What would likely be the decomposition products
If the reaction of Mo(CO)6 with mesitylene was conducted in the presence of air, what would likely be the decomposition products?
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Calculate the pH at the equivalence point for the titration of 0.20 M aniline (C6H5NH2, Kb = 3.8 x 10-10) with 0.20 M HCl. [Hint: remember the dilution factor caused by addition of titrant to the aniline solution.]
A 15m x 15m x 3.0m basement had a high radon content. On the day the basement was sealed off from its surroundings so that no exchange of air could take place, the partial pressure of222Rn was 1.2*10-6 mmHg.
A 65 g ice cube at 0°C is heated until 40 g has become water at 100°C and 25 g has become steam at 100°C. How much energy was added to accomplish the transformation?
Assume you are performing the calibration step of Experiment 8 and you begin with 70 g of water at 20 oC and 70 g of water at 80 oC.
In a test tube containing a precipitate ofPb(OH)2 in water, will the ions from the salt havea reasonable concentration? Explain.
Calculate the molar mass of benzoic acid in the solution based on the boiling point elevation. (kb for CCl4 is 5.03 C/m)
10.00mL of 1.98· 10-3 mol/L NaSCN solutionwere mixed with 10.00mL of 8.07· 10-4 mol/L iron(III) nitrate solution. When the reaction reached equilibrium, the absorbance measured at 447 nm was equal to 0.341.
At combustion temperatures, the equilibrium constant for thereaction of N2 with O2 is about 10^-14. Calculate the concentration of NO that is in equilibrium with atmospheric levels of nitrogen and oxygen.
Compound A has a solubility of 18 grams per 100 grams of water at25 Celsius. Cooling a saturated 200 g solution of compound Afrom 84 celsius to 25 celsius results in a precipitation of 19grams of the compound. Calculate the solubility of compound
Assuming that the sun radiates evenly in all directions, estimate the diameter of the sun. Ignore effects of reflection and refraction due to earth's atmosphere.
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