Results for “Enthalpy”
6 terms
Standard Enthalpy of Combustion
Thermochemistry & Thermodynamics
kJ/mol
The enthalpy change when one mole of a substance burns completely in excess oxygen under standard conditions.
ΔH_c°
Standard Enthalpy of Formation
Thermochemistry & Thermodynamics
kJ/mol
The enthalpy change when one mole of a compound forms from its elements in their standard states.
ΔH_f°
Spontaneity
Thermochemistry & Thermodynamics
kJ/mol
The tendency of a process to occur without any continuous external input of energy.
ΔG < 0
Stoichiometric Coefficient
Stoichiometry & Chemical Reactions
Dimensionless
The number written before a formula in a balanced equation, giving the relative amount of that substance consumed or produced.
Supersaturated Solution
Solutions & Colligative Properties
mol/L
An unstable solution containing more dissolved solute than the equilibrium solubility at that temperature.
State Function
Thermochemistry & Thermodynamics
Various
A property whose value depends only on the current state of the system, not on how that state was reached.
ΔX = X_final − X_initial