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Can you explain what is the relationship between the equilibrium expression for a chemical reaction and the equilibrium expression of the reverse reaction?
aluminum may be formed by the passage of 60,714 C through an electrolytic cell that contains a molten aluminum salt.
Bar Keepers Friend is a household cleaner containing oxalic acid, a diprotic acid where pKa1=1.27 and pKa2=4.27. If the molarity of oxalic acid in one bottle of Bar Keepers Friend is .458M, what is the conentration of A2- at pH=3.98?
A 5.0 g sample of a hydrate of BaCl2 was heated, and only 4.3 g of the anhydrous salt remained. What percentage of water was in the hydrate?
A rechargeable battery is constructed based on a concentration cell constructed of two half-cells. The volume of each half-cell is 2.1 and the concentrations of in the half-cells are 1.30 and 1.2×10?3.
The following statements describe some physical and chemical properties of sucrose (table sugar). Which response includes all that describe chemical properties, and none that describe physical properties?
How would you adjust the volume of a container in order to maximize the product yield in the following reaction
How many milligrams of sodium ion are in 250 ml of a 3.6%(m/v) solution of sodium phosphate, Na3PO4
The second car is of European manufacture, costs$21,700, and has a rated mileage of 19km/L. If the cost of gasoline is $1.25/gal and if the cars actually deliver their rated mileage, estimate how many miles you would have to drive for the lowest f..
Samples of the following volatile liquids are opened simultaneously at one end of a room. If you ate standing at the opposite end of the room, list the following species in order you would smell them? Assume that your nose is equally sensitive to ..
What is the percent yield for iron if the reaction of 65.0 of iron(III) oxide produces 45.0 of iron if Iron(III) oxide reacts with carbon monoxide to produce iron and carbon dioxide.?
How many spots should you see on a TLC plate for your recrystallized benzoic acid (assuming your recrystallization worked)
If a 1.55g sample of zinc is heated with excess sulfur to form 2.31g of zinc sulfide, calculate the mass of sulfur used.
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