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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. 10ml of this reacted exactly with 12.65ml of 0.1 mol/l of naoh.how do u find the mass of ca2co3 in the eggshell
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 ..
Draw a six carbon alkyne that can exist as diastereomers. The molecule should only contain only carbon
What profit or loss would the investment banker incur if the issue sold to the public at an average price of $25 per share and what profit or loss would the investment banker incur if the issue were sold to the public at an average price of $15 p..
Gallium arsenide is a polymeric material, but its mass spectrum shows fragments with formulas GaAs and Ga2As2. What would the distribution of peaks look like for these two fragments?
Estimate your firm's short-run production function. Do the parameter estimates have the appropriate algebraic signs Are they statistically significant at the 5 percent level b. At what point do you estimate marginal product (MP) begins to fall
Make a new solution with a total volume of 10.0 mL and How many moles are contained in 500.0 mL of solution
Explain why Markovnikov's rule is needed to predict the products of hydration and hydrohalogenation, but is not needed to predict the products
calculate the activation energy for diffusion for a system where the diffusion coefficient doubles its value from 700k to 1200k. R=8.314J/molk.
What mass of potassium bromide residue remains if 500.0 mL of 0.200 M potassium bromide solution are evaporated to dryness.
Write the net ionic equation for each of these reactions and demonstrate how two of them add together to yield the third. Using your data and Hess's Law, determine the enthalphy of ionization of HC2H3O2.
A solution is prepared from 0.95 grams of H3PO4 ,(Phosphoric acid) and 1.15 grams of HClO4 (perchloric acid) in 150 mili litres of solution then determine how many milliliters of 0.425 M sodium hydroxide( NaOH) is needed.
A solution of salt (molar mass 90 g mol -1) in water has a density of 1.29 g/mL. The concentration of the salt is 35% by mass.
the solubility of O2(g) in water is 4.43 mg O2/100 g H20 at 20 degree Celsius when the gas pressure is maintained at 1 atm. What is the molarity of the saturated solution?
Calculate the standard enthalpy of the reaction, \Delta {{H}^\circ}_{\rm rxn}, for the thermite reaction: \rm 2Al(s) + Fe_2O_3(s) \rightarrow 2Fe(s) + Al_2O_3(s)
How should a professional emergency responder be concerned about the following routes of radiation exposure for a person on scene and a person downtown?
How much of methane gas will be produced in anaerobic decomposition assuming a complete conversion of MSW into CH4CO2NO, and SO2.
The simplest carbene known is methylene. The non-bonded electrons can be paired (singlet methylene) or unpaired (triplet methylene).
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