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Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule)?
A. H2S > H2O
B. SiCl4 > SCl4
C. CCl2F2 > CH2F2
D. PF3 > PH3
what is the valence molecular orbital configuration (according to MO theory) of homonucleic diatomic species where the atoms have an atomic number greater than seven?
Determine the final temperature achieved in this expansion, and the corresponding work done by the gas for the cases that it is 1) Helium, 2) Krypton.
Calculate the number of moles of carbon dioxide formed if 231 grams of calcium carbonate decomposes. CaCO3(s) ? CaO(s)+CO2(g)
Calculate Ka for hydrogen peroxide. you may use the reactions given on the data sheet, Kw=1.0x10^-14. Assume that hydrogen peroxide is a monoprotic acid.
draw the structures for all the products obtained from the Diels - alders reaction of 2 methyl 1,3 butadiene and propene
If a reaction mixture initially contains 486 of and 261 of , what is the mole fraction of when equilibrium is reached.
If a first-order reaction has a rate constant of 2.11x 10-1s-1 at a temperature of 22.3°C, what would the value of k be if the reaction temperature was changed to 65.7°C given
You are given the masses, in grams (g), and the volumes, in cubic centimeters (cm3), for a series of substances. Arrange them in order of increasing density(Lowest to Highest)
Calculate the pH of a solution that is .150 M in sodium formate and .200 M in formic acid (Ka=1.8*10^-4)
What pressure would have to be applied to a 28.0mL sample of gas at 25°C and 1.00atm to compress its volume to 10.0mL at constant temperature?
Propose a reaction sequence for the conversion of benzoic acid into phenylacetic acid. No need for mechanisms
A 150.0 ml flask contains 0.391 grams of volatile oxide of sulfur. The pressure in the flask is 750mmHg and the temperature is 22 degrees Celsius.
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