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A voltaic cell is constructed with two silver-silver chloride electrodes, where the half-reaction isAgCl (s) + e-? Ag (s) + Cl- (aq) E° = +0.222 V
The concentrations of chloride ion in the two compartments are 0.0222 M and 2.22 M, respectively.
The cell emf is _______ V.
A sample of water vapour at 200 degrees C is compressed isothermally from 350 cm^3 to 120 cm^3. What is the change in its molar Gibbs
For each of the following acid-base reactions, calculate the mass (in grams) of each acid necessary to completely react with and neutralize 5.15 of the base.
Which of the five cobalt complexes, [Co(NH3)5X]^y+ (where X is one of the five ligands, Br-, Cl-, F-, H2O, or NH3 and y is the magnitude of the positive charge) will absorb the shortest wavelength of light? Which will absorb the longest wavelength..
The rate constants of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 350 K and 360 K. What must the activation energy be for the rate constant to double as described
You respond to a 2AM liquefied compressed gas transportation accident which is leaking from a 5lb (2.3kg) steel cylinder. Chemical commodity on shipping paper is 5 lb RQ, compressed gas, flammable, toxic, n.o.s. (poison - inhalation hazard, zone B..
Given the following reaction: 2 O2 + CH4 CO2 + 2 H2O What mass of CH4 is required to completely react with 100 grams of oxygen.
Write the chemical equation and the Kb expression for the reaction of each of the following bases with water: ammonia, NH3; hydrogen sulfide, HS- ; hypochlorite ion, ClO-
what is the relative concentrations of hlnyellow and ln-blue for bromophnol blue ka1.0x10-4 at ph of
Ammonia condenses to form a liquid at -33.35C at atmospheric pressure. The density of liquid ammonia at this temperature is 0.6818g/ml. If the ammonia (0.224ml) is condensed at these temperatures, what would be its volume?
What mass of solid sodium hypochlorite (molar mass = 74.44 g/mol) should be added to 1.0 L of 0.255M hypochlorous acid to make a buffer with a pH of 7.54? (Ka of HClO = 3.8 x 10-8)
Which compound is the limiting reagent for this reaction. Calculate the change in enthalpy (delta H rxn) per mole of limiting reagent for this reaction.
Draw the Newman projection and the corresponding potential energy diagram of "n-butane" conformers, rotating along C2-C3.
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