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Following the procedure of this experiment, a student team used 0.266g of barium nitrate and 0.424g potassium iodate and collected 0.395g of barium iodate. What was the theoretical yield of barium iodate?
Suppose that the reaction X+Y==> Z has a rate law=k[X][Y] a.What is the overall order of the reaction? b.What is the order with respect to X?To Y?
Predict whether the entropy change in the system is positive, negative or close to zero for each of the following processes
A 2.50-g sample of a large biomolecule was dissolved in 37.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
The decomposition of nitrogen dioxide is a second-order reaction. At 550 K, a 0.250 M sample decomposes at the rate of 1.17 mol/Lxmin a). Write the rate expression?
.Alkenes can have cis-trans isomerism. b.Alkenes are chemically reactive at the double bond. c.Alkenes are nonpolar compounds. d.Alkenes are less dense than water
A buffer (pH 3.70) was prepared by mixing 1.00 mole of formic acid and 1.00 mole of sodium formate to form an aqueous solution with a total volume of 1.00 L. To 400 mL of this solution was added 50.0 mL of 1.00 M NaOH. What is the pH of this solut..
What is the purpose of dissolving the acetanilide in glacial acetic acid prior to beginning the nitration reaction? What happens when you mix sulfuric acid with nitric acid?
Compute the enthalpy change for this reaction per mole of this substance and dissolves via the reaction and the temperature of the solution rises to twenty eight degree celsius.
how much potassium chlorate in needed to produce 20.0mL of oxygen gas at 670mm Hg and 20 degrees celcius?
A 25.0 mL sample of a 0.115 M solution of acetic acid is titrated with a 0.144 M solution of NaOH. Calculate the pH of the titration mixture after 10.0, 20.0, and 30.0 mL of base have been added.
Caffeine, C8H10N4O2, is a stimulant found in tea and coffee. A sample of the substance was dissolved in 41.5 g of chloroform, CHCl3, to give a 0.0940 m solution.
How many milliliters of 0.105 M HCl are needed to titrate 50.0 mL of a solution that contains 1.25 g of NaOH per liter?
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