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The compound Xe(CF3)2 decomposes in a 1st order reaction to elemental Xe with ahalf-life of 30. min at room temperature. If you place 7>50 mg of Xe(CF3)2 into a flask, how long must you wait until only 0.25 mg of Xe(CF3)2 remains?
Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of lithium sulfide and copper (II) nitrate are mixed.
Confirm whether an acid base reaction occurred stoichiometrically. The concentration of concentrated nitric acid is 15.8 M. For full credit show all calculations.
What are the equilibrium concentrations of monomer and dimer at 25?C in a solution prepared by dissolving 3.4×10?2mol of pure acetic acid in enough benzene to make
Calculate the pressure inside the graduated cylinder it the height of the water is 5mm higher than the water in the trough. The atmospheric pressure is 760 mm Hg
Using Le Chateleir's principle, explain the effect on teh cell potential of decreasing the Fe2+ ion concentration from 1.0M to 0.1M for each of the following reactions. The concentration of the other solution remains at 1.0M.
where the atmospheric pressure is 1.00 atm. The balloon rises to an altitude of 20,000 m, where the atmospheric pressure is 61 mmHg and the temperature is 210 K. What is the volume of the balloon at 20,000 m?
A room temperature aqueous solution is 0.10 M in zinc acetate, 0.50 M in strontium acetate and 15.2 M in nickel (II) acetate. At what concentration of carbonate does a solid first appear in the solution?
You are given the chemical reaction (unbalanced equation): AsF3 + C2Cl6 AsCl3 + C2Cl2F4, if 1.3618 mol of AsF3 are allowed to react with 1.000 mol of C2Cl6, what would be the theoretical yield of C2Cl2F4, in grams?
If 57.0 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 754 mg sample of Na2SO4 , what is the molarity of the solution
If the washes totaled 46.4 ml. how many grams of KAI(SO4)2 would be dissolved in the solution? consider the solubility begin 3.00 g/ml.
For the best system, calculate the ratio of the masses of the buffer components required to make the buffer
write the equations involved in the following
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