<p>The temperature of a 5 mL of strong acid increases by&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML" class="wrs_chemistry"><msup><mn>5</mn><mo>&#176;</mo></msup></math>C when 5 mL of a strong base is added to it. If 10 mL of each are mixed, temperature should increase by:</p>