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Predict if the following conditions would result in the formation of a precipitate, explain briefly:
a) 0.0025 M Fe 3+ at pH 6.00
b) 0.0025 M Ba 2+ and a 1.25x10^-4 M solution of sodium sulfate
c) 0.05 M Ca 2+ and a 1.25x10^-4 M solution of cesium phosphate.
If your electricity comes from a 33% efficient nuclear power plant, how many Pu-239 nuclei are produced as a result of your leaving the light on?
Rank the following atoms (from smallest to largest) based on which would have the largest second ionization energy?
A reaction 3A2+ + 2B --> 3A + 2B3+ is used to make a battery. The standard Gibbs free energy change for the given reaction is -690 kJ. What is the standard potential (E ) for the battery.
Important information about balanced chemical equation, 1. If 1 mole of Al4C3 has a mass of 144g and carbon has a mass of 12g, what is the atomic mass of aluminum?
A sample of 0.50 moles of O2 gas initially at 250K and a pressure of 1.0 atm is compressed to final pressure of 12 atm. The compression can occur via two different paths
X reacts with one molar equivalent of hydrogen in the presence of a palladium catalyst to form 1,2-dimethylcyclopentane. Treatment of X with ozone follwed by zinc in aqueous acid gives a dialdehyde.
you mix 242 grams of NaCl with enough water to form 500 mL of solution. What is the final molarity?
Consider an ordinary 8 fluid oz. glass of water (H2O). Suppose, hypothetically, that all of the water molecules in the glass could be marked.
Talc (used in talcum powder) has masscomposition 19.2% Mg, 29.6% Si, 42.2% O,and 9.0% H. What is the empirical formula of the compound
What is the origin of the charge neutrality requirement in solids? Why must solids have charge neutrality in the bulk,
The background section describes why you want the bleach to be far in excess of the dye. State how much greater the bleach should be to be considered in large excess. If the due is 1 x 10-5 M how much can the bleach be diluted before you no longer..
how many milimeters of 0.755 M H2SO4 solution is needed to react with 55.0 mL of 2.50 M KOH solution? Given 2KOH (aq) + H2SO4 (aq) ------ 2H2O (I) + K2SO4
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