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1) Explain what is the precipitate formed when HCL is added to the NaOH extract?
2) Does the amount of precipitate in each tube signify that all the acid impurity has been removed from the ether layer containing the unknown neutral compound?
The specific heat of an unknown metal is found to be 0.233 J/K g. The Law of Dulong and Petit predicts a molar heat capacity of 26 J/K mol. Use this law to estimate the molar mass of the metal.
Calculate the maximum volume in mL of .15 M HCL that each of the following antacid formulations would be expected to neutralize
A mixture of CaCO3 and CaO weighing 0.630 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.500 g.
calculate the equilibrium constant for the reaction CO2 + H2O ? HCO3 - + H+ (Hint: Start by writing an equation that defines the equilibrium condition in terms of the Michaelis-Menten formulation of this reaction. Note that the kinetics was measur..
Write balanced molecular equations for the complete neutralization of each of the acids with the base. Include physical states for all species. Acids: hydrochloric acid and sulfuric acid. Base sodium hydroxide.
a coffee cup calorimeter contains 525.0 g of water at 25.0 oc. to it are added350.0 g of water at 48.3 oc 480.0 g of
Define the monobromination of isobutylcyclopropane. Illustrate all six isomers of the product and circle the Br of any which involve a tertiary bromide.
Myoglobin transfers oxygen acquired from hemoglobin to mitochondrial proteins involved in the catabolism of metabolic fuels to produce energy for the muscle cell. Explain what you can conclude about the structures of these mitochondrial proteins
why is it problematic to write a rate law for the decomposition of h2o2 with mno2 as a catalyst assume the reaction is
Furoic acid, HC5H3O3, has a Ka value of 6.76 10-4 at 25C. Calculate the pH at 25C for a solution formed by mixing 28.0 mL of 0.260 M HC5H3O3 and 23.0 mL of 0.21 M NaC5H3O3 and diluting the total volume to 125 mL.
What are the rules for when the molecule goes through the chloronium ion or not. For example a cyclopentane with a double bond. One of the double bonded carbons is bonded to a methyl group.
Why is it that when you look into any type of light for a long period of time that blotches of black appear when you look away
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