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The value of Ka for nitrous acid (HNO2) at 25C is 4.5*10^-4. What is the value of deltaG when [H+]= 5.9*10^-2 M, [NO2^-]= 6.1*10^-4 M, and [HNO2]= 0.19 M?
Calculate the number of electrons transferred in the following reaction when it is correctly balanced. C5H8O(g) + O2(g)---> CO2(g) + H2O(l)
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during steam distillation.
the chloride of an unknown metal is believed to have the formula mcl 3. a 1.891g g sample of the compound is found
Consider the titration of 30.0 ml of 0.035 M NH3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have been added.
in order to ingratiate himself with voters the mayor of gotham city decides to lower the price of taxi rides. assume
In 1895 Marie Curie knew that radium had the same solubility properties as others in its periodic table column. To precipitate this compound from a soluble radium salt (the chloride) what should she mix into the solution to yield a radium compound..
A solution of 0.312 M KOH is used to titrate 15.0 mL of a H2SO4 solution. write the balanced chemical equation. what is the molarity of the H2SO4 solution if 28.2 ml of the KOH solution is required?
A beaker with 160 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.40 mL of a 0.400 it M HCl solution to the beaker. How much will the..
Calculate the maximum work for the following cell if 88.9 g of Cl2 are produced and the emf is 0.520 V: 2 BaCrO4 + 16 H3O+ + 6 Cl- 2 Ba2+ + 2 Cr3+ + 3 Cl2 + 24 H2O
Calculate the mass of the deuteron given that the first line in the lyman series of H lies at 82,259.098 cm-1, whereas that of D lies at 82,281.476 cm-1 , and calculate the ratio of the ionization energies of H and D.
Calculate the amount of heat required to raise the temperature of 72 g of H2O from 23 degrees celcius to 115 degrees celcius
A particular enzyme catalyzed reaction was followed and data collected as indicated below. Using the data, determine the Michaelis constant and the maximum velocity of the reaction.
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