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Identify the following compound from its IR and proton NMR spectra. C5H6O: IR: 3300 (sharp), 2102, 1634 cm-1 NMR: ? 3.10 (1H, d, J = 1 Hz); ? 3.79 (3H, s); ? 4.52 (1H, doublet of doublets, J = 10 Hz and 1 Hz); ? 6.38 (1H, d, J = 10 Hz)
calculate the wavelength in nm of an electron traveling at 75% the speed of light. (mass of the electron = 5.4858 x 10^-4 amu)
Water/methanol and water/acetone are viable solvent systems for recrystallization, but water/chloroform and water/pentane are not
Calculate the amount of heat liberated (in kJ) from 421 g of mercury when it cools from 91.0°C to 11.0°C.
A container with 644 mL of oxygen gas is at a pressure of 11.6 kPa. What pressure would be required to decrease the volume of the gas to 439 mL, assuming no temperature change?
How many grams of oxygen are collected in a reaction where 235 mL of oxygen gas is collected over water at a temperature of 25 ^circ {rm C} and a total pressure of 704 torr?
Draw all stereoisomers having molecular formula C6H12 that contain one double bond and give the IUPAC name for each compound
when 1.0g of salicyclic acid is used with 2mL of acetic anhydride, which compound is the limiting reagent?
if 9.0L of NO are reacted with excess O2 at STP, what is the volume in liters of the NO2 produced?
What is the value of the equilibrium constant for the cell reaction below at 25°C? E°cell = 0.30 V
A "little more" than 5 mL of a saturated solution of borax is transferred to the corresponding calibrated test tube and subsequently titrated with the standardized hydrochloric acid solution.
How much ice in grams would have to melt to lower the temperature of 358 g of water from 40 degrees to 0 degrees? (Assume that the density of water is 1.0 (g/ml)
Calculate the quantity of work associated with the compression of gas from 5.60 L to 3.40 L at a constant pressure of 1.23 atm.
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