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Give characteristic absorptions values (in cm-1) for absorptions by each of the following functional groups.
a) Alcohols
b) Ketones
c) Aldehydes (2 different regions; which region distinguishes them from ketones?)
d) Carboxylic acids (how does their O-H absorption differ in comparison to alcohols?)
e) Alkenes (2 different regions)
Using the formula W = mg, how many milliliters of water with a density of 1g/mL are required to weigh 0.75 newtons and g = 9.81 m/s2?
What is the decay constant for iodine-131? It decays by beta emission with a half-life of 8.04 days.
Draw electron-dot formula and determine the shape for each of the following: a) NH4^+; b) O2^2-; c) COCl2 (C is the central atom); d) BCl3.
If the heat of combustion for a specific compound is -1310kj/mol and its molar mass is 60.87 g/mol, how many grams of this compound must
A 20.0 L nickel container was charge with .805 atm of xenon gas and 1.21 atm of flourine gas at 400 C. The xenon and flourinereact to form xenon tetraflouride. what is mass (g) of xenon tetraflouride can be produced assuming 100 % of yield
What is the Vmax of this enzyme when enzyme concentration is equal to 0.2mg/mL? I understand the equation to find kcat is: kcat = Vmax/[E]t however,
What mass of sucrose should be combined with 464g of water to make a solution with an osmotic pressure of 8.60atm at 280K? (Assume the density of the solution to be equal to the density of the solvent.)
What ions are present in a solution of HCl. Theoretically, which of these ions will affect the equilibrium of Co Cl2, and what will its effect be
The total volume of seawater is 1.5 x 10^21 L. Assume that seawater contains 3.1 percent of sodium chloride by mass and that its density is 1.03 g/ml. Calculate the total mass of sodium chloride in kilograms and in tons.
a proton in a linear accelerator has a de broglie wavelength of 117pm. what is the speed of the
considering this given equation as 2no o2 --gt 2no2 this is believed to occur by the mechanism 2no--gt n2o2
Which of the following molecules is expected to form hydrogen bonds in the pure liquid or solid phase: ethylene glycol (HOCH2CH2OH), formaldehyde (H2CO), and dimethyl ether (CH3OCH3)?
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