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When you add 2.0ml of 0.50 M S2O32- to the 2.0 ml of 0.10M silver nitrate, formation of Ag(S2O3)23- occured by equation Ag+ +2S2O32- <---->Ag(S2O3)23- Ecell increased even though formation of a solid was not observed. a) Using the value Ecell = 0.68V, calculate the [Ag+] in the test solution after equilibrium is reached. b). Setup a reaction table for equation above and calculate the formation constant for Ag(S2O3)23-.
Examine the nuclide neptunium-237. The nuclide has a measured nuclear mass of 237.048166 amu. Determine the binding enery in kj, kj/mole
Compute the typical thermal energy of a water molecule at normal conditions: (kB T) and compare it to the answer of the previous problem
Larger molecules of hydrocarbons are broken into two or more smaller hydrocarbon molecules by a process known as
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g)+I2(g) 2HI(g) Kc=53.3 At this temperature, 0.800 mol of H2 and 0.800 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present..
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.519 grams of iron and 21.0 mL of 0.590M copper(II) sulfate react to form as much product as possible, how many millimoles (mmol) of the non-limiting reactant will remain unuse..
Which of the following compounds has the greatest Coulomb force. Which has the smallest? Enter the name of the compound.
What is the empirical formula of a hydrocarbon if complete combustion or 1.900 mg of the hydrocarbon produced 6.423 mg of CO2 and 1.315 mg of H2O? Be sure to write C first in the formula.
You inherit a gold bar that measures 7.0 inches by 3.0 inches by 2.0 inches. How many ounces does the bar weigh?
Subtilisin (Mr 27600) is a bacterial protease that can catalyze hydrolysis of certain amino acid esters and amides. Subtilisin does have a problem, in that it becomes inactivated by oxidation of a methionine Met-222. Subtilisin mutant with Cys rep..
The standard enthalpy change for the reaction below is -905.4 kJ (for the reaction as written). What is the standard enthalpy of formation of NO(g)
A galvanic cell is produced as follows: Left half-cell has a Pt wire dipping into a beaker containing an equimolar mixture of Cr+2 and Cr+3 . [Cr3+ + e-??Cr+2 E°-= -0.42 V] Right hand cell has a Tl rod immersed in 1.00 M TlClO4. [Tl+1 + e-??Tl(s) ..
How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0°C to 68.0°C?
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