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The enthalpy of solution for a solid with approximately equal delta h values for each of the steps involved in the solution formation process is
Describe the effect that the following procedural changes would have on the percent recovery of acetanilide. Rather than adding 0.5ml portions of boiling solvent to acetanilide, student added 5ml portions
magnesium hydroxide is 54.87 oxygen by mass. how many grams of oxygen are in 175 g of the compound? how many moles of
A 25.0 g sample of garden compost was analyzed for chloride content. The sample was dissolved in water and the chloride was precipitated as silver chloride. 1.58 g of dried precipitate was obtained. Calculate the percent chloride in the sample
calculate the number of excess reagent units remaining when 188 PbS formula units and 279 O2 molecules react?
Dehydrohalogenation of (2R, 3R)-2-bromo-3-methylpentane by a bimolecular reaction produces only (E)-3-methyl-2-pentene and 3-methyl-1-pentene as products. Provide a mechanistic explanation as to why (Z)-3-methyl-2-pentene is not formed.
Presence of Aldehyde Group, An excellent way to identify the presence of an aldehyde group is by 1H NMR. The chemical shift of the aldehydic proton occurs in the 9-10-ppm region
These names have been provided for an organic compound, but it is incorrect. Please provide the correct name, following IUPAC naming rules.
if 1.500 g of solute that has a molar mass of 125.0 g were dissolved in 35.00 g of camphor, what would be the resulting freezing point of the solution?
Consider these three reactions, and their corresponding values of ?Gº: 1/2 N2 + O2 NO2 ?Gº = 100 kJ 2 NO2 2 NO + O2 ?Gº = 200 kJ NOBr NO + 1/2 Br2 ?Gº = 300 kJ Calculate the value of ?Gº for 1/2 N2 + 1/2 O2 + 1/2 Br2 NOBr.
A wastewater treatment plant serves a population of 83, 355 people. If its primary sedimentation tank can remove 55% of the incoming solids, how much primary sludge should be produced each week
For a certain reaction delta H = -76.0 kJ and delta S= -234 J/K, if n=3 calculate E(standard) for the reaction at 25 degrees celsius
assume that the kinetic energy of a 1500 kg car moving at 150 kmh could be converted entirely into heat. what amount of
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