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Use line notation to represent the electrochemical cells for each of the following overall redox reactions.
Part A: Ni2+(aq)+Mg(s) Ni(s)+Mg2+(aq)
Part B: 2H+(aq)+Fe(s) H2(g)+Fe2+(aq)
Part C: 2NO-3(aq)+8H+(aq)+3Cu(s) 2NO(g)+4H2O(l)+3Cu2+(aq)
How many grams of silver nitrate does it take to react completely with 7 mol Cu?
Why is it particularly important to wash the cupric hydroxide intermediate in the synthesis of cupric acetate (verdigris)? Be specific about what is being removed and why it matters.
When 4 g sample of NH4NO3(s) was dissolved in 60 g of water in a coffee-cup calorimeter, the temperature drops from 296 to 291 K.
How many milliliters of an aqueous solution of 0.180 M manganese(II) bromide is needed to obtain 12.8 grams of the salt ?
If a reaction mixture contains only N2O and NO2 at partial pressures of 1.0 atm each, the reaction will be spontaneous until some NO forms in the mixture.
Determine the concentrations of BaBr2, Ba2 , and Br- in a solution prepared by dissolving 1.62 × 10-4 g BaBr2 in 1.50 L of water.
What are the advantages of also measuring the MS spectrum?
what is happening in the reaction between pyridine and SnCl4. What are possible products of the reaction
Calculate the pH for the following case in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka
This is equal to the number of moles of HCL present in the 5.00mL of HCL delivered to the flask. Compute the molarity of the HCL.
The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. But given the same kinetic energies, a lighter molecule will move faster than a heavier molecule.
A red laser pointer emits light with a wavelength of 650 nm. What is the energy (in J) of a photon of light of this wavelength?
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