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Equal volumes of three different weak acids, labeled as A, B, and C, are each titrated with the 0.1 M NaOH. Acid a needed 20 mL of NaOH and the pH at the stoichiometric point was 8. Acid B required
What error would result in the volume measurement, and what would be the effect of this error on the calculated density when the air bubbles were trapped in your solid beneath the liquid level in y
Hydrogen peroxide can decompose to oxygen and water by the following reaction: Determine the value of q(heat) when the 5.00 g of H2O2(l) decomposes at constant pressure.
Determine the percentage ionization of 0.0075M butanoic acid.(Ka=0.000015) and also determine the percentage ionization of 0.0075 M butanoic acid which is also 0.050 M in sodium butanoate.
Assume that the specific heat of the rocks is 0.082 J/ g-K Large beds of rocks are used in some solar heated homes to store heat.
O'Connell & Co. expects its EBIT to be $49,000 every year forever. Firm can borrow at 8%. O'Connell presently has no debt, and its cost of equity is 11%.
If store wishes to reach at least 570,000 people in "Under $30,000" market and 600,000 people in "Over $30,000" market, how much must it spend on every kind of advertising to minimize cost?
George has predicted annual demand for sailboats in year 5 will equal 5600 sailboats. Based on the data and the multiplactive seasonal mode what will demand level be for Georges sailboasts in spring
The BMT corporation has the stock price of $75 per share, and has 20 million shares of stock outstanding. Determine BMT's market capitalization.
If its exsiting checking account to assist satisfy compensating balance requirement, find the loans APR? How much should electronic borrow from the bank to have $50,000 available for use(to spend)?
The company produces batteries. It is evaluated that 5% of batteries produced are defective. Determine probability of least one defective battery in the sample?
The division sold 100,000 tablets during 2013. Find contribution margin per unit? Determine net income (or loss) for the company for the year?
Find how many of each kind of operation must be performed (ideally) for hospital to maximize its revenue. Determine maximal revenue?
Determine given variances illustrating all computations to support the answers. Clearly indicate whether variances are favorable or unfavorable.
The swimmer is swimming northwest at 2 mph in still water. Write the velocity of swimmer and state the answer in exact values. Include the sketch.
Where A is nxn matrix and b is vector in Rn. Assume that 1 is not eigenvalue of A. Determine vector v in Rn s.t. T(v)=v; this vector is known as equilbrum state of dynamical system x(t+1)=T(x(t)).
First seven entries of the certian row of Pascal's triangle are 1, 20, 190, 1140, 4845, 15504, 38760. Use this information to find first six entries of next row.
Arc(x) = the arc length of arc cut off by the chord of length x in the circle with radius 14. Write the formula to find length of the arc cut off by the chord of length y in circle of radius 5.
Suppose you manage the local Marble Slab Creamery ice cream parlor. Determine efficiency variances for direct labor and direct materials.
Student B's calibration graph showed that his difference increased regularly throughout the burette (i.e. he got +0.2 for 20 mL and +0.1 for 10 mL apparent and soon). Discuss why this might be so?
Suppose a student decided to speed up the laboratory. He decided not to dry his glassware throughout the calibration lab. Instead, he shook leftover water out of his Erlenmeyer flask by wr
Write the explicit formula for pattern of the numbers?. -2,5,0.5,0.92,0.24,0.92,0.19,0.07 write the explicit formula for pattern of the numbers
Creatinine is a protein released into the blood which is produced by the muscle. A sample which is having 1 g of creatinine is dissolved in the enough water to build the 1L of solution at the temper
Explain how might a compound of stoichiometry Cu1.77S come about when the common oxidation states of copper are +1 an +2.Discuss in detail.
Calculate a value for the atomic radius of gallium. Gallium crystalizes in a simple cubic lattice., when the density of gallium is 5.904g/cm3.