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He makes decision to take out the short-term loan to help with expenses until current house sells. If bank charges 9% simple annual interest, how much will David owe at maturity of the 90-day loan o
Calculate the probable reason Kaye plotted %Transmittance for the curve? Determine which would be more accurate titration of the photometry?
Phosphorite is a mineral that is having 25% other non-phosphorus materials and 75% calcium phosphate. Calculate the mass of P4(s) can be formed from 1.0 Kg of phosphorite assuming an 80% yield of phos
How would you calculate the ionization energy for the electron in the higher energy state? What are your assumptions and what energy do you calculate?
Ph-CH=CH2 reacts with 1. BH3,THF then 2.H2O2, diluted. NaOH togive PhCH2CH2OH + 1-butanol. Calculate the reaction mechanism for the formation of 1-butanolproduct.
What function forecasts for percent of freshmen entering college in 2002 who performed volunteer work during their last year of high school?
When the pH is raised to pH 7.4however, polyglutamate spontaneously unfolds to a randomly-coiled conformation. Polyglutamate is a polypeptide made of only L-glutamate residues that forms an α-
Denatured protein completely refolded upon the anaerobic removal of urea and β-mercaptoethanol in A Finsen's experiment. However, when the protein insulin, which consists of two non-identical A
Write down a balanced equation for the combustion of 1 mole of C8H18(l). Write a balanced equation for the formation of C8H18 from its elements.
Discuss what exactly the purpose of acetylating is and what would be the objective in practical terms to do an experiment like this?
On the basis of this statement, determine the ionization energy of hydrogen in units of (a) kilojoules per mole and (b) joules per atom when the removal of an electron from the hydrogen atom corresp
Determine the numbers of grams of water could have its temperature raised by the 5.0 degrees Celsius by a mole of photons that have a wavelength of a) 300 nm and b) 600nm?
A sample containing 1.75 mol of an ideal gas at 325 K is expanded from an initial volume of 15.5 L to a final volume of 75.0 L. Determine delta A and delta G for this process for
Use exponential regression to model price p(t ) as the function of time t since 1994. Extrapolate the model to evaluate cost of the two-bedroom uptown apartment in 2012.
Calculate the molar concentration of chloride in the resulting solution if 50.0 mL of a 0.10 M solution of sodium chloride is mixed with 50.0 mL of 0.10 M magnesium chloride.
Why helium spectrum has only six lines? Does this mean that there are only 6 possible electronic transitions in helium? Explain why or why not?
Calculate the molarity of the sodium hydroxide solution if 32.96 mL of a NaOH solution are needed to tirate 25.00mL of 0.08121 M H2C2O4 to the end point.
Determine the exponential model for fly population, and use model to forecast how many flies commission must expect to catch in 2012 (t=4)
Calculate the molar mass of the acid if 24.92 mL of the NaOH solution from the previous question are needed to titrate 0.1932g of an unknown dipodic (n=2) acid.
Why is it important to rinse the wet pipet with small portions of the standard oxalic acid solution in the standardization of NaOH solution.
Calculate the molarity of NH3 in the solution if an aqueous solution contains 4.55%NH3 (ammonia) by mass. The density of the aqueous ammonia is 0.979 g/mL.
When ammonia is formed using the Haber process in which hydrogen and nitrogen combine. N2(g) + 3H2(g) =>2NH3(g) determine the numbers of grams of nitrogen are required to form the 650 grams
Determine the pH of a solution that is 0.210 M in sodium acetate, NaC2H3O2 and 0.120 M in acetic acid , HC2H3O2 The Ka of acetic acid is 1.76 x 10-5.
Determine the numbers of grams of sodium acetate must be added to 100ml of0.150 M in sodium acetic acid in order to form a solution with a pH of 4.620?
At 4.2 K the Liquid helium has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 99K and 2.0 atm pressure is sealed off.