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A solution contains one or more of the following ions: Hg22+, Ba2+, and Fe2+. When potassium chloride is added to the solution, a precipitate forms. The precipitate is filtered off and potassium sulfate is added to the remaining solution, producing no precipitate. When potassium carbonate is added to the remaining solution, a precipitate occurs. Which ions were present in the original solution? Write net ionic equations for the formation of each of the precipitates observed.
The flow of the second is 245 gpm (56 m3/h) with a temperature of 120oF (49oC). Calculate the flow and the temperature of the combined water.
If it is diluted by the factor of 2, what will be it's new concentration? This new solution is diluted again by the factor of 2. What will be it's new concentration
If 5.0 grams of potassium reacts with 2.24 liters of oxygen at STP what is the limiting reagent. After the reaction, how much excess reagent is left
Given the three isomeric alcohols, 2,2-dimethyl-1-butanol, 2-methyl-2-pentanol, and 2-methyl-3-pentanol, which are chiral
Radioactive Radon-222 gas (222Rn) occurs naturally as a product of uranium decay. The half-life of222Rn is 3.8 days. Suppose a flask originally contained1.0×1013atoms of222Rn. How many atoms of222Rn will remain after one month (30. days)?
Question- Write the complete nuclear equation for the bombardent of a 14N atom with an alpha particle to yield 17O. Show the atomic number and mass number for each species in the equation
energy content of gasoline is about 46 mjkg or about 37 mjliter. a small car with engine of specified capacity e.g. say
how many molecules of carbon dioxide are produced when 134 molecules of acetylene hcch to react in excess oxygen
The ionization energies of rubidium and silver are 4.18 and 7.57 eV, respectively. Calculate the ionization energies of an H atom with its electron in the same orbitals as in these two atoms and account for the difference in values
What is the change in the enthalpy for this balanced reaction? Assume that the solution density is 1.00 g/mL and the specific heat capacity of the solution.
For the concentration of hydroxyl radical of 7.5E06 molecules/cm3 and a carbon monoxide concentration of 18 ppm, calculate the rate of its reaction with atmospheric carbon monoxide at 11 degrees C.
Problem- Gallium is produced by the electrolysis of a solution obtained by dissolving gallium oxide in concentrated NaOH(aq). Calculate the amount of Ga(s) that can be deposited from a Ga(III) solution by a current of 0.800 A that flows for 20.0 m..
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