This question is giving me a bit of a trouble, any assistance would be greatly appreciated!...
This question is giving me a bit of a trouble, any assistance would be greatly appreciated!
Question: By how many millivolts will the potential of
a potassium electrode increase if it is removed from a
1x10-6 M solution of KCl and placed in a
1x10-3 M solution of KCl?
(Give your answer to the nearest millivolt, with no decimal
places)
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This question is giving me a bit of a trouble, any
assistance would be greatly appreciated!...
This one is giving me some trouble. Any help is greatly appreciated. Please show all steps....
This one is giving me some trouble. Any help is greatly
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Air at l atm and 20°C is flowing over the top surface of a L=0.2 m × w=0.5 m-thin metal foil. The 7650 W/m 2. If the friction force on the metal foil surface is 0.3 N, determine the surface temperature of the metal foil. Evaluate the fluid properties (Table A-15) at the film temperature of 120°C. After finding the surface temperature, recalculate...
Hi, looking for a worked solution for this question. Any assistance would be greatly appreciated. Question 6 (11 mar...
Hi, looking for a worked solution for this question.
Any assistance would be greatly appreciated.
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Very stuck on this question so any help would be greatly appreciated! The chapter in the...
Very stuck on this question so any help would be greatly
appreciated! The chapter in the textbook discusses
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3. Two students recrystallize crude methyl m-nitrobenzoate from ethanol instead of methanol. One has no problems and gets pure product mp 775-785°C. But for the other student, the product initially oils out instead of giving crystals. After a tremendous amount of work, she finally gets a low yield of crystals. However, the mp is 45-47 °C instead of 775-78....
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I am having trouble with this linear algebra question. Any help would be greatly appreciated. QUESTION 10: Throughout this question f : R → R will denote the periodic extension (with period 2) of the...
I am having trouble with this linear algebra question. Any help
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QUESTION 10: Throughout this question f : R → R will denote the periodic extension (with period 2) of the function if z e [0, 1) f.: [0, 2]-→ R : x → f(x) ={2-r if re[1, 2] Do the following (a) Sketch the graph of f. 3 marks (b) Find a formula for f(t) that is valid for all t e I-1, 1]. Give...
Please help on 9a,9b,9c,9d,9e and question 10a,10b, i would greatly appreciate it thank you in advance...
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9. a.What is the cell diagram? (12 points) te the cell diagram for a galvanic cell cosseting of an Al electrode, placed in a 1M Al(NOs solution and Ag electrode places in 1 M AgNO, solution. c. Calculate the standard Ecell. d Wrie te cquation for dhe ell recin hah ocurs uer condion e. Which electrode is the anode? cathode? 10. Explain whether Ecell...
NEED MAJOR HELP PLS! work shown would be greatly appreciated Question 4 2 pts If you...
NEED MAJOR HELP PLS! work shown would be
greatly appreciated
Question 4 2 pts If you add 126.45 mL of water to 18.99 mL of 3.36 M sodium hydroxide, what is the molarity (M) of the resulting solution? Use the dilution equation Mconc *V conc=Mdii * Vdil, where Mconc and Vconc are the molarity and volume of the stock (more concentrated) solution, respectively, and Mdil and Vdil are the molarity and final volume of the diluted solution. In this case...
Any help with this test prep question would be greatly appreciated. A block of mass M...
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Please help with all parts of the question. Any work shown would be greatly appreciated! Thank...
Please help with all parts of the question. Any work shown would
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A circuit is constructed with six resistors and two batteries as shown. The battery voltages are V1 18 V and V212 V. The positive terminals are indicated with a sign, The values for the resistors are: RI-R5-70 Ω, R2-R6-105 Ω R3-59 Ω, and R4-82 Ω. The positive directions for the currents l1, 12 and 13 are indicated by the directions of...
D1 = 7 D2 = 4 Any assistance would be greatly appreciated Question 3 Left end (x 0) of a copper rod of length 100mm is kept at a constant temperature of Temp - 10+d2 degrees and the right end and...
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Any assistance would be greatly appreciated
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This one is giving me some trouble. Any help is greatly
appreciated. Please show all steps.
Air at l atm and 20°C is flowing over the top surface of a L=0.2 m × w=0.5 m-thin metal foil. The 7650 W/m 2. If the friction force on the metal foil surface is 0.3 N, determine the surface temperature of the metal foil. Evaluate the fluid properties (Table A-15) at the film temperature of 120°C. After finding the surface temperature, recalculate...
Hi, looking for a worked solution for this question.
Any assistance would be greatly appreciated.
Question 6 (11 marks) a) Derek's company has existing assets that generate Earnings Per Share EPS of $5. If Derek does not invest except to maintain existing assets, EPS is expected to remain constant at $5 a year. However, starting next year, Derek an opportunity to invest $3 per share a year in developing a new technology. Each investment is expected to generate a 20%...
Very stuck on this question so any help would be greatly
appreciated! The chapter in the textbook discusses
transesterification. Thank you!
3. Two students recrystallize crude methyl m-nitrobenzoate from ethanol instead of methanol. One has no problems and gets pure product mp 775-785°C. But for the other student, the product initially oils out instead of giving crystals. After a tremendous amount of work, she finally gets a low yield of crystals. However, the mp is 45-47 °C instead of 775-78....
Any help on this question would be greatly appreciated. I need
to give my answer in terms of the radius of earth.
Thanks!
The period of a pendulum oscillating on the surface of planet Ceti-Alpha-5 is 1.4 times as great as its period on the surface of the earth. If the mass of Ceti-Alpha-5 is 0.6 times that of the earth, what is its radius? Express your answer in terms of the radius of the earth
I am having trouble with this linear algebra question. Any help
would be greatly appreciated.
QUESTION 10: Throughout this question f : R → R will denote the periodic extension (with period 2) of the function if z e [0, 1) f.: [0, 2]-→ R : x → f(x) ={2-r if re[1, 2] Do the following (a) Sketch the graph of f. 3 marks (b) Find a formula for f(t) that is valid for all t e I-1, 1]. Give...
Please help on 9a,9b,9c,9d,9e and question 10a,10b, i would
greatly appreciate it thank you in advance
9. a.What is the cell diagram? (12 points) te the cell diagram for a galvanic cell cosseting of an Al electrode, placed in a 1M Al(NOs solution and Ag electrode places in 1 M AgNO, solution. c. Calculate the standard Ecell. d Wrie te cquation for dhe ell recin hah ocurs uer condion e. Which electrode is the anode? cathode? 10. Explain whether Ecell...
NEED MAJOR HELP PLS! work shown would be
greatly appreciated
Question 4 2 pts If you add 126.45 mL of water to 18.99 mL of 3.36 M sodium hydroxide, what is the molarity (M) of the resulting solution? Use the dilution equation Mconc *V conc=Mdii * Vdil, where Mconc and Vconc are the molarity and volume of the stock (more concentrated) solution, respectively, and Mdil and Vdil are the molarity and final volume of the diluted solution. In this case...
Any help with this test prep question would be greatly
appreciated.
A block of mass M = 2.0 kg accelerates to the right on a surface with a kinetic coefficient of friction of MU_k = 0.30 pulled by a massless string which passes over a massless and frictionless pulley as shown. A block of mass m = 1.0 kg hangs freely from the other end of the string. Call the tension in the string T and the frictional force F_F....
Please help with all parts of the question. Any work shown would
be greatly appreciated! Thank you in advance!
A circuit is constructed with six resistors and two batteries as shown. The battery voltages are V1 18 V and V212 V. The positive terminals are indicated with a sign, The values for the resistors are: RI-R5-70 Ω, R2-R6-105 Ω R3-59 Ω, and R4-82 Ω. The positive directions for the currents l1, 12 and 13 are indicated by the directions of...
D1 = 7
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Any assistance would be greatly appreciated
Question 3 Left end (x 0) of a copper rod of length 100mm is kept at a constant temperature of Temp - 10+d2 degrees and the right end and sides are insulated, so that the temperature in the rod, u(x,t). obeys the heat partial DE, CD11 mms copper. where D-1 mm's for copper (a) Write the boundary conditions for u(x, 1) of the problem above. Note that for...
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