Question

Why does it take a longer time for a kilogram of water than a kilogram of copper to reach the same temperature? ​

Answer 1

Since water has a higher specific heat than copper.

Step-by-step explanation:

Dimensionally speaking, the specific heat of a material (
`c`) is represented by:

`[c] = ([Energy])/([Mass]\cdot [Temperature])`

The specific heats of water and copper are
`4186\,(J)/(kg\cdot ^(\circ)C)` and
`390\,(J)/(kg\cdot ^(\circ)C)`, respectively. Let suppose that temperature change and masses of water and copper are the same. Then, a kilogram of water takes a longer time than a kilogram of copper since the first has a higher specific heat.