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If 60.0 mL of 0.50 M aqueous calcium nitrate solution react with 25.0 mL of 0.75 M aqueous ammonium carbonate, how many grams of calcium carbonate precipitate will be formed?
a cell depositing Cu from a Cu2+ bath operates for 10 hours with an average current of 5.8 A. if 65.3 g of copper is deposited, at what efficiency is the cell operating?
When you are trying to calculate molarity, what volume do you use? I have a final volume of NaOH and an initial Volume and volume of NaOH
If you have a sodium salt of stearic acid and neutralize it with acid, the solubility changes. Explain those relative solubility differences of these two chemical species in a solvent like hexane.
If 7.25 g of Al and 30.7 mL of 1.22 M HNO3 are allowed to react according to the equation below: 2 Al (s) + 6HNO3 (aq) -----> 3H2 (g) + 2Al(NO3)3 (aq) a) determine the limiting reactant. b) What is the volume of Hydrogen in liters that produced a ..
Calculate the wave-lenght for the following reactions: NO2 dissociating in NO and O2 and NO2 dissociating in N + 2O, given: DeltaHf: NO2
The vapor pressure of liquid mercury is 0.2729 torr at 100.0 oC and 246.80 torr at 300.0 oC. calculate delta H of vaporization of mercury. calculate the normal boiling point of mercury
the number of vacancies present in some metal at 857degc is 1.7 x 1024 m-3. calculate the number of vacancies at
A 2.00 mole quantity of SO2Cl2 was placed in a 2.4L container. Initially there are no products in the container. At equilibrium it was determined that 49.0% of the SO2Cl2 had dissociated. What is the value of th equilibrium constant under these co..
A hydrocarbon is a compound that contains mostly carbon and hydrogen. Calculate the percent composition (by mass) of the following hydrocarbon
in an standardization process of 0.5000g KHP khc8h4o4 =MM 204.23g/mol was neutralize with 28.9mL of NaOH. Determine the molarity of NaOH
Explain why and calculate the difference between the delta S° values at 298 K for the complete dissociation of the two complex ions. (Hint: the value delta H is about the same for both systems.)
Hydrogen has been proposed as a potential replacement for petroleum as an energy source for powering things like cars.
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