the energy required to break one mole of a certain type of bond in the gaseous state averaged across a variety of compounds. Used for covalently bonded substances only

the energy required to break one mole of a ________

Chemistry Chapter 5

the energy evolved or absorbed in the formation of one mole of a compound from its elements in their standard states

the energy evolved when one mole of a compound in its standard state is burned in excess oxygen at standard conditions. Products for organic reactants usually H2O and CO2. Always exothermic!

the enthalpy change when one mole of a strong acid (or base) undergoes complete neutralization with a strong base (or acid) under standard conditions. Exothermic for strong acid and strong bases combinations only

the endothermic enthalpy change required to produce one mole of gaseous atoms of an element from the element in the standard state

the energy released when one mole of neutral gaseous atoms gain one mole of electrons to form a mole of negatively charged gaseous ions. (it&#039;s the opposite of ionization energy)

the energy required (endo) to remove one mole of electrons from one mole of neutral gaseous atoms.

the energy required to convert one mole of the solid ionic compound into gaseous ions. lattice energy is highly endothermic. only used for ionic substances. a large value indicates a very stable solid lattice with ions very stable solid lattice with ions very strongly attracted to each other. depends on charges of the ions and radii of ions. high charges and small radii means large (+) lattice energy

the enthalpy change when one mole of a substance is dissolved in water to form a dilute aqueous solution. (can be endo or exo)

enthalpy change always exo when one mole of the gaseous ions is added to excess water to form a dilute solution. when the solvent is other than water, &quot;solvation&quot; is used in place of hydration

Study with Quizlet and memorize flashcards containing terms like Bond Enthalpy, Std enthalpy change of formation, Std enthalpy change of combustion and more.

Chemistry Chapter 5 Flashcards

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