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Problem- Using only ethyl acetate as a solvent, describe a laboratory procedure step-by-step to obtain pure benzoic acid from the mixture remember- the final product must be a solid
Explain each step included to obtain the solution
In BPTI the phenylalanine has five aromatic resonances of equal intensity. However after incubation in 6 M urea the same Phe has three resonances, one of which has half the integrated area of each of the others which have the same area.
suppose that 22.4 liters of air at stp is used to burn 3.50 g of carbon to form co2 and that the gaseous product is
What is the percent by mass of NaHCO3 in a solution containing 50 g of NaHCO3 dissolved in 400 mL of H2O?
soultion containing 10e-3 mol of dissolved Ag+ demonestrate that AgCl precipitate from the solution and calculate the wight og AgCl in grams that form per liter. Assume that all activities coefficients are equal to one.
given the following equation 2c4h1013o28co210h2owhat mass of water forms if 6.5 l of c4h10g 0.500 g of n2g and 0.410 g
What quantity of heat must be absorbed to convert 92.5 g of liquid vapor at its boiling point, -24.09 degrees C? The heat of vaporization of CH3Cl is 21/40kJ/mol
what concentration of substrate will give a velocity (v) of 62% of maximal velocity (Vmax)?
What is the ratio of ionized to unionized molecules at pH 8.5. What percentage of the molecule is ionized at pH of 8.5
write the balanced equation for the reaction for delta h is the lattice energy for potassium
The mass spectrum of an organic compound shows the relative abundances of M to be 36.44% and M 1 to be 8.277%. Assuming the peaks are caused by 12C and 13C isotopes
What is the absolute humidity of the cooled air? and What is the minimum mass flow rate of water into the swamp cooler?
Which compounds in problem are isomers? a)2-methylpropane b)2,4-dimethylpentane c)2,2-dimethylpentane d)4-ethyl-2-methylhexane e)2,3-dichloro-4-t-butylheptane f)4-ethyl-7-isopropyl-2,4,8-trimethyldecane g)4-isobutyl-3,4-dimethyl-5-sec-butyloctane..
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