Answer:
Initial temperature was: [tex]178.3^\circ \:C[/tex]
Explanation:
The Relation between the volume and temperature at constant pressure is:
[tex]\frac{V_1}{T_1}=\frac{V_2}{T_2}\\\\\frac{2.65}{T_1}=\frac{1.75}{\left(25+273\right)}\\\\T_1=451.3\:K\quad\:or\:\quad 178.3^\circ\:C[/tex]