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Will the reaction be spontaneous when the partial pressures of 2-propanol, propanone, and hydrogen are all 0.0987 atm.?
Treatment of 1.385 g of an unknown metal M with an excess of aqueous HCl evolved a gas that was found to have a volume of 382.6mL at 20.0 degrees Celsius and 755 mm Hg pressure.
Automated amino acid analysis of peptides containing either asparagine or glutamine shows ammonia as a product as well as the various amino acids in the peptide being analyzed. Explain Why.
The specific heat of aluminum is 0.902 J/g-C and that of silver is0.235 J/g-C. You have two spoons of equal masses. One is made of aluminum; the other is made of silver.
In terms of kinetic molecular theory, explain why pumping air into a collapsed soccer ball causes the ball to increase in size and become rigid.
A student is asked to prepare a buffer solution at pH = 8.60, using one of the following weak acids: HA (Ka = 2.7 x10-3), HB (Ka = 4.4 x 10-6), HC(Ka = 2.6 x 10-9). Which acid is best f
The instruction booklet for your pressure cooker indicates that itshighest setting is 13.5 psi. You know that standard atmospheric pressure is 14.7 psi, so the booklet must mean13.5 psi above&n
Assume you have a solution that is 0.020M in both Cd2+ions and Ni2+ ions. If you add sulfide ions, CdS and NiSwill precipitate. Which ion will precipitate first?
The highest ambient air concentration of ozone recorded in SanFrancisco in 1994 was 1700 micrograms per cubic meter (at 1atmosphere pressure and 80.6
Exactly what weight of dry ice is needed to react with 2mmol of phenylmagnesium bromide? Would an excess of dry ice beharmful?
Alkali halides commonly have either the sodium chloride structureor the cesium chloride structure. The molar mass of CsCl is2.88 times the molar mass of NaCl, and the edge length of the unitcell for
How do you go from a five membered ring diester to a six member edring fenchone? What steps do you need to take?
A solution prepared by dissolving 45.0 g ofNiSO4 in water. What current would be needed to deposit all of the nickel in 5 hours?
Would it be possible to use non-metals and their ions to construct one or more of the electrodes or would some modification be required in the experimental stage?
A solution of .85g of a unknown organic compound in 100g ofbenzene has a freezing point of -5.16C. What is the molality of the solution and the molar mass of the solute?
Gaseous H2Te is made with Te-132. When the tellurium isotope decays, the H2Te producesH2 and the ultimate decay product of Te-132. Write a balanced equation for the formation of stable products f
Addition of nitric acid to another sample of the SAMEsolution prodcued a colorless, odorless gas. On the basis of this test, what anions are present?
A particular reaction has a rate constant of 3.52 x 10-7 at 556 k. At 716 K, the rate constant has increased to 2.50 x10-3. What would you predict for the reaction rate constant at 647 k?
Two aqueous solutions of sucrose, , are mixed. One solution is 0.1488 and has = 1.018 ; the other is 11.50 by mass and has = 1.038 . Calculate the mole percent in the mixed solution.
Which would you expect to be more soluable in water, MTBE (methyl tert-butyl ether) or other components of gasoline (such as iso-octane and benzene)? Explain your answer thouroughly.
What chemical reaction could you perform to promote the aqueous solubility of hexyl amine? (write an equation) Why is the product of your chemical reaction more soluble in water?
2 L of 7 M concentrated HF solution is placed into a 10 Lcontainer. The container is sealed and the air is evacuated. The container is heated to 500K and allowed to reach equilibrium.
To determine the Molar Volume of a Gas @ STP, a tube container containing potassium chlorate and manganese (IV) oxide, weighing atotal of 6.980g, was heated until its mass dropped to 6.190g.
In which direction will the reaction proceed to reachequilibrium (demonstrate with calculations)?b) If [CH4] = 5.56 M at equilibrium, what are the concentrations of the other substances?