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What is being asked? Using the values of the effective molar absorptivities you determined from your slopes and the values of the absorption you obtained for the mixture at the spectral maxima of 434 nm and 618 nm, solve the 2x2 simultaneous linear equations for the concentrations of bromothymol blue and thymol blue.
calculate the ph of buffer solution made from .20 M HC2H3O2 and .050 M C2H3O2 that has an acid dissociation constant for HC2H3O2 of 1.8*10-5.
Calculate the reaction's rate constant (k) at this temperature. Calculate the reaction's half-life (t1/2) at this temperature
A restriction enzyme has a recognition seuence between G and C in a palindrome. Show the products of the followling double stranded DNA upon treatment with the enzyme
What volume, in mL, of 0.1085 M H2SO4 would react exactly with 40.0 mL of a 0.995 M solution of KOH by the reaction: H2SO4 (aq) + 2 KOH (aq) -------> K2SO4 (aq) + 2H2O (l)
Show with the aid of a form of the Nernst equation that when using a pH sensitive glass electrode and reference electrode that the measured potential is proportional to pH.
Determine the number of moles of oxygen that would be needed to completely combust 0.0350 moles of benzene
Positive reactions were noted in undiluted, 1/2, 1/4. What is the patient's titer.
If the gas was not pure butane but 10 mole percent propane and 90 mole percent butane then determine how would the MW value be affected?
the boyle temperature is the temperature at which the coefficient b is zero. Therefore, a real gas behaves like an ideal gas at this temperature. (a) Give a physical interpretation of this behavior.
What is the molality of a solution of ethylene glycol that contains 63.0 g of (CH2OH)2 dissolved in 557.5 g of water? Use molar masses with at least as many significant figures as the data given.
the one in this module was performed to determine the solubility and the solubility product constant of Gallic acid
determine the boiling point of a solution of 72.4 g of glycerol dissolved in 122.5 g of
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