In the activity comparing the reactivity of metals with dilute acids, which instrument was used to help judge how exothermic each reaction was

Metals, in their pure state, generally have Science · Metals and Non-metals The shining nature of a freshly cut metal surface is called Science · Metals and Non-metals The ability of metals to be beaten into thin sheets is called Science · Metals and Non-metals The most malleable metals, according to the chapter, are Science · Metals and Non-metals