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What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115M HC2H3O2 - 0.500M NaC2H3O2 ? For MnS, Kspa=3x10^7
the most efficient production technology available for making vitamin pills has the cost structure given in the following table. Note that output is measured as the number of bottles of vitamins produced per day and that costs include a normal pro..
What is the balanced equation for the conversion of the fatty acid H3C-(CH2)20-COOH to acetyl CoA and other products?
A zero coupon Treasury bond is scheduled to pay $1000 in 25 years. If the current Treasury yield rate on this maturity of bonds is 4.5% YTM (APR), what would be the estimated price of this bond today?
3.953g of egg shell was reacteed with 50ml of 0.1 mol/l hcl and shel contains ca2co3 after all the sheell reacted resultign solution was placed in a columetric flask and th colume made up to be 100ml.
Davy Metal Company produces brass fittings. Davy's engineers estimate the production function represented below as relevant for their long-run capital-labor decisions. Q = 500L^0.6K^0.8 where Q = annual output measured in pounds.
A firm estimates that its total cost function is accurately estimated by the equation TC = 6,000 + 19Q - 5Q^2 + 0.5 Q^3 a. How much is MC at an output of 10 units b. At which output level AVC reaches its minimum
degrees C are warmed to 100 degrees C. what is the new volume if the pressure remains constant?
Your firm's the production function: Q = 4K^1/2L^1/2 Suppose that the price of labor is $5 and the price of capital is $20. Your firm desires to produce 200 units of output. How much labor will be hired to minimize the costs of producing 200 units..
What bond angles do you expect for each of the following, and what kind of hybridization do you expect for the central at atom in each?
Suppose that the market price for a bottle of vitamins is $2.50 and that at that price the total market quantity demanded is 75,000,000 bottles. How many firms will there be in this industry d.Suppose that, instead, the market quantity demanded at ..
A pipette is used to add 32 mL of 0.2 M Pb(NO3)2 to a 261.0 mL solution of 0.3 M NaF. Determine the equilibrium concentration of Pb2+(aq) in the final solution. Ksp(PbF2)=3.6E-8.
At a particular temperature, K = 4.0 x 10^-7 for the reaction N2O4(g) ---> 2NO2(g). In an experiment, 1.0 mol N2O4 is placed in a 10.0L vessel. Calculate the concentrations of N2O4 and NO2 when this reaction reaches equilibrium.
bismuth oxide reacts with carbon to form bismuth metal:when 217g of Bi2O3 reacts with carbon, how many moles of Bi2O3 react?
Write the chemical equation for the formation of CH from H and C atoms. Lone pairs do not need to be included. Then Using the table of bond energies determine the ?H for the above reaction.
How many grams of the solid can be formed from 268 g of calcium nitrate and 115 g of phosphoric acid?
One of the alkali metals reacts with oxygen to form a solid white substance. When this substance is dissolved in water, the solution gives a positive test for hydrogen peroxide, H2O2.
The osomotic pressure of this solution was 10.68 torr at 25 degrees C. What is the molecular mass of the protein?
Based on standard reduction potentials, would you expect copper metal to oxidize under standard conditions in the presence of oxygen and hydrogen ions
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 92% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9* 10-12.]
What is the average molar mass (in g/mol)? What is the relative standard deviation(RSD) in parts per thousand (ppt)? Report your answer to the correct number of significant figures.
A solution is 0.0100 M in Pb2+ ions. If 0.103 mol of solid Na2SO4 is added to 1.00L of this solution (with negligible volume change), what percent of the Pb2+ ions remain in solution.
An aqueous solution contains 12.5% NaCl by mass. What mass of water (in grams)is contained in 2.5L of the vapor above this solution at 55 celcius? the vaor pressure of pure water at 55 celcius is 118 torr.
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