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A titration was performed to determine the solubility product constant (Ksp) of an unknown iodide with formula . The first two steps of the reaction sequence are shown below:
These two reactions added together give rise to the following overall reaction:
20.00 mL of a saturated solution was titrated with 5.85×10?2 M . The first step of the reaction sequence was performed and a starch indicator was added to the solution turning it blue. After 1.77mL of the was added the endpoint was established as the blue color indicating the presence of turned clear.
From the results of these experiments, calculate the Ksp of the unknown iodide. Report your answer to three significant figures.
A 15 L flask containing a sample of nitromethane is filled with O2 and the flask is heated to 100 celcius. At this temperture, and after the reaction is complete
determine the amount of heat energy needed to convert 255g of substance x from 40 degrees to 300 degrees
What volume of 0.1066 M Na2S2O solution would be requried to react with 24.32 mL
Using given data, calculate the change in Gibbs free energy for each of the following reactions. In each case indicate whether the reaction is spontaneous at 298 K
Cobalt-60, which undergoes beta decay, has a half life of 5.26 years.
The resulting W3 was transferred to 500.0 mL of 1.00 M HCl. A 100.00 mL aliquot of the HCl solution required 12.26 mL of 0.08855 M potassium permanganate (KMnO4) to reach the purple endpoint.
What two properties of ATP make it ideally useful for a form of energy storage in cells? Describe why the hydrolysis of ATP is highly exergonic (give at least two reasons).
What is the total pressure of a mixture of gases made up of CO2, O2, and H2 if the partial pressures are 2.2atm, 400mmHg and 112kPa respectively.
If an unknown crystalline organic compound has a heat of melting that is 8.605 kJ/mole and a melting point of 250.6 C
A 25.00 mL sample of NaOH is titrated with 26.14 mL of 0.1750 M HCl(aq). What is the concentration of the NaOH solution
A 1.20 sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 735mmHg .
The NaHCO3 is the limiting reactant and the HCl is the excess reactant in this experiment. Determine the theoretical yield of the NaCl product.
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