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SHAPES HL. Valence Share Electron Pair Repulsion (VSEPR) Theory. Valence Share Electron-Pair Repulsion (VSEPR) model allows us to predict the molecular shape by assuming that the repulsive forces of electron pairs cause them to be as far apart as possible from each other.
Le Chatelier Principle and industry The Haber Process The Contact Process. Equilibrium (hl). A volatile liquid Some molecules will evaporate Eventually dynamic equilibrium will be reached between evaporation and condensation Rate of vapourisation = Rate of condensation
HL Bonding. Resonance Structures & Delocalisation of Electrons. Resonance Structures. Occurs when electrons are “shared” between more than one bond. Resonance Structures. Occurs when electrons are “shared” between more than one bond
Bonding - HL. Orbital overlap, hybridization and resonance. Overlap and Bonding. We think of covalent bonds forming through the sharing of electrons by adjacent atoms. In such an approach this can only occur when orbitals on the two atoms overlap. Overlap and Bonding.
Kinetics HL. Rate Expression-. 16.1 Rate Expression, Order of reaction & order wrt particular reactant-. Rate Expression, is a mathematical function expressing the dependence of a rate on the concentration of reactants, determined experimentally. Consider; mA + nB → cC + dD
hypotenuse. leg. hypotenuse. leg. HL Thm. WB GD Given. W, G are rt. ’s Given (on figure). BD DB Reflexive Prop. of . BWD DGB H L Thm.
HL Bonding. HL Bonding. Sigma & pi bonds. and bonds. This goes beyond the Lewis representation. and bonds. This goes beyond the Lewis representation Considers the combining of atomic orbitals to form molecular orbitals. and bonds. This goes beyond the Lewis representation
HL Bonding. Hybridisation. Hybridization is a model which is used to explain the behavior of atomic orbitals during the formation of covalent bonds. When an atom forms a covalent bond with another atom, the orbitals of the atom become rearranged.
HL Postulate. Lesson 3.8. Postulate: If there exists a correspondence between the vertices of two right triangles such that the hypotenuse and a leg of one triangle are congruent to the corresponding parts of the other triangle, the two right triangles are congruent. HL.