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 liquie methyl alcohol is 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 kilo joules per mole using the following data : Heat of vaporisation of liquid methyl alcohol : 38 kJ/mol. Heat of formation of gaseous atoms from the elements in their standard states : H = 218 kJ/mol, C = 715 ("kJ")/("mol")= and O = 249 ("kJ") /("mol") . Average bond energies, C - H = 415 kJ/mol, C - O = 356 (kJ)/(mol) and O-H = 436 (kJ)/(mol).