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A cell that uses bromine to oxidize hydrogen H^+ under standard conditions at 298 K has a positive potential. True or False? I know the answer, but I need an explanation on why this is.
All ammonium compounds, that comprise the ammonium ion (NH4+) and negative ion, are thermally unstable. Explain two ways that ammonium compounds decompose when they are heated.
The student did not pre-heat the gravity filtration apparatus in Part 3. c) The student forgot to cool 5 mL of solvent in Part 5 and washed the crystals with room-temperature solvent.
calculate the activation energy for a reaction if its rate constant increases from 10 to 45 s as the temperature increases from 298 to 315 k .
Nitrobenzene, C6H5NO2, an important raw material for the dye industry, is prepared from benzene, C6H6, and nitric acid. When 22.4g of benzene and an excess of HNO3
The pKa of acetic acid, HC2H3O2, is 4.76. A buffer solution was made using an unspecified amount of acetic acid and 0.30 mol of NaC2H3O2 in enough water to make 1.50 L of solution.
octane gas reacts wuth oxygen to form carbon dioxide gas and water as a gas. write balanced equation. how many grams of oxygen must react with 50 grams of hexane gas?
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?
A tire has a pressure of 780 mmHg at 27°C. If the tire is heated to 47°C on hot pavement, what the new pressure will be:
Determine how many grams of Ammonia are needed to produce 130 grams of hydrogen flouride?
a battery has a volume of 1.78l and contains 3.28x10^3 grams of sulfuric acid, what is the density of sulfuric acid in g/ml?
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
Assume a wind turbine with a hub 50 meters above the ground, a rotor diameter of 60 meters and a wind-conversion efficiency of 25 percent. The turbine operates in an area with an average wind-power density of 700 watts/sq meter at 50 meters altitude.
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