Friday, April 17, 2015

Average Calculation Program High School 4th Grade 5th Grade Appreciation Appreciation-Thank-You Cal


9. The class mixes lectures, high school chemistry lecture, plug in heater for car 10 chemistry lecture notes, 9th grade chemistry lecture, ygs preparatory plug in heater for car notes, lysine lecture notes Vg1 separation of messy mixture Mixture: Two or more pure substances plug in heater for car together in The structure formed by dissolution. Bi-divided into: a) homogeneous mixtures (solutions): Liquid-liquid alcoholic water liquid-solid: salt water, sugar water, plug in heater for car gas-gas: air-liquid-gas: soda solid-solid: alloy b) Heterogeneous Mixtures: Liquid-liquid plug in heater for car ( emulsion): olive oil-water liquid-solid (suspension): muddy water, chalk dusty water, buttermilk, Turkish coffee plug in heater for car liquid-gas (aerosol): plug in heater for car deodorants, sprays mixtures where the suspended solid particles in the fluid fluid (colloids): serum, blood plasma solution and Solubility plug in heater for car Soluble Solvent + = Classification of Homogeneous Solution 1) Includes by-soluble amount: a) Unsaturated solution: solutions are solved with a smaller amount of material can solve a given temperature. b) saturated solution: a solution which are solved at a given temperature plug in heater for car can resolve most substances. in saturated solution in equilibrium with solid bottom and a saturated solution plug in heater for car of the solid. c) the supersaturated solution: prepared plug in heater for car under varying temperature and pressure conditions. Is unstable. The bottom floor of the crash with only a concussion. 2) Concentration of (the solute concentration in solution) by: a) Concentrated Solution: S is more soluble. b) Dilute Solution: Solvent is more. 3) According plug in heater for car to the Electrical Conductivity: a) Electrically Conductive Solutions (electrolytes) 100% would ionizing dissolution. Example: acid, base, salt. b) Power of Less transmitting Solutions (Weak Electrolytes): Dissolution is partially ionizing. c) electrically nonconductive solutions plug in heater for car (without electrolytes) would be dispersed if not insoluble ionizing molecules. Resolution: A maximum of 100 grams of the water-soluble substance of the mass at a given temperature and pressure it is called the solubility of the substance. Resolution = mass of solute (g) / 100 g of water by mass Percent Concentration = (mass of solute / mass of solution). 100 Factors Affecting Solubility 1) Solids and Liquids, Factors Affecting the Solubility in liquids: Solid and liquid, the resolution of the liquid is generally endothermic. plug in heater for car a) Temperature: Endothermic dissolved solids and liquids, temperature increases with increasing resolution. for exothermic soluble solids and liquids, solubility decreases as temperature increases. b) Pressure: Solid and liquid, there is no effect of pressure plug in heater for car on the solubility in liquids. 2) the gases in liquids Factors Affecting the resolution: The gas is exothermic, the solubility in liquids. a) Temperature: The temperature of the gas increases, the solubility plug in heater for car in the liquid is reduced. b) Pressure: Pressure grows gases, increases the solubility in liquids. Properties of Blend 1) The boiling point of the solution is greater than the boiling plug in heater for car point of pure water. boiling starts an external pressure is equal to the vapor pressure plug in heater for car of the liquid. remained stable during the boiling temperature plug in heater for car of pure substances, increases in temperature during the boiling of the solution. Normal boiling point; 1 atm (76 cm Hg) with a boiling point that is called plug in heater for car boiling liquid under pressure. While every place and at a certain temperature plug in heater for car of the boiling liquid, the liquid surface evaporation and would at all temperatures. 2) the vapor pressure of the solution is lower than the vapor pressure of pure water. It is difficult to cause evaporation of the material of the surrounding environment of water molecules in pure solution. If the vapor pressure of the liquid evaporates how is so great. pure water vapor pressure is equal to the boiling solution of the same medium. 3) the freezing point of the solution is less than the freezing plug in heater for car point of pure water.
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