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Write the structures for all the aldol condensation products you expect from the cross aldol condensation of 4-methyl benzaldehyde and 2-butanone (methyl ethyl ketone)
Calculate the mass of solid sodium acetate required to mix with 100.0 mL of 0.1 M acetic acid to prepare a pH 4 buffer. Record the mass in your data table
Draw all possible isomers for the molecule having the formula C7H7C1. The molecule contains one benzene ring.
What are the values of the entropy changes (system, surroundings, and universe) for the cooling of 1 mol of O2 (g) from 298 K to O2 (l) at 90.19 K if the process is done a. Reversibly b. Irreversibly by placing the sample in liquid hydrogen at 13...
Calculate the freezing point of a mixture that contains 4.68 g of diphenylamine (molecular weight 169.2 g/mol) dissolved in 46.64 g of cyclohexanol.
Determine the geometry about each interior atom in each molecule. (Skeletal structure is indicated in parentheses) CH3NH2(H3CNH2), CH3CO2CH3(H3CCOOCH3, both O atoms are attached to second C), NH2CO2H (H2NCOOH both O atoms are attached to C)
Draw resonance contributors for the following: indicate major and minor contributors to hybrid
If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the structure that could be abbreviated as XY2Z2.
Calculate the number of photons emitted in one second by a 6 W laser operating at a wavelength of 438.0 nm
What is the equilibrium constant for the reaction N2(g) + 3 H2(g) ?? 2 NH3(g) at this temperature?
Draw the structure of the organic product that is formed when the compound shown below is treated with the following reagents
Calculate the molecular weight of this gas if A sample of gas weighs 0.250 g and occupies a volume of 112 cm3 at STP?
How would you write the Sn2 mechanism of sodium chlorophenolate with sodium chloroacetate?
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