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Question about Structures
Give the structure of the phosphorus ylide and carbonyl compound you might use to prepare the following alkenes: Methylenecyclohexane; 2-Methyl-2-hexene; and C6H5CH=C(CH3)2.
Measuring concentration of acetic acid and other organic acids in an aqueous solution, What analytical method would be employed to measure and determine the concentration of each acid in solution. Would this be a GC/MS analysis
Suppose that 1.08 g of rubbing alcohol (C3H8O) evaporates from a 75.0 g aluminum block.If the aluminum block is initially at 25 C, what is the final temperature of the block
Consider the reaction: 2 K(s) + 2 H2O(l) -> 2 KOH(aq) + H2(g), DH = ? The heat released when 24.9g of K reacts with excess water is 124 kJ. Determine the enthalpy change, DH, for the above equation as written
A 1L flask is filled with 1.00 g of argon at 25 C . A sample of ethane vapor is added to the same flask until the total pressure is 1.20 atm. What is partial pressure of Argon and ethane in the flask?
Determine how many grams of NaCl should be dissolved in a liter of H 2 O to produce an isotonic solution?
Calculate the major product in the Williamson ether synthesis between 1-bromopentane and sodium 1-phenylethoxide. correct stereochemistry of the product must be shown in its with four bonds - with H - at the chirality center.
The concentration of phosphoric acid in Coke is approximately 106.0 mg/mL. Assuming phosphoric acid is the only acid in Coke, calculate the pH of a 355 mL can of Coke.
The density of so-called "heavy water"=1.1053 g/mL at 20 0C. determine what would be the mass of the flask when filled with heavy water?
How many grams of caffeine (C8H10N4O2) are present in one cup of coffee that contains 8.98 × 1021 caffeine molecules?
One mechanism of fragmentation is loss of a neutral radical by cleavage of a bond from which one electron lost. What is the m/z ratio of the most stable cationic fragment that can be generated from dexchlorpheniramine by this mechanism?
Draw a doagram to show the changes in potential energy that occur from the rotation around the C1-C2 bond of 1-bromopropane
Describe spectroscopic or chemical tests to distinguish between the following pairs of compounds
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