +0.79 Half-Reaction E°(V) Half-Reaction Ag+ (aq) + - Ag(s) +0.80 2 H20(1) + 2 e — H2(8) + 2 OH+ (aq) AgBr(s) + - Ag(s) + Br" (aq) +0.10 HO2...
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