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Synthesis of a chemical species Characterization of a synthetic chemical species and comparison with banking blood cord natural extract with the same chemical that the species synthesized. Constitution of the matter - Simple models for description of the atomNucleus (protons purple colors neutrons), electrons: Number of charge and atomic number Z.

Number of nucleons A. Elementary charge, charges of Lapatinib (Tykerb)- FDA constituents of the atom. Electroneutrality of the atom Mass: mass of the constituents of the atom mass approximation of an atom and its how to calm down, considered as the sum of the masses of its constituents.

Size: magnitude of the ratio of the respective dimensions of the atom and its nucleus. Conservation of the element in the chemical transformations. A how to calm down of the electron cloud Distribution of electrons in different layers, called K, L, M. Distribution of electrons for the elements of Z between 1 and 18.

Lewis representation of a few molecules. Enumeration of pairs of electrons binders and non binders. The geometry of some simple molecules. Provision of pairs of electrons according to their number. Application to molecules having only single bonds. The current criteria of classification: Z and the electrons of the outer layer. Using the periodic table. Usual formulas of molecules and charges of monoatomic ions; generalization to higher Z elements.

Avogadro how to calm down, NA Molar mass "atomic" : M (g mol-1). Molar volume Vm (L. Molar concentration of molecular species in solution. Notions of solvent, solute, solution and aqueous solution. Dissolution of a molecular species. Molar concentration of species dissolved in solution unsaturated.

Dilution of a solution. Modeling the transformation: chemical reactionExamples of chemical changes. Initial state and final state of a system. Writing symbolic of the reaction Chemical equation.

Adjustment of stoichiometric numbers. Expression of the quantities of matter (in mol) of reactants and products during the transformation. Limiting reagent and maximum progress Material balance. This increase in content is accompanied by the construction of a table describing the evolution of the system during processing. From examples taken from everyday life, show the need for different measurement techniques and how to calm down awareness of the choice of a y elfimovopenclinics ru based on a target.

Molar volume of an ideal gas pressure and temperature known. Obtaining an electrolyte solution by dissolving ionic solids, liquids or gases in water. Dipolar character of a molecule (permanent dipole): examples of the molecule of hydrogen chloride and water molecule, correlated with the periodic table.

Solvation of ions, interaction between dissolved ions and water molecules. Special case of the proton. THE EXAMPLE OF How to calm down of an ionic solution, GMethod of measuring the conductance. Influencing variables (temperature and surface electrodes, surface electrodes, distance between them, nature and concentration of the solution).

Ionic molar conductivity, li, and the relationship between ionic conductivity and molar how to calm down of a solutionUsing a molar ionic conductivities table of folico acido most common ions.



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