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The standard molar entropy for Br2(g) is 245.46j/(mol*K) at 25 degrees Celsius. Given that delta S=104.58J/K for the dissociation of one mole of Br2(g) into Br(g) at 25 degrees, find the standard molar entropy for Br(g) at 25 degrees Celsius.
Exactly 150mL of 0.13M HNO2 is titrated with 100mL of 0.13 M NaOH. What is the pH at the endpoint.
why vanderwaals equation of state is not well defined in 1 dimension. and what is ratio of critical constants in 2 dimension and 3 dimension.
Its titrated with NaOH. Being a triprotic and having 3 acid dissociation constants Ka1, Ka2, Ka3 one would expect to see three equivalence points. Why does it only show two equivalence points
a 20.0 mL sample of NaIO3 was treated with an acess of KI and HCl and the iodine produced titrated with 0.05125 M Na2S2O3. If 19.35 mL, of Na2S2O3 solution were required to reach a strach-iodine endpoint, what was the concetration of the NaIO3
Although Pd (II) complexes with monodentate O-donor ligands are not as plentiful as those with P- , S- and As-donor Ligands
When 50.0 mL of 0.50 M formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH for each of the following: Ka of formic acid = 1.8 x 10^-4 Be sure to account for volume changes at each step.
A large number of polycyclic benzenoid aromatic hydrocarbons are known. One of these, benz/a/pyrene, is a powerful carcinogen found in tobacco smoke.
dinitrogen pentoxide n2o5 decomposes in the gas phase to form nitrogen dioxide no2 and oxygen gas o2. the reaction is
the piton of an internal combustion engine compresses 671 ml of gas. the final pressure is 15 times greater that the
strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. if the mass of an atom of sr is
A 10mL aliquot of this solution, diluted to 25mL, yielded a signal of .235 units. A second 10 mL aliquot was spiked with 10mL of 1ppm standard solution of the analyze and diluted to 25mL. The signal for the spiked sample was .502 units. What is th..
What is the osmotic pressure, in atm, of a solution formed by dissolving 14.1 g of CaBr2 in 0.670 L of water at 53.4 oC? (R = 0.0821 L-atm/mol-K; 0 oC = 273 K)
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