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The equilibrium constant of a reaction is found to fit the expression ln K = A + B/T + C/T^3 between 400 K and 500 K with A = -2.04, B = -1176 K, and C = 2.1 x 10^7 K^3. Calculate the standard reaction enthalpy and standard reaction entropy at 450 K.
which is an aqueous solution of acetic acid, HC2H3O2 , requires 24.5 mL of 0.450 M NaOH to reach the endpoint in a titration. What is the molarity of the acetic acid solution
Silver chloride, often used in silver plating, contains 75.27% Ag.Calculate the mass of silver chloride in grams required to make 4.4 grams of silver plating.
Using the average bond dissociation enthalpies(BE) given, estimate the standard molar heat of reaction of the gas-phase reaction of hydrogen peroxide with methanol to yield formaldehyde and water:
Cocaine overdose and addiction are major public health problems. One novel treatment involves the administration of high activity mutants of human butyrylcholinesterase (BChE) (i.e. this would be a protein-based ‘drug') that would hydrolyze and d..
What is the difference in water solubilities of fumaric and maleic acid? Which one is more water soluble?
A solution is prepared by mixing 70.0 mL of 0.010 M BaCl2 and 175 mL of 0.080 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4? ) are present.
Rank PhCH3, Ph2CH2, and Ph3CH in order of acidity Rank the following compounds from most acidic to least
a weather balloon with a 2-meter diameter at ambient temperature holds 525 grams of helium. what type of electronic
What is the rate constant for a) a zero order reaction, b) a 1st order reaction, c) a 2nd order reaction, and d) a 1/2 order reaction? All concentrations are expressed in molarity
Calculate the atomic mass of zinc from the relative peak intensities in the following spectrum. peak intensity for zinc 64 = 100 peak intensity for zinc 66 = 57.4 peak intensity for zinc 68 = 38.6
Vitamin C, Molar mass 176.12 g/mol, is a compound of C, H, and O, and found in many natural sources, especially citrus fruits. When 1.000 g sample of vitamin C is burned in a combustion apparatus, the following data are obtained
why is sebacic chloride converted to sebacoyl chloride to make nylon polymer. What would the product be if hexanediamine reacted directly with sebacic acid
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