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Balance the following redox equation using the smallest integers possible and select the correct coefficient for the Mn2+.Mn(s) + Cr2O72-(aq) + H+(aq) ? Mn2+(aq) + Cr3+(aq) + H2O(l)
1236
What is the molar solubility of Fe(OH)3(s) in a solution that is buffered at pH 2.50 at 25 degrees C? The Ksp of Fe(OH)3 is 6.3 x 10^-38 at 25 degrees C.
Why do we avoid leaving glass electrodes immersed in solutions of bases for more then a brief time
A diver at a depth of 100 ft (pressure approximately 3 atm) exhales a small bubble of air with a volume equal to 100 mL. What will be the volume of the bubble (assume the same amount of air) at the surface?
Enough of a monoprotic acid is dissolved in water to produce a 1.59 M solution. The pH of the resulting solution is 2.88. Calculate the Ka for the acid. Ka=?
a solution is prepared from 2.50 g of an unknown compound and 25.0 g of benzene c6h6. the freezing point of this
Include all reaction steps, a detailed mechanism and all reagents necessary. Make a note of any special purification steps if necessary. Synthesize 1,3,5-tribromobenzene from benzene or toluene.
What is the limiting reagent? What is the theoretical yield of acetanilide? What is the percent yield if 3.3g of acetanilide is obtained?
At 22C(Celsius) an excess amount of a generic metal hydroxide M(OH)2 is mixed with pure water. The resulting equilibrium solution has a pH of 10.14. What is the Ksp of the salt at 22C
If 100 grams of liquid water at 100 C and 200 grams of water at 20 C are mixed in an insulated container, what will be the final temperature of water
Ethanol (without catalyst) yields a di-ether in nearly quantitative yield. Provide the structure of the product. Mechanistically, provide two routes that accound for the observed product.
The beta blocker drug, thimolol, is expected to reduce the need for heart bypass surgery. Its composition by mass is 49.4%C, 7.64%H, 17.7%N, 15.2%O, amd 10.1% S. Determine its empirical formula
Hydrogen and oxygen react under a specific set of conditions to produce water according to the following equation. 2 H2(g) + O2(g) -> 2 H2O(g)
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