A short “Test Yourself” question has been added at the end of each worked example. If students understand the worked example, they should be able to answer the Ask Yourself question.
New Applications scattered through the book include • effects of atmospheric carbon dioxide on the marine ecosystem
• estimation of drug use from analytical measurements of river water
• biochemical measurements with a nanoelectrode
• systematic error in atmospheric ozone measurements
• nutrition labels for trans fat in foods
• acid-base chemistry of cocaine
• nitrogen analysis of adulterated animal food
• carbonate ion-selective electrode for seawater measurements
• ammonium ion-selective microelectrode for river sediment
• application of biological oxygen demand measurement
• electrolytic treatment of wastewater
• oxygen microelectrode for river sedimen
• enhanced explanation of blood glucose monitor
• enzymatic nitrate analysis
• single-molecule fluorescence in biology
• isotope analysis in drug testing of athletes
• superheated water as a “green” chromatography solvent
• solid-phase extraction with molecularly imprinted polymer
• capillary electrophoresis in the diagnosis of thalassemia
• electrolytic suppression in ion chromatography
• probing brain chemistry by microdialysis attached to a lab-on-a-chip
New topics in this edition include
• “green” chemistry
• Grubbs test for outliers (replacing the Q test)
• gravimetric titrations
• acidity of metal ions,
• pictorial description for predicting the direction of an electrochemical reaction
• the charged aerosol detector for liquid chromatography
Wide incorporation of Excel that takes advantage of the program’s built-in features, including:
Section using LINEST for linear regression and adding error bars to graphs.
A new Experiment 10 (downloadable at
www.whfreeman.com/exploringchem4e, usesExcel SOLVER® to fit an acid-base titration curve.