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Propose mechanisms for the formation of fragments with m/z 69, 43 and 41 in the mass spectra of CH3CH=CHC(O)CH3 and briefly explain the absence of fragments from the McLafferty rearrangement.
Kp for this reaction is 5.1 x 10-2 atm-1. Initially, 1.00 g each of SO2 and Cl2 are placed in a 1.00 L reaction vessel. After 15 minutes, the concentration of SO2Cl2 is 45.5 μg/mL.
Compute the change in temperature for 4.50 grams of Calcium chloride CaCl 2 dissolved in 90.0 mL of water H 2 O. (Assume that the calorimeter absorbs no heat )
How do you solve for the molarity, molality, or mass percent of solute while only given two other bits of information
Given that delta r H = 40.67 kj/mol for vaporization of H20 at 100 degrees celcius, what is delta S tot for vaporization of 1 mol of water at 1 bar pressure at 125 degrees celcius? Is this process spontaneous?
Atomic absorption spectrometry was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream
If, when you are extracting an aqueous solution with an organic solvent, you are uncertain as to which layer in the separatory funnel is aqueous, how could you quickly settle the issue?
The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the molar mass of the solute?
the mechanism to convert 9-fluorenol to 9-methoxy fluorene using a nucleophilic substitution reaction with H2SO4 and methanol.
Calculate how many calories of heat are needed to increases the temperature of 550 grams H2O from 12 degree celsius to 18 degree celsius?
What is the pH at the equivalence point when 40.00 mL 0.100 propionic acid, CH3CH2COOH, Ka = 1.3 x 10-5, is titrated with 0.1000 M NaOH?
what is the final temperature of the mixture? Use 1.00g/mL as the density of water.
The only thing that is supplied to you is 1M Tris (pH 6.8) and 1M NaCl. You have full access to all the deionized H2O you may need. Plus 3 M HCl, 40 g/mol of NaOH pellets, and a pH meter.
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