******Please be as specific as possible in your steps, so I can follow you without getting lost***********
Kw = Ka x Kb
Kb = Kw /Ka
Kb = 1.0 x 10-14 / 2.8 x 10-9
Kb = 3.57 x 10-6
2) Kw = Ka x Kb
Ka = Kw / Kb
Ka = 1.0 x 10-14 / 1.7 x 10-9
Ka = 5.9 x 10-6
******Please be as specific as possible in your steps, so I can follow you without getting...
Please answer fully so I can follow all steps, thank you! Ethanolamine, C2H7NO, is a clear, viscous, hygroscopic liquid with an ammonia-like odor. If a 0.25M solution of this compound is found to be 125 % ionized, determine the Kb and the Ka for this substance.
Help, Pleas explain in Detail each step on how you solved it, So
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Calculate the cell potential for the following reaction as written at 25.00 oC, given that [Mg2+] 0.758 M and [Ni2 0.0200 M. Standard reduction potentials can be found here. Mg (aq)+ Ni Number
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11-A pathologist observes that the bacteria in the dish have been growing exponentially from 1000 to 1800 between 1 p.m. and 3 p.m. (8 pts.) a) Given that the growth is exponential, N = Noe't where N is the number of bacteria and No is the initial bacteria count, use the information to find r, rounded to 3 decimal places. Hint: 1 p.m. is when t = 0. b) How many bacteria...
please solve and show steps so i can follow
4. Consider the space curve given by r(t) = (36,4 cost, 4 sint). If you start at the point (0,4,0) and travel in the positive direction (increasing t) for 10 units, where are you? Give both an exact answer and an answer rounded to two decimal places.
need help getting answers to 16 And 17, show work so i can
understand please.
16. If the specific heat of Aluminum is 900 (J/kg-°C), how much heat energy does it take to heat 10 grams of Alby 20°C ? 17. In the above question, if all the heat was transferred to water without any loss, what is the increase in water temperature? [ Specific heat of water is 4200 J/kg-C]
need help getting answers to 16 And 17, show work so i can understand please. 16. If the specific heat of Aluminum is 900 (J/kg-°C), how much heat energy does it take to heat 10 grams of Al by 20°C ? 17. In the above question, if all the heat was transferred to water without any loss, what is the increase in water temperature? [ Specific heat of water is 4200 J/kg-C]
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Nine uncharged capacitors with equal capacitances are combined in series. The combination is connected to a 7.85-V battery, which charges the capacitors. The charging process involves 3.95 x 10^-4 C of charge moving through the battery. Find the capacitance of each capacitor.
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A solenoid with 1200 turns per meter has a diameter of 9.00 cm. A current I = 2.64. A flows in the counterclockwise direction in the solenoid. A rectangular loop of length L = 16.0 cm, width w = 12.5 cm, and 2 turns is centered on the axis of the solenoid Find the magnitude of the magnetic flux through the loop. What...
Computer Systems/Architecture:
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1.) The HS Registrar has asked you to design an encoding of class year ("Freshman", "Sophomore", "Junior", "Senior") that will enable single bit error correction. Give an appropriate 5-bit binary encoding for each of the four years.
Can you walk me through the steps, I'm getting lost on how they
get 49/144 and how they get 121/144
Solve by completing the square. 6x2 + 7x=3 To complete the square, the coefficient of x2 must be 1. What number should each side of the equation be divided by so the coefficient of x2 is 1? 6 Divide both sides of the equation by 6. 6x2 + 7x 6 6 6 x2+x= Complete the square. 1 49 x2+x +...