Standard Enthalpy of Formation (HSC SSCE Chemistry): Flashcards
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Standard state pressure for thermodynamic measurements
Standard state pressure for thermodynamic measurements
Standard state concentration for solutes in solution
Standard state concentration for solutes in solution
Standard enthalpy of formation ()
Standard enthalpy of formation ()
Enthalpy change forming 1 mole from elements in std states
Moles of compound in standard formation equations
Moles of compound in standard formation equations
Always exactly one mole
for elements in their standard state
for elements in their standard state
Zero (0)
Symbol indicating standard conditions in enthalpy
Symbol indicating standard conditions in enthalpy
(superscript degree symbol)
Formula: from formation enthalpies
Formula: from formation enthalpies
(products) (reactants)
of H₂O(l) at 298 K in kJ·mol⁻¹
of H₂O(l) at 298 K in kJ·mol⁻¹
Reason for fractional coefficients in formation eqns
Reason for fractional coefficients in formation eqns
To form exactly one mole of the compound
Importance of physical state for values
Importance of physical state for values
Same compound has different in different states