Find the ph of a 0.135 M aqueous solution of periodic acid (HI04), for which Ka =2.3 x10-2.
PH = PKa + Log CNow,ka =2.3 * 10-2So Pka = -log (2.3*10-2)= 2-log(2.3)=1.638Now,Concentration = 0.135 MPutting all valuesPH = 1.638 + log(0.135) = 0.768
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T 18.7-10. Find the optimal ordering policy for the stochasticsingle-period model with a setup cost where the demand has theprobability density function(PD(E) =20for 0 s $ $ 20fort odhoash ahand (R.810otherwise,and the costs arefrommollodient mortHolding cost = $1 per item,Shortage cost = $3 per item,Setup cost = $1.50,Production cost = $2 per item.
Find the open intervals where the function f ( X ) = In ( * = + 4 ) is concave upward or concave downward . Find any inflection points .Select the correct choice below and fill in any answer boxes within your choice*O A . The function has a point of inflection at.( Type an ordered pair . Use a comma to separate answers as needed . )OB . The function does not have an inflection point .Select the correct choice below and fill in any answer boxes within your choice .A . The function is concave upward on the interval ( s )( Type your answer in interval notation . Use a comma to separate answers as needed . )B . The function is never concave upward .Select the correct choice below and fill in any answer boxes within your choice*O A . The function is concave downward on the interval ( s )*( Type your answer in interval notation . Use a comma to separate answers as needed . )OB . The function is never concave downward .
Find the number, and name of each customer that currently has an order on file for a Rocking horse:
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Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 15.0 cm and b = 29.0 cm. (Indicate the direction with the sign of your answer. Assume that the positive direction is counterclockwise.) Answer= __________N m
Find the net force on the moon (Mm 7.35×10^22) due to the gravity attraction of both Earth (Me= 5.98×10^24) and the sun (Mg= 1.99×10^30) assuming they are at right triangles to each other Earth is 3.84×10^5km from the moon.
Find the names of teams that win all the teams beaten by “Bulls”.Find the names of teams who win all the games when they play with “Knicks”.• TEAM(TNAME, TID, DIVISION)Lakers, T1, WestBulls, T2, EastRockets, T3, WestKnicks, T4, EastNets, T5, EastSpurs, T6, WestGAME(HOST, GNO)T1, G1T1, G2T2, G3T2, G4T3, G5T3, G6T4, G7T4, G8RESULT(TID, GNO, SCORE)T1, G1, 120T1, G2, 90T2, G3, 93T2, G4, 88T3, G5, 91T3, G6, 121T4, G7, 101T4, G8, 82T4, G1, 74T2, G2, 100T5, G3, 75T6, G4, 105T6, G5, 115T5, G6, 89T5, G7, 61T1, G8, 102
Find the most general anti-derivative. (Use C for the constant of integration. Remember to use absolute values where appropriate.)
f '(x) = 3x^2 − 18x + 6
Find the present values of the following cash flow streams. The appropriate interestrate is 8%. (Hint: It is fairly easy to work this problem dealing with the individualcash flows. However, if you have a financial calculator, read the section of the manualthat describes how to enter cash flows such as the ones in this problem. This will takea little time, but the investment will pay huge dividends throughout the course. Notethat, when working with the calculator’s cash flow register, you must enter CF0 = 0.Note also that it is quite easy to work the problem with Excel, using procedures described in the Chapter 4 Tool Kit.)Year Cash Stream A Cash Stream B$300400400400100b. What is the value of each cash flow stream at a 0% interest rate?
Find the present values of the following cash flow streams. The appropriate interest rateis 8%. (Hint: It is fairly easy to work this problem dealing with the individual cash flows.However, if…
Find the present value of the following mixed stream of cash flows (as of Year 0) using a discount rate of 7%. Assume the cash flows are received at the end of each year. Year 1= 6,000 Year 2= 5,000 Year 3= 9,000. Present Value ($)=?
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