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5 stars for showing work and correct answer. The following potentials are observed for a calomel electrode: E° = 0.268 V E(saturated KCl)= 0.241 V Use the preceding information to predict the value of E for a silver-silver chloride electrode saturated with KCl. For the silver-silver chloride electrode, E° = 0.222 V
A certain weak base has a Kb of 7.40 × 10-7. What concentration of this base will produce a pH of 10.11
Calculate the energy released when a 28.9 gram piece of copper is cooled from its melting point of 1083 degrees C to 25.0 degrees C. The specific heat of copper is .385 J/g degrees C.
Determine what is Δ[Br- ]/Δt If Δ[BrO 3 - ]/Δt = 0.018 M/s express your answer in M/s?
A sample of Nitrogen gas expands in volume fro 1.6 L to 5.4 L at constant temperature. Calculate the work done (in joules) if the gas expands
A 50.0 L cylinder contains nitrogen gas at a pressure of 21.5 atm. The contents of the cylinder are emptied into an evacuated tank of unknown volume. If the final pressure in the tank is 1.55 atm, then what is the volume of the tank
what would the magnitude of q need to be to give the experimental dipole moment? Express your answer as q divided by the proton charge. In other words, what fraction of a full proton charge is the charge magnitude of the ion pair?
Commercially available concentrated sulfuric acid is 18M. calculate the volume of this acid that is required to prepare
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/°C, calculate the molar heat of combustion of liquid methanol .
Determine the extent of reaction and amounts of B & Z and A reaction having time independent stoichiometry follows the equation
The reaction of 2.5g of Al with 2.5g oxygen (actually) produces 3.5g of Al oxide. Calculate the % yield of aluminium oxide.
Draw the organic product formed when the structure shown below undergoes
Solid copper (II) hydroxide from copper nitrate. First, add 30 mL of 3.0M sodium hydroxide to the solution in the Erlenmeyer Flask.Take a stirring rod and place the end about 1 cm into the solution; then tough the end to a 2 cm piece of red litmus..
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