CHIMICA GENERALE ED INORGANICA II E LABORATORIO A - L
Academic Year 2017/2018 - 1° YearCredit Value: 6
Scientific field: CHIM/03 - General and inorganic chemistry
Taught classes: 21 hours
Exercise: 12 hours
Laboratories: 24 hours
Term / Semester: 2°
Learning Objectives
The task of this lecturing of General and Inorganic Cemistry is giving the students the first notions of Chemistry which will constitute the scientific-cultural backgorund necessary to follow the advanced chemical courses of next years.
Detailed Course Content
1. Ionic euilibria in aqueous solution: solubility of salts and constant of the solubility product.
​2. Little elementary thermodynamics and thermochemistry: State variables,the first law od thermodynamics, capacità termiche molari, misura del calore, Legge di Hess ed entalpie di reazione, II principio della Termodinamica , III principio della Termodinamica ed entropie di reazione, energia libera, relazione tra l’energia libera e la costante di equilibrio.
3. Electrochemistry: conductivity of aqueous solutions, electrolysis, Faraday's laws, chemical batteries and normal potentials, use of the redox potentials for the prevision of a redox chemical reaction, overpotential and discharge potentials.
4. Inorganic Chemistry: Hydrogen and elements of s group , alakaline and alkaline earth metals i, p group elementsp: 3rd, 4th, 5th, 6th an 7th groups. Noble gases. LIttle ouytlines on the chemistry of transition elementes.Chemical behaviour of the first series of treansition elements :Chromium, Manganese, Iron, Cobalt, Nickel, Copper and Zinc.
Excercises of General and Inorganic Chemistry 2
Solubility and constant of product solubility
Definition of a constant of solubility product, relationship between solubilty and constant of solubility product for salts with different stoichiometry.
Thermodynamics
Calculations of the thermodynamic parameteres of a chemical reaction and of the pertinent equilibrium constant.
Electrochemistry
Calculation of deltaE° of a redox reaction and of the pertinent equilibrium constant, calculation of the amounts obtained at the electrodes from electrlysis of salt solutions or fused salts
Experimental Chemistry II
Experiment
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Considerations
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1. Titrations of monoprotic strong and weak acids with the use of a pHmetre,
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Differences in the ttitration curves when considering strong and weak acids, determination of a dissociation consatan of a weak acid, volumetric titrations. |
2. Solubility of salts: determination of the constant of solubility product of a sparingly soluble salt, check of the solubilty of silver halides in ammonia
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Sparingly soluble salts and competition between precipitation and complexation in the solubilization of precipitates.
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3. Building of a battery and electrolysis of aqueous solutions |
REdox potentials and electrochemical series of elements, determination of the overpotentials during an electrlysis of water, verifying of Faraday's laws. |
4. Determination of the formation enthalpy of magnesium oxide |
Heat of a chemical reaction trough temeperature variations within a simple calorimeter |
5. Titration with potassium permangante of commercial hydrogen peroxide and a detergent containing sodium percarbonate |
Quantitative determination of peroxides in commercial samples. |
Textbook Information
M.S. Siberberg, CHIMICA (La natura molecolare della materia e delle sue trasformazioni) , Mc Graw Hill |
2. R.H. Petrucci, W.S. Harwood, F.G. Herring, CHIMICA GENERALE (Principi e moderne applicazioni), Piccin |
3. P. Michelin Lausarot, G.A. Vaglio, STECHIOMETRIA, Piccin |
Books of General Chemistry at universitary level can be used. |