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Intro to Chemical Engineering
Principles of Chemistry: A Molecular Approach
224 SOLVED PROBLEMS
Question: 17.8
Calculating Molar Solubility from Ksp Calculate the molar solubility of PbCl2 in pure water. ...
Verified Answer:
Begin by writing the reaction by which solid[latex...
Question: 10.3
Predicting Molecular Geometries Predict the geometry and bond angles of ICl4-. ...
Verified Answer:
ICl
_{4}^{-}
has 36 valence electron...
Question: 10.6
Hybridization and Bonding Scheme Write a hybridization and bonding scheme for bromine trifluoride, BrF3. ...
Verified Answer:
BrF
_{3}
has 28 valence electrons an...
Question: 5.15
Graham’s Law of Effusion An unknown gas effuses at a rate that is 0.462 times that of nitrogen gas (at the same temperature). Calculate the molar mass of the unknown gas in g/mol. ...
Verified Answer:
\frac{Rate_{unk}}{Rate_{N_{2}}}=\sqrt{\frac...
Question: 5.14
Root Mean Square Velocity Calculate the root mean square velocity of oxygen molecules at 25 °C. ...
Verified Answer:
T = 25 + 273 = 298 K M =
\frac{32.00 \cance...
Question: 11.6
relating Density to Crystal Structure Aluminum crystallizes with a face-centered cubic unit cell. The radius of an aluminum atom is 143 pm. Calculate the density of solid crystalline aluminum in g/cm3. ...
Verified Answer:
m(Al atm) = 26.98
\frac{ g}{\cancel{mol}}\ti...
Question: 5.7
Density Calculate the density of nitrogen gas at 125 °C and a pressure of 755 mmHg ...
Verified Answer:
T(K) = 125 + 273 = 398 K P = 755
\cancel{mm...
Question: 10.7
Hybridization and Bonding Scheme Write a hybridization and bonding scheme for acetaldehyde, ...
Verified Answer:
Acetaldehyde has 18 valence electrons and the foll...
Question: 10.2
Predicting Molecular Geometries Predict the geometry and bond angles of PCl3. ...
Verified Answer:
PCl
_{3}
has 26 valence electrons. [...
Question: 19.7
Calculating Mass Defect and Nuclear Binding Energy Calculate the mass defect and nuclear binding energy per nucleon (in MeV) for C-16, a radioactive isotope of carbon with a mass of 16.014701 amu. ...
Verified Answer:
Calculate the mass defect as the difference betwee...
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