Answer to Question #310590 in Molecular Physics | Thermodynamics for Kalaku

Question

What is the apparatus use to show that water is a poor conductor of heat

Answer 1

Answer

According to concepts,

heat the test tube near its mouth. It is noted that water starts boiling near the top but the ice does not melt. This experiment shows that water is a poor conductor of heat. To heat water easily one needs to cover the water with the lid while being heated to minimize loss of heat carried by vapour.