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Label the anode and cathode, indicate the direction of electron flow and the species present in each solution for each of the following overall redox reactions.
1) Ni2+(aq)+Mg(s)→Ni(s)+Mg2+(aq)
2) 2H+(aq)+Fe(s)→H2(g)+Fe2+(aq)
3) 2NO-3(aq)+8H+(aq)+3Cu(s)→2NO(g)+4H2O(l)+3Cu2+(aq)
Then Indicate the half-reaction occurring at each Anode then cathode , Express your answers as a chemical equation. Identify all of the phases in your answers.
The other compartment contains a saturated solution of silver iodide. Both electrodes are silver and the measured potential is 0.476 V. From this information, determine the molar solubility of silver iodide at 298 K.
the solubility of o2g in water is 4.43 mg o2100 g h20 at 20 degree celsius when the gas pressure is maintained at 1
A pH of 3.74 is reached when 18.50 mL of sodium hydroxide has been added to the acid solution. What is the molar mass of formic acid given this data?
Draw three resonance structures for N2O (nitrous oxide) and identify the most "important" resonance structure.
When another cell is composed of a Ag(aq) 1.0 molL-1 Ag(s) half-cell and a Zn2+ (aq 1.0 molL-1)/ An (s) half-cell, the cell emf is measured to be 1.56 V, and the Zn2+ (aq)/Zn(s) half-cell is the anode. What is the reduction potential of the Zn2+ (..
if a temperature increase from 12.0 to 22.0 doubles the rate constant for a reaction what is the value of the
What is the molarity of a permanganate solution if it takes 10.0 mL of 0.200M iron(II) solution to completely react with 15.7 mL of the permanganate solution
Which of the following is a correct neutralization reaction?
Glacial acetic acid is mixed with liquid methanol (nonaqueous). What type of organic reaction can this be characterized as?
grams of a sulfate-containing unknown with excess barium chloride. If 0.6500 grams of barium sulfate is produced, what is the percentage sulfate in the unknown?
a gas sample containing 1.35 mol at 25degc exerts a pressure of 405 torr. some gas is added to the same container and
a solution is made from mixing compounds A, mole fraction 0.5833, and B mole fraction 0.417. the vapor pressure of A at 55c is 95 mmHg and the vapor pressure of B at the same temperature is 42 mmHg
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