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Explain when an additional mol of gas is added at constant temperature and volume to a flask containing 2.00 mol of gas at 25oCand 1.00atm pressure, the pressure increases to 1.60 atm.
If all of the electron groups around a single central atom are bonding, and the same outer atom is bonded to the central atom in each case, is the molecule polar, nonpolar, or does it depend on the identity
Would you expect to find more dissolved oxygen in ocean water around the Northern latitudes or in ocean water close to the equator?
helium atoms do not combine to form He2 molecules, yet He atoms do attract one another weakly through? (a). dipole-dipole forces
consider the location of the amino acid side chains and types of repeating interactions in both an alpha helices and
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16. (a) pH 7.5 M (b) pH 10.1 M (c) pH 12.0 M
TiCl4(l)+2H2O(l)=TiO2(s)+-4HCl(g), If you begin with 14.0 mL of TiCl4 (d=1.73mL), what mass of water, in grams, is required for complete reaction
Given your knowledge of complex ion formation, what do you expect to happen to the solubility of ZnS(s) in a solution containing excess NH3?
A gaseous fuel mixture stored at 749 and 298 contains only methane (CH_4) and propane (C_3H_8) . When 11.3 of this fuel mixture is burned, it produces 776 of heat. What is the mole fraction of methane in the mixture
what is the molality of ethanol in a solution made by dissolving 14.6g of ethanol, C2H5OH, in 53.6 g of water?
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?
The letter designations for the first four sublevels with the number of electrons that can be accommodated in each sublevel are what
A solution containing 3.45 mM of p-xylene (analyte) and 6.86 mM of nonane (standard) gave peak areas of 13587 and 14769 respectively, in a chromatographic analysis. then 1.5 mL of 6.86mM nonane solution was added to 5 mL of an unknown sample conta..
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