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a 25.0g sample of calcium chloride is dissolved in water to give 6.52 * x10^2 ml of solution. What is the concentration of the resulting solution in calcium, and what is the total ion concentration?
What mass of sucrose should be combined with 488 of water to make a solution with an osmotic pressure of 8.25 at 280.
write equations that show a plausible reaction mechanism for the acid-catalyzed isomerization of maleic acid
A particular solution has a hydrogen ion concentration of 2.13 x 10-13 M. What is the pH of this solution?
The precipitation of aluminum hydroxide, Al(OH)_3 (K_sp)=1.3 x 10^{-33}), is sometimes used to purify water. At what pH will precipitation of Al(OH)_3 begin if 5.70 lb of aluminum sulfate, Al_2(SO_4)_3, is added to 2050 gallons of water (with a ne..
Calculate the amount of work that can be obtained from this reservoir before it cools to the temperature of the cold reservoir which is 0C. Assume that the heat capacity of water is constant over this temperature range at 75 J/(mole*K). Calculate ..
plot the temperature distribution in all relevant dimensions for each side of the aluminum cylinder as a function of position for 5 different time intervals, ranging between (and explicitely including t=0 and t= infinity
The titration requires 34.11 mL of base to neutralize 15.00 mL of the acid. What is the Molarity if acid in the vinegar?
A student tried the Wittig reaction experiment and did not notice the development of a yellow color when she treated benzyltriphenylphosphonium chloride with sodium ethoxide
Ammonium Carbonate, NH4CO2, decomposes as follows: NH4CO2NH2(s) -> 2NH3(g) + CO2(g) Starting with only the solid, it is found that at 40C the total gas pressure is .363 atm. Calculate Kp.
The experimental rate law is given below for some chemical reaction. Discuss each parameter in the rate law (k, concentrations, and orders) be sure to mention how they affect the reaction and how the factors that affect kinetics relate to these pa..
Write a chemical reaction equation that shows what happens when HNO3 is added to MnCO3. Remember to include the physical state symbols.
A chemical engineer injects limestone into the hot flue gas of a coal burning power plant to form lime, which scrubs SO2 from the gas and forms gypsum (CaSO4.2H2O). Find Kc for the following reaction
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