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1) Calculate ?G and K for the following reactions (Use G = -nFE and the Nernst equation)a) 2Fe3+ + 2I - --> 2Fe 2+ + I2b) I2 + 2Br- --> 2I- + Br2All aqueous.
2) Calculate the potential delivered by a voltaic cell using the following reaction if all dissolved species are 2.5 x 10 -2 M and the pressure of H2 is 1.0 bar.
Zn(s) + 2H2O (l) + 2OH- (aq) --> [Zn(OH)4] 2- (aq) + H2 (g)
Which indicator would be the best to use when titrating ammonia with nitric acid? Kb of NH3 is 1.8 x 10-5.
While questioning him, you learn that he consumed two bottles of beer at lunch. The alcohol (ethyl alcohol/ethanol) content in a 12 oz. bottle of beer is about 5%. The man's weight is 150 lbs and he was drinking over an hour period.
2816 g sample of KHP required 29.68 ml of sodium hydroxide to reach the phenolphthalein point. calculate the molarity of the NaOh solution.
The ball travels straight upward. In the absence of air resistance, to what maximum height above the ground does the ball rise
What volume of glacial acetic acid (d= 1.06g/ml) and what weight of solid potassium acetate are required to prepare 5 liters of 0.2M acetate buffer
The molar heat of vaporization of ethanol is 39.9 kJ/mol and the boiling point of ethanol is 78.3°C. Calculate ?S for the vaporization of 0.50 mol ethanol.
The two new DNA molecules formed in replication. The nucleotides in the backbone of DNA are held together by bonds.
in a reaction where pbcl2 precipitate was formed using pbno33 and hcl explain why the pbcl2 precipitate dissolved when
Describe how you would construct your target electrochemical cell, including the identities and concentrations of all chemical species, as well as a diagram of the setup.
A student placed 11.5 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mark on the neck of the flask was reached. The flask was then shaken until the ..
Acetic acid, CH3COOH, is a weak organic acid, pKa 4.47. Determine the position of the equilibrium for the reaction of acetic acid with CH3ONa. Draw the species that predominate at equilibrium. Skip drawing the metal counter ion.
What molar ratio of acetic acid to sodium acetate is required to create a buffer solution having a pH of 4.84 at 25°C
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