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A piece of dry ice, solid CO2, weighing 10.0 g is placed in an evacuated 0.800 L bottle at 550 degrees Celsius. The bottle is capped, and the dry ice changes to gas. What is the final pressure inside the bottle?
Find the volume of 1.00M KOH which must be added to 200mL of 1.00M glycolic acid (pKa=3.83) to produce a buffer solution
Find the correct mass balance equation for an aqueous solution of MnCl2 that ionizes to Mn2 , Cl-, MnCl , and MnOH.
Predict the relative order of Rf values for the amino acids in the following mixture: Ser, Lys, Leu, Val, and Ala. Assume that the separation was carried out on paper chromatography
At what total pressure of bismuth vapor is the partial pressure of Bi(g) just twice that of Bi2(g) at 1000 K? How many phases are present in the system for this situation?
Fission of one mole of U-235 releases 1.9 x 1010 kJ. Calculate the number of kg of coal needed to produce the same amount of energy as the fission of 1 kg of U-235 (235.05g/mol)
For the elementary processes whose equations are given below, determine whether each is unimolecular or bimolecular and determine the rate law for each process.
Although there are a great variety of lipid structures, most lipids contain: A) A large hydrocarbon portion and no polar groups B) A large hydrocarbon portion and a few polar groups
Propose a reasonable reaction mechanism for the sodium hypochlorite oxidation of 3-heptanol. Give the IUPAC name of the expected product. What other oxidizing agents may be used to carry out this oxidation
The student then titrated 25.0 ml of the same buffer with 0.1115 M NaOH. The observed titration curve is shown below
An automobile tire is inflated (while cold) to a volume of 11.8 L and a 'gauge pressure' of 36.0 psig at a temperature of 12oC. Driving on a hot day, the tire warms to 65oC and its volume expands to 12.2 L.
An organic substance has an enthalpy of vaporization of 29.0 kJ/mol. The compound has a vapor pressure of 524 mm Hg at 25 °C. At what temperature is the vapor pressure equal to 115 mm Hg?
What is methanol's vapor pressure It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. at 22.0 °C?
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