Cidepe

Function

Intended for experimental study, chemistry laboratory and carrying out chemistry experiments on: General procedures for an experimental class. Preparation of solutions, acids, bases, salts, special reagents, Fehling's liquor, Schiffe's and Tollens' reagents. Chemical equilibrium. Determination of pH. Classification of the medium according to pH. Titrimetry. The concentration of acid in a fruit. Thermochemistry. The equivalent in water and the heat capacity of a calorimeter. What is heat. Energy balance, principle of heat exchange. Determining the specific heat, mass heat capacity, of a solid. What is meant by specific heat. Measuring the final temperature, thermal equilibrium temperature. Using conservation of energy and the principle of heat exchange. Determining the specific heat of copper. The specific heat, mass heat capacity, of different solid materials. Endothermic reaction of copper sulfate with water. Exothermic chemical reaction of copper nitrate. The heat of neutralization. Internal energy. Exothermic and endothermic reactions. Thermochemistry. Enthalpy. Heat of neutralization. The electrochemical cell. Conversion of chemical energy into electrical energy. The difference between a simple battery and a Daniell battery. Building a Daniell battery. Justification for using a salt bridge. The electrochemical process of the battery. The cathode and the anode. Electrolytes, second-class conductors, ions. What is meant by electrolysis. The electrolytic solution. The decomposition of water through electrolysis. The chemical decomposition reaction, or analysis. Chemical kinetics. The factors of concentration, temperature and catalyst. Catalyst, catalysis process, catalytic process. Homogeneous catalysis and heterogeneous catalysis. Autocatalyst and inhibitor. Study of gases and their transformations. Isothermal transformation and the Boyle-Mariotte law. Constructing the pressure versus volume graph and the pressure versus inverse volume graph. Influence of temperature on the atomic and molecular movement of a gas. Kinetic theory of gases. Molecular agitation of the body. Monatomic gas. Thermal energy, heat. Temperature, the level of the average degree of agitation of atoms and molecules. Polymolecular gas. Arrangement of a polymolecular gas with the same chemical function. Arrangement of a polymolecular gas with different chemical functions. Chemical solutions. Concentration of solutions, common and ppm. Concentration ppm by mass, ppm by volume and ppm by mass per volume. Concentration of solutions, molar, molarity. Molar mass. Number of moles of solute. Molarity. Concentration of solutions, normal, normality. Calculations of the equivalent in grams and normality. Concentration of solutions, the title and the title in percentage, the percentage by volume. Organic chemistry. Carbon and its compounds. Construction of three-dimensional organic structures. Spatial models of a simple molecule, methane gas and a more complex molecule, acetone. Identifying the presence of carbon through the flame, through the burning of the glycide sucrose, sugar. Identifying the presence of hydrogen through anhydrous copper sulfate. Identifying the presence of nitrogen in urea through ammonia gas. Identifying the presence of halogen through the formation of a salt. Identifying the presence of oxygen through the color change in organic compounds. Identifying the presence of sulfur in a strand of hair. Organic functions. Hydrocarbons, obtaining an alkane, Dumas method. Obtaining an alkene, Bayer test, obtaining an alkyne, Wöhler method, identification of an alkyne. Aromatic hydrocarbons, solubility, combustion, alkylation reaction. Friedel-Crafts reaction. Alcohol, water absorption, color change. Hydrated and dehydrated copper sulfate. Alcohol, oxidation reaction. Aldehydes. Potassium dichromate, etc.

Cidepe - Industrial Center for Teaching and Research Equipment - is a company of reference in educational instruments in educational institutions in Brazil and abroad. With an experienced team of engineers, professors, researchers, consultants and other collaborators, Cidepe develops products with technology and human talent to improve the teaching dynamics.
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Details

Details with the main experiments