When equal volume of \( 1\,\text{M} \) HCl and \( 1\,\text{M} \) \( \text{H}_2\text{SO}_4 \) are separately neutralised by excess volume of \( 1\,\text{M} \) NaOH solution, \( x \) and \( y \) kJ of heat is liberated respectively. The value of \( y/x \) is _______.
