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The molecular mass of 12C carbon-12 is exactly 12 g/mole. The molecular mass of 16O (oxygen-16) is 15.995 g/mole. Compute the reduced mass of 12C16O molecule.
Calculate the osmotic pressure( in atm) of each of the following aqueous solutions at 20.00 degree C: a. 1.59 M methanol (CH3OH)
A solution contains 25g of NaCl per 100.0 g of water at 25 degrees Celsuis. Is the solution unsaturated, saturated or supersaturated
in which series are the carbon-carbon bond lengths arranged in the correct order from shortest to
The reaction of methane and water is a way to prepare hydrogen according to CH4(g)+H2O=CO2(g)+H2(g) a) If 995 g of CH4 reacts with 2510 g of water, how many moles of reactants and products are there when the reaction is finished
you have a 550 ml tank of gas with a pressure of 1.56 atm at 24.0degc. you thought the gas was pure carbon monoxide but
question the international union of pure and applied chemistry iupac has adopted 273.15 k and 1 bar as standard
A metal has crystallized with a face-centered cubic lattice. The edge of the unit cell is 366 pm. What is the diameter of the metal atom?
Assuming the heat absorbed by the styrofoam is negligible, calculate the expected final temperature. The specific heat of water is 4.184 J g-1 K-1.
a tlc plate showed two spots with rf values of 0.25 and 0.26. the plate was removed from the developing chamber the
a chemist wishing to do an experiment requiring 47ca half-life 4.5 days needs 5.0 mg of the nuclide. what mass of
Graphite Furnace vs ICP, with investigating and writing a proposal for Heavy metal testing using Graphite Furnace.
Presume some HO2 with a preliminary concentration of 2.0 × 10-8M could be confirmed at 25 °C. Compute the concentration that would remain after 1.0 s, presuming no other reactions take place.
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