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1. Name a reagent that will precipitate sulfate, phosphate, and carbonate ions.
2. Name a reagent that will dissolve BaCO3 and Ba3(PO4)2 but not BaSO4.
3. Name a reagent that will form a precipitate with chloride, phosphate, and carbonate ions but not with nitrate and sulfate ions.
4. Which one of the five anions that you will study liberates a gas when treated with HCl?
5. Which anion will not form a precipitate with any of the reagents that you are going to use?
A biochemist studying the break down of insecticide DDT finds that it decomposes by a first-order reaction w/ a half-life of 12 years. How long does it take DDT in the soil sample to decompose from 705 ppbm to 10
Name the major organic product when the given alkyl bromide is treated with sodium azide followed by LAD (LiAlD4 and then D2O workup).
the decomposition of N2O5 in carbon tetrachloride proceeds as follows: 2 N2O5 -> 4 NO2 + O2. The rate law is first order in N2O5. At 64 degree celcius the rate constant is 4.82 x 10^ 3 s ^ -1.
a 40-year-old manager at a prominent legal firm in l.a. experiences abdominal pain post lunch. he goes to the restroom
What is the PH of a solution prepared by dissolving 5.3g of lithium hydroxide in water to give 280ml of solution.
Given that mass was lost from the copper carbonate hydrate during heating, in this decomposition reaction, how many moles of solid product were produced? The molecular weight of the solid product is 79.545 g/mol (moles = mass / molecular weight).
Assuming the volumes of all gases in the reaction are measured at the same temperature and pressure, calculate the volume of water vapor obtainable by the explosive reaction of a mixture of 725 mL of hydrogen gas and 325 mL of oxygen gas.
Gold, like iron and copper, can have more than one monatomic cation. Knowing this, a mining company wanted to find the formula of a gold - chlorine compound that it has come across during its mining operation.
How long does it take ( in minutes ) for light to reach Earth from the Sun, a distance of 1.596 x 10^8 km?
A gas sample has a volume of 4.50 L when the temperature is 28 oC and the pressure is 1.00 atm. What will be the new volume of the gas when the temperature is changed to 0.0 oC and the pressure to 850 torr
What is the molarity of a solution in which 2.69 g of C12H22O11 (MM=342.29 g/m) is dissolved in enough water to make 225 mL of solution?
What volume of a 0.170 M NH4I solution is required to react with 963 mL of a 0.440 M Pb(NO3)2 solution? How many moles of PbI2 are formed from this reaction?
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