Search results for “Mole”

Lattice Energy Chemical Bonding & Molecular Structure kJ/mol The energy released when one mole of an ionic solid is formed from its constituent gaseous ions. U ∝ (z⁺z⁻) / (r⁺ + r⁻)

Lewis Structure Chemical Bonding & Molecular Structure Dimensionless A diagram showing the bonding and lone pairs of a molecule using dots or lines for valence electrons.

Ligand Inorganic & Coordination Chemistry Dimensionless An ion or molecule that donates one or more electron pairs to a central metal atom.

Ligand Field Theory Inorganic & Coordination Chemistry cm⁻¹ The refined bonding model that combines crystal field theory with molecular orbital treatment of metal–ligand covalency.

Linear Geometry Chemical Bonding & Molecular Structure degrees A molecular shape in which the bonded atoms lie on a straight line, giving a bond angle of 180°. AX₂ or AX₂E₃

Lipid Biochemistry & Polymer Chemistry Dimensionless A biomolecule that is largely non-polar and therefore insoluble in water but soluble in organic solvents.

Liquid Crystal States of Matter & Gas Laws Dimensionless A state of matter that flows like a liquid but retains some of the molecular ordering of a crystal.

London Dispersion Forces Chemical Bonding & Molecular Structure kJ/mol Attractions between molecules caused by instantaneous fluctuations in electron distribution inducing dipoles in neighbours. E ∝ α² / r⁶

Langmuir Adsorption Isotherm Chemical Kinetics & Catalysis Dimensionless A model describing monolayer adsorption on a surface with a fixed number of equivalent, independent sites. θ = Kp / (1 + Kp)

Latent Heat States of Matter & Gas Laws kJ/kg The energy absorbed or released when a substance changes state, with no accompanying change in temperature. q = m × L

Law of Definite Proportions Foundations of Chemistry Dimensionless The principle that a given chemical compound always contains its constituent elements in the same fixed mass ratio.

Like Dissolves Like Solutions & Colligative Properties Dimensionless The empirical rule that substances dissolve best in solvents with similar polarity and bonding character.

Limiting Reagent Stoichiometry & Chemical Reactions mol The reactant that is completely consumed first and therefore determines the maximum amount of product obtainable. smallest n / coefficient

Liquid State States of Matter & Gas Laws Dimensionless The state of matter with a definite volume but no fixed shape, in which particles are close together yet free to move past one another.

Lone Pair Chemical Bonding & Molecular Structure Dimensionless A pair of valence electrons localised on one atom and not involved in bonding.

Le Chatelier's Principle Chemical Equilibrium Dimensionless When a system at equilibrium is disturbed, it responds in the direction that partially opposes the disturbance.

Lewis Theory Acids, Bases & Salts Dimensionless The theory defining an acid as an electron pair acceptor and a base as an electron pair donor. A + :B → A←B

Results for “Mole”