<p>A solution of 500 mL of 2M KOH is added to 500 mL of 2M HCl and the mixture is well shaken. The rise in temperature&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>T</mi><mn>1</mn></msub></math>&nbsp;is noted. The experiment is then repeated using 250 mL of each solution and rise in temperature&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>T</mi><mn>2</mn></msub></math>&nbsp;is again note. Assume all heat is taken up by the solution:</p>