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problem- the melting points of a series of 18-carbon fatty acids are stearic acid 696 c oleic acid 134 c linoleic acid
problem- if a salt having the formula x2y3 is added to pure water which of the following statements concerning its
problem- a 300-ml volume of 050 m ch3cooh ka18x10-5 was titrated with 050 m naoh calculate the ph after addition of 300
problem- iron vapor produces an emission spectrum that includes an intense peak at 5270 nm determine the frequency in
problem- a 0130-mole quantity of nicl2 is added to a liter of 120 m nh3 solution what is the concentration of ni2 ions
problem- how much heat is evolved in converting 100 mol of steam at 1600c to ice at -450c the heat capacity of steam is
problem- calculate the vapor pressure of water above a solution prepared by adding 245g of lactose c12h22o11 to 2000 g
problem- a mixture of 1374g of h2 and 7031g of br2 is heated in a 200l vessel at 700k these substances react as
problem- draw the structure of the simple dipeptides gly-ala and ala-gly circle the peptide bond in each
problem- you have an unknown that is one of the following compounds cyclohexanone p-tolualdehyde ethyl benzoatewhen you
problem- if the following reaction has the following concentration at equilibrium what is the equilibrium constant k
problem- given that the initial rate constant is 00170s-1 at an initial temperature of 27 c what would the rate
problem- 040 moles of an unknown acid hais added to 600 ml of pure water the ph of the resulting solution is 300 what
problem- how much does energu it take to warm 250 gram of carbon disulfide from -20 c to 40 c the materail remains
problem- calculate the concentration of pyridine c5h5n in a solution that is 015 m pyridinium bromide c5h5nhbr what is
problem- synthesize the following carboxylic acid using the compunds provided as the only sources of carbons along with
problem- calculate the amount of copper produced in 10h when aqueous cubr2 solution was electrolyzed by using a current
problem- sufficient sodium cyanide nacn was added to 0015 m silver nitrate agno3 to give a sloution that was initially
problem- draw both chair forms of 1s 3r-1-bromo-3-fluorocyclohexane circle the most stable conformerwrite solution with
problem- the reaction 2cof2 g co2 g cf4 g has an equilibrium constant of kc 220x106 at 292 k determine the value of
problem- hydrogen sulfide undergoes successive dissociations to give the sulfide ion s2- the equilibrium constant for
problem- which of the group 1 chlorides has the lowest molar solubility what is its solubility in moleslthank you my
problem- a buffer solution was prepared by adding 495 g of sodium acetate nach3co2 to 250 e2 ml of 150 m acetic acid
problem- glucose and mannose differ in structure only at one chiral carbon which term below best describes glucose and