Chapter 5, Problem 80AP

Interpretation Introduction

Interpretation:

Thefinal temperature of the combined water is to be calculated.

Concept introduction:

The heat associated with thetemperature change of a substance is calculated as follows:

$q=sm\Delta T$

The temperature change is calculated as follows:

$\Delta T=T_{final}-T_{initial}$

The hot water loses the same amount of heat thatis gained by the cold water in a system, that is,

$q_{cold}=-q_{hot}$.