The standard heat of formation of sodium ions in aqueous solution from the following data:
heat of foramtion of `NaOH(aq.)` at `25^(@)C=-470.7kJ`
heat of formation of `OH^(-)`(aq.) at `25^(@)C=-228.8kJ` is:

The standard heat of formation of sodium ions in aqueous solution from the following data : Heat of formation of NaOH(aq) at 25^(@)C = - 470.7 KJ : Heat of formation of OH^(-1) at 25^(@)C = -228.8 KJ is :

The standard heat of formation of sodium ions in aqueous solution from the following data : Heat of formation of NaOH(aq) at 25^(@)C = - 470.7 KJ : Heat of formation of OH^- at 25^(@)C = -228.8 KJ is :

The standard heat of formation of sodium ions in aqueous solution from the following data: Heat of formation of NaOH(aq) from NaOH(s) at 25^@C=-470 kJ Heat of formation of OH-(aq) from OH-(s) at 25^@C=-228.8 kJ .

Compute the heat of formation of liquid methyl alcohol in kilojoule per mol using the following data. Heat of vaporisation of liquid methyl alcohol =38kJ//mol . Heat of formation of gaseous atoms from the elements in their standard states :H=218kJ // mol, C=715kJ //mol, O=249kJ //mol. Average bond energies : C-H415kJ//mol, C-O 356kJ//mol, O-H 463kJ //mol.

Compute the heat of formation of liquid methyl alcohol in kilojoules per mole, using the following data. Heat of vapourisation of liquid methyl alcohol =38 kJ/mol. Heat of formation of gaseous atoms from the elements in their standard states , H= 218kJ/mol, C= 715kJ/mol, O= 249 kJ/mol. Average bond energies :C-H =415kJ/mol, C-O=365 kJ/mol, O-H = 463 kJ/mol.

Compute the heat of formation of liquid methyl alcohol in kilojoules per mole, using the following data. Heat of vapourisation of liquid methyl alcohol= 38 kJ/mol. Heat of formation of gaseous atoms from the elements in their standard states, H= 218kJ/mol, C= 715 kJ/mol, O= 249 kJ/mol. Average bond energies, C-H = 415 kJ/mol, C-O = 365 kJ/mol, O-H= 463 kJ/mol