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what bond angles do you expect for each of the following, and what kind of hybridization do you expect for the central atom in each?
a. glycine (an amino acid)b. pyridinec. lactic acid (in sour milk)
a group 3A metal has a densityof 2.70 g/cm3 and a cubic unit cell with an edge length of 404 pm . Reaction of a 1.07cm3 chunk of the metal with an excess of hydrochloric acid gives a colorless gas that occupies 4L at 23C and a pressure of 740 mm H..
At what temperature will a solution of 8.27 g CaCl2 in 45.0 g H2O begin to freeze? Assume complete dissociation
diluted to about 0.95 L of water. Calculate the approximate concentration of this solution.
what is the vapor pressure of a solution made by adding 164g flycerin to 338mL H2O at 39.8 C. The vapor pressure pf pure water at 39.8 C is 54.74 torr
What is effective diffusion coefficient of CH4 in the nanochannel at the feed gas conditions? Is Knudsen diffusion important?
You need to determine value of ?G° for CO(NH2)2(s) + H2O(l) CO2(g) + 2NH3(g)?
On forming the nuclide from the protons, neutrons and electrons, the mass loss per nucleon for the is 0.00759 amu, whereas that for is 0.00944 amu. This means that:
If you start with 15.0 of a 0.900 solution of , and then dilute it with water to 270 , what is the concentration of at equilibrium?
what simple test would you use to identify the possible presence of HCl (aq)? what result do you expect if the solution is HCl (aq)?
Calculate the pH after 0.15 mol of NaOH is added to 1.00 L of 0.60 M HF and 1.01 M KF.
Table below lists absorption values of an FT-IR band at 1530 cm^-1 due to bending vibrations of polyethylene in polyethylene/polybutadiene (PE/PBT) blends.
What is the maximum kinetic energy of a photoelectron ejected fromcesium by 555 nm light? Note that if the wavelength of light usedto irradiate the cesium surface becomes longer than 660 nm
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