If enthalpy of neutralisation of HCl by ...

If enthalpy of neutralisation of HCl by NaOH is -57 kJ `" mol"^(-1)` and with `NH_(4)OH` is -50 kJ `" mol"^(-1)`. Calculate enthalpy of ionisation of `NH_(4)OH` (aq).

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Enthalpy of neutralization of HCl by NaOH is -55.84 kJ/mol and by NH_(4)OH is 51.34 kJ/mol. The enthalpy of ionization of NH_(4)OH is :

Enthalpy of neutralzation is defined as the enthalpy change when 1 mole of acid / / base is completely neutralized by base // acid in dilute solution . For Strong acid and strong base neutralization net chemical change is H^(+) (aq)+OH^(-)(aq)to H_(2)O(l) Delta_(r)H^(@)=-55.84KJ//mol DeltaH_("ionization")^(@) of aqueous solution of strong acid and strong base is zero . when a dilute solution of weak acid or base is neutralized, the enthalpy of neutralization is somewhat less because of the absorption of heat in the ionzation of the because of the absorotion of heat in the ionization of the weak acid or base ,for weak acid /base DeltaH_("neutrlzation")^(@)=DeltaH_("ionization")^(@)+ Delta _(r)H^(@)(H^(+)+OH^(-)to H_(2)O) If enthalpy of neutralization of CH_(3)COOH by NaOH is -49.86KJ // mol then enthalpy of ionization of CH_(3)COOH is:

The standard enthalpy of formation of octane (C_(8)H_(18)) is -250kJ //mol . Calculate the enthalpy of combustion of C_(8)H_(18) . The enthalpy of formation of CO_(2)(g) and H_(2)O(l) are -394 kJ//mol and -286kJ//mol respectively.

Why is enthalpy of neutralization of strong acids and strong bases always - 57.1 kj ?

The enthalpy change for the reaction N2(g) + 3 H2(g) → 2 NH3(g) is -91.8 kJ at 298 K. Calculate the enthalpy of formation of ammonia?

Enthalpy of combustion of carbon to CO_(2) is - 393.5 kj mol^(-1) . Calculate the heat released upon formation of 35.2 g of CO_(2) from carbon and dioxygen gas.

The enthalpy change for the transiton of liquid water to steam is 40.8 kj mol^(-1) at 373 K. Calculate the entropy change for the process.

The heat of formation of NH_(3)(g) is -46 " kJ mol"^(-1) . The DeltaH (in " kJ mol"^(-1) ) of the reaction, 2NH_(3)(g)rarrN_(2)(g)+3H_(2)(g) is

The enthalpy of neutralisation of four acids HA,HB,HC and HD witgh NaOH are 13,-12,-11,-10 Kcal//mol. Which salt has maximum degree of hydrolysis?

Ammonia and oxygen react at high temperature as : 4 NH _(3)(g) to 4NO (g) + 6 H _(2) O (g) in an experiment, the rate of formation of NO is 3.6 xx 10 ^(-3) mol L ^(-1) sec ^(-1). Calculate the rate on formation of H _(2)O.

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