Chemistry > Thermodynamics and Thermochemistry > 12.0 Standard Enthalpy of Reaction

  Thermodynamics and Thermochemistry
    1.0 Introduction to Thermodynamics
    2.0 Thermodynamic Processes
    3.0 Heat $(Q)$
    4.0 Work $(W)$
    5.0 Internal Energy
    6.0 Zeroth Law of Thermodynamic
    7.0 First Law of Thermodynamics
    8.0 Heat Capacity
    9.0 Enthalpy $(H)$ or Heat Content
    10.0 Significance of $?H$ and $?E$
    11.0 Relationship Between $?H$ and $?E$
    12.0 Standard Enthalpy of Reaction
    13.0 Law of Thermodynamics
    14.0 Bond Energy or Bond Enthalpies
    15.0 Second Law of Thermodynamic
    16.0 Entropy (S)
    17.0 Spontaneous Processes
    18.0 Free Energy (G)
    19.0 Enthalpy, Entropy, Free Energy Changes and The Nature of Process
    20.0 Standard Free Energy Change
    21.0 Coupled Reactions
    22.0 Third Law of Thermodynamic
    23.0 Important Facts

12.6 Enthalpy of Neutralization $\left( {\Delta {H_{neu}}} \right)$

The enthalpy change when one mole of ${H^ + }$ ions from any acid is completely neutralized by one mole of $O{H^ - }$ ions from any base in their dilute solution to forms one mole of water is defined as the enthalpy of neutralization.

$${H^ + }\left( {aq} \right) + O{H^ - }\left( {aq} \right) \to {H_2}O\left( \ell \right);\quad \;\Delta H = - 57.1\;kJ\;mo{l^{ - 1}} = 13.7\;kcal\;mo{l^{ - 1}}$$

$$\Delta {H_{neutralisation}} = \left( { - 57.1 + \Delta H_{ionisation}^{acid} + \Delta H_{ionisation}^{base}} \right)kJ$$

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