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Question- The infrared spectra of benzoin and benzaldehyde are given in this experiment. Interpret the principal peaks in the spectra.
I am in hurry anyone is there provide me the answer in quick phase
Calculate the pH at the equivalence point for the titration of .10 M NH3 by .10 M perchloric acid. pKb for NH3=4.74.
Calculate the change in molar Gibbs energy of tristearin when a deap-sea creature is brought to the surface ( p=1atm) from a depth of 2km. To calculate the hydrostatic pressure, take the mean density of water to be 1.03g/cm
What volume of 5.00 M solution (in mL) of calcium nitrate is needed to prepare 500.0 mL of a 0.250 M solution of calcium nitrate
consider the following unbalanced chemical equation c5h12l o2g co2g h2og what volume of oxygen gas measured at 23 c
Draw the lewis structures for each of the following molecules or ions. Which do not obey the octet rule? (a)NO (b) AlH3 (c) ICl2^- (d) OPBr3 (the P is the central atom) (e) XeF4
the molar heat of fusion of benzene is 9.92 kjmol. its molar heat of vaporization is 30.7 kjmol.calculate the heat
an empty erlenmeyer flask weighs 194.4 g. when filled with water d 1.00 gcm3 the flask and its contents weigh 489.1
Freezing point depression constant for camphor is 37.7 def C/m. If 225 mg of caffeine dissolved in 7.5g of camphor lowers the freezing point of the caphor by 5.82 deg C, the molecular mass of the caffeine is
Two acid-base reactions are given below. Of the three reaction arrows presented in each reaction, select the arrow (via the multiple choice circle before it) that best indicates the acid-base equilibrium position
Decide whether or not each of the following metals dissolves in 1 M HCl . For these metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
What would happen to the A450 valure for a sample as test tube#10(is included 1ml of 0.0025M Fe(NO3)3 , 1ml of 0.0025M KSCN, and 5ml of 0.1M HNO3 ) ,if accidentally added 5 drops of disodium hydrogen phospate
a stell cylinder has a length of 2.16in a radius of 0.22in and a mass of 41g. what is the density of the steel in gcm
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