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If you look up the melting point of phenylsuccinic acid, you will find it to be 167-169 degree. Your product probably melting at a higher temperature. How do you account for this apparent discrepancy?
A titration is performed in which 50.0 mL of 0.0463 M acetic acid (Ka = 1.8*10^-5) is titrated with 0.1000 M NaOH. Calculate the pH at the beginning of the titration
the haber-bosch process for fixation of nitrogen is one of the more important chemical reactions ever invented. without
What is the pH of a buffer solution if 100.0 mL of the solution is 0.15 M with respect to acetic acid and contains 1.56 g of sodium acetate, CH3COONa.
an fm station broadcasts at 106.9 mhz calculate the wavelength of the corresponding radio waves? what is the amount of
Identify the following compound from its IR and proton NMR spectra. C4H6O: NMR: ? 2.43 (1H, t, J = 2 Hz); ? 3.41 (3H, s); ? 4.10 (2H, d, J = 2 Hz) IR: 2125, 3300 cm1
the activation energy of a certain reaction is 44.5kjmol. at 21 the rate constant is0.0110 s-1 . at what temperature
the elements of which groups in the periodic table release the most energy by gaining an electron. the elements of which group in the periodic table absorb energy when gaining an electron.
Using the value of Ka from your titration curve, calculate that pH at the equivalence point?
A sample of hydrogen occupies a volume of 1.20 liters at a pressure of 425 kilapascals. If the temperature of the gas is constant, what would the new volume of the gas be at 615 kilapascals?
Important information about Conceptual Organic chemistry and What chemical tests might be used to distinguish between pentanal and 2- pentanone; between benzyl alcohol and diphenylmethanol?
How do you know when an element that is by itself has an oxidation number of zero or its charge
can dissolve an aluminum soft-drink can in an aqueous base. 2 Al (s) + 2 KOH (aq) + 6H20 (l)---> 2KAI(OH)4(aq) + 3H(g) If you place 2.05g of aluminum in a beaker with 185 mL of 1.35 M KOH, will any aluminum remain. What mass of KAI(OH)4 is produce..
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