Search results for “Mole”

Bimolecular Reaction Chemical Kinetics & Catalysis L/(mol·s) An elementary step in which two species collide and react. A + B → products, rate = k[A][B]

Biomolecule Biochemistry & Polymer Chemistry Dimensionless An organic molecule produced by and essential to a living organism.

Bonding Molecular Orbital Chemical Bonding & Molecular Structure Dimensionless A molecular orbital lower in energy than the atomic orbitals from which it forms, whose occupation stabilises the molecule. ψ = ψ_A + ψ_B

Bent Geometry Chemical Bonding & Molecular Structure degrees A molecular shape in which two bonded atoms form an angle at a central atom that also carries one or more lone pairs. AX₂E or AX₂E₂

Bond Dissociation Enthalpy Thermochemistry & Thermodynamics kJ/mol The enthalpy change when one mole of a specific bond is broken homolytically in the gas phase. A–B(g) → A·(g) + B·(g)

Bond Energy Chemical Bonding & Molecular Structure kJ/mol The energy required to break one mole of a given bond homolytically in the gaseous state. A–B(g) → A(g) + B(g)

Bond Order Chemical Bonding & Molecular Structure Dimensionless The number of chemical bonds between a pair of atoms, or in molecular orbital terms half the difference between bonding and antibonding electrons. BO = (N_b − N_a) / 2

Brownian Motion Solutions & Colligative Properties m²/s The continuous random zigzag movement of colloidal particles caused by uneven bombardment from surrounding molecules. ⟨x²⟩ = 2Dt

Base Peak Analytical Chemistry & Spectroscopy Dimensionless The most intense peak in a mass spectrum, assigned an arbitrary relative abundance of 100%.

Biochemistry Biochemistry & Polymer Chemistry Dimensionless The study of the chemical substances and processes that occur within living organisms.

Boiling Point States of Matter & Gas Laws °C The temperature at which the vapour pressure of a liquid equals the external pressure acting on it. p_vap = p_external

Bonding Pair Chemical Bonding & Molecular Structure Dimensionless A pair of electrons shared between two atoms and responsible for holding them together.

Boyle's Law States of Matter & Gas Laws Pa·m³ At constant temperature, the volume of a fixed mass of gas is inversely proportional to its pressure. p₁V₁ = p₂V₂

Results for “Mole”