Overview

Energy in ChemistryIntroduction to energy and examplesEnergy involvement during Physical and chemical changesSystem and surroundingExothermic and endothermic reactions and examplesTemperature changes during exothermic reactionsTemperature changes during endothermic reactions (Graphical representation of these changes)Energy changes during Bond making and bond breaking(Explained through diagram and example solved)Energy profile diagram of exothermic reactionEnergy profile diagram of endothermic reactionRate of ReactionIntroductionDefinition of RateCollision Theory (core concept of rate of reaction)Unsuccessful CollisionSuccessful CollisionActivation EnergyProper Orientation of ParticleSummary of Collision theoryFactors on which rate of reaction depends i. Concentration and Rate (Graphical Representation) ii. Temperature and Rate of Reaction (Graphical Representation) iii. Surface area and Rate of Reaction (Graphical Representation) iv. Catalyst and Rate of Reaction (Graphical Representation) v. Pressure (Graphical Representation) (Overall Graphical Representation)Measuring Rate of Reaction Through i. The mass of a gas produced ii. Mass of solid product iii. Change in Color iv. The Loss in mass of a solidReversible ReactionsIrreversible ReactionReversible ReactionDynamic Chemical Equilibrium Examples of Dynamic chemical equilibrium: i. Anhydrous CuSO4 into hydrated CuSO4) ii. Anhydrous CoCl2 to Hydrated CoCl2 Main problem with reversible reaction and solution of the problem: (Core concept of reversible reactions)Le-Chatlier principleFactors on which direction of reaction dependsi. Concentration and Equilibriumii. Temperature and equilibrium reaction optimum temperature.iii. Pressure and Equilibrium of Reaction.iv. CatalystHaber ProcessRaw Material process of HaberYield of ammonia with condition of: a. Pressure b. TemperatureUses of NH3Contact ProcessRaw MaterialProcess of Contact ProcessUses of SO2Uses of H2SO4Past Paper Review & Solution-This section provides valuable insights for O-Level students, helping them effectively tackle past paper questions.

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