TAILIEUCHUNG - Ebook Essentials of physical chemistry: Part 2

(BQ) Part 2 book "Essentials of physical chemistry" has contents: Physical properties and chemical constitution, solutions, theory of dilute solutions, theory of dilute solutions, theory of dilute solutions, distribution law, distribution law, chemical kinetics,.and other contents. | 482 13 PHYSICAL CHEMISTRY 13 Physical Properties and Chemical Constitution C H A P T E R C O N T E N T S SURFACE TENSION AND CHEMICAL CONSTITUTION USE OF PARACHOR IN ELUCIDATING STRUCTURE VISCOSITY AND CHEMICAL CONSTITUTION (1) Dunstan Rule (2) Molar Viscosity (3) Rheochor DIPOLE MOMENT Determination of Dipole moment BOND MOMENT DIPOLE MOMENT AND MOLECULAR STRUCTURE Dipole moment and Ionic character MOLAR REFRACTION AND CHEMICAL CONSTITUTION OPTICAL ACTIVITY AND CHEMICAL CONSTITUTION MAGNETIC PROPERTIES Paramagnetic Substances Diamagnetic substances MOLECULAR SPECTRA ELECTROMAGNETIC SPECTRUM Relation between Frequency, Wavelength and Wave number Energy of Electromagnetic Radiation MOLECULAR ENERGY LEVELS Rotational Energy Vibrational Energy Electronic Energy ABSORPTION SPECTROPHOTOMETER ROTATIONAL SPECTRA VIBRATIONAL SPECTRA VIBRATIONAL-ROTATIONAL SPECTRA How are IR spectra recorded and interpreted ? IR SPECTROSCOPY UV-VIS SPECTROSCOPY NMR SPECTROSCOPY MASS SPECTROSCOPY RAMAN SPECTRA P hysical properties of a substance depend on the intermolecular forces which originate in the internal structure or the constitution of the molecule. Thus the determination of properties such as surface tension, viscosity, refractive index etc., can give valuable information about the structure of molecules. In the modern times the molecular spectra of substances recorded by spectroscopic techniques have proved extremely helpful in elucidating the structure of organic molecules. Physical properties may be classified into the following types : (1) Additive Property When a property of a substance is equal to the sum of the corresponding properties of the constituent atoms, it is called an additive property. For example, molecular mass of a compound is given by the sum of the atomic masses of the constituent atoms. (2) Constitutive Property A property that depends on the arrangement of atoms and bond structure, in a molecule, is referred to as a constitutive 482 PHYSICAL .

• Hoá học
• Essentials of physical chemistry
• Physical chemistry
• Physical properties
• Chemical constitution
• Theory of dilute solutions
• Distribution law
• Structure of Atom–Classical mechanics
• Nuclear chemistry
• Chemical bonding–orbital concept
• Positive distribution law
• The truncated Gaussian
• The fitted Gaussian
• The lognormal distribution
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