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An aqueous solution of fotmic acid can be used to promote a ring-closing reaction. Think about a possible mechanism for this reaction and determine the strudure of the product. HCOzH _--__---_+ Hzo
To the alchemists, gold was the material representation of purity. It is a very soft metal that can be hammered into extremely thin sheets. If a 1.07 g piece of gold is hammered into a sheet whose area is 30.0 ft2,
With regard to the solutions you discarded in this experiment identify the compounds in the filtrate discarded in step 19.
Calculating Delta H, Use some or all of the following reaction enthalpies to calculate delta H for the reaction:
a 1.0 l solution has a mixture of 0.05 m nah2po4 pka 6.86 and 0.10 m na2hpo4. how much 1.0 m naoh should be added to
How many grams of copper (II) sulfate are required to prepare 500 mL of a .25 M solution
Sodium bromate is used in a mixture which dissolves gold from its ores. Calculate the mass in grams of 4.68 mol of sodium bromate.
A mixture consisting of 30ml of waste and 270ml of seeded dilution water has an initial DO of 8.55mg/l; after 5 day, it has a final DO of 2.40 mg/l. Another bottle containing just the seeded dilution water has an initial DO of 8.75 mg/l
Sketch all structural isomers of C4H2 which contain C-rings. Although none of these ring-structure isomers are stable do to extreme "ring strain", which do you expect to show the most "ring strain"? Why?
ichromate solution is 0.0189 M dichromate, and it took 26.01 mL of your standard iron solution to titrate the excess dichromate in an unknown. What is the chemical oxygen demand of the sample, in units of mg O2/L?
A sample of a gas originally at 29°C and 1.25 atm pressure in a 3.0 L container is allowed to contract until the volume is 2.2 L and the temperature is 11°C.
What volume of a 0.2089 M solution of aqueous potassium iodide will contain enough potassium iodide to react exactly with the copper(II) nitrate in 43.88 mL of a 0.3842 M solution of aqueous copper(II) nitrate
Joseph Priestley prepared oxygen by heating mercury(II) oxide. The compound HgO is stable at room temperature but decomposes into its elements (Hg and O2) at high temperatures. What conclusions can be drawn concerning DH and DS for this decomposit..
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