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Equilibrium : CommonIonEffect (9 Variations)
The molar solubility of lead(II) fluoride (PbF_{2}) is
2.1 x 10^{-3} mol/L in pure water at 25^{o}C. What is the molar solubility of lead(II) fluoride in 0.10 M NaF at 25^{o}C? (Assume that the only relevant reaction is the solubility-product equilibrium.)

Equilibrium |

Chemometrics

Equilibrium : ConcFromKsp (8 Variations)
The K_{sp} of BaF_{2} is
1.7 x 10^{-6} mol/L in water at 25^{o}C. What is the concentration of barium ions in equilibrium with solid barium fluoride? (Assume that the only relevant reaction is the solubility-product equilibrium.)

Manual Data Processing in Analytical Chemistry: Linear CalibrationDora Melucci Most science students are familiar with Excel spreadsheets, but determining which of Excels statistical functions perform a calculation equivalent to a classical equation and calculating errors with Excel are not trivial exercises. Melucci, Dora. J. Chem. Educ.2008, 85, 1346.

Calibration |

Chemometrics |

Quantitative Analysis

Helping Students Assess the Relative Importance of Different Intermolecular InteractionsPaul G. Jasien A semi-quantitative model has been developed to estimate the relative effects of dispersion, dipoledipole interactions, and H-bonding on the normal boiling points for a series of simple, straight-chain organic compounds. Application of this model may be useful in addressing student misconceptions related to the additivity of intermolecular interactions. Jasien, Paul G. J. Chem. Educ.2008, 85, 1222.

RadiationEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.

Nuclear / Radiochemistry

Transmutation and RadioactivityEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.

Nuclear / Radiochemistry

Radium and Its Relatives Volume 04, issue 30 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.