Question

Four beakers have water at 20c. A piece of metal is dropped into the water in each beaker. The table below shows the initial temperature of the four metals

Answer 1

Metal D.

Step-by-step explanation:

Metal D is below 20C, so when it is dropped into the 20C water, it will begin to move close to that heat level, although it will not achieve it. But it still receives heat.

Answer 2

Metal D

Step-by-step explanation:

According to the Clausius statement heat can never travel from cold body to a hot body unless some external work is being done.

The metal D which is at 16 °C is at a lower temperature than the water which is at 20 °C.

All the other metals are at a higher temperature than the water. The water will receive heat in these cases.