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GENERAL CHEMISTRY SESSION 9-14 image , Freya Medelline - 23010050
Fringky…
GENERAL CHEMISTRY SESSION 9-14
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Session 12
Chemical kinetics
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Collision theory
the rate of a reaction is proportional to the number of effective collisions per second
among reactant molecules.
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Transition state theory
a transition state between reactant and product. a potential energy diagram is used to visualize the transition energy theory.
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Session 13
Chemical Equilibrium
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Le Châtelier’s Principle
When changes are made to the factors affecting the system at dynamic equilibrium, the equilibrium shifts to minimize and counteract these changes.
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Factors
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Pressure
When volume decreases, pressure increases.
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Concentration
Substance removed: reaction occurs to replace the substance, by shifting the equilibrium towards it
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Session 14
Acid and bases
Unsaturated, saturated, and supersaturated solutions
Unsaturated solutions are solutions that have not dissolved the maximum amount of solute at a certain temperature and pressure
Saturated solutions are solutions that have dissolved the maximum amount of solute at a certain temperature and pressure
Supersaturated solutions contain more solute than maximum through heating. Addition of solute may form crystals resulting in precipitation
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Solubility equilibrium
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Selective precipitation
Solvent bind with solutes with the higher solubility first, once no solvent is left, lower solubility solutes precipitate
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Freya Medelline - 23010050
Fringky Chrisle - 23010052
Ida Bagus Radhika Arkananta Putra - 23010059
Jeremy Laurent - 23010063
Joceline Budiman - 23010065
Karen Arianna - 23010077
Lorenza Averina Gunawan - 23010087
Margaretha Clairine Sungkono - 23010093
Mario - 23010094
Timothy Sahat Marshala - 23010157