Question

A silver bar with a mass of 250. g is heated from 22.0°C to 68.5°C. Assume the specific heat of silver is

0.235 J/g °C. How much heat does the silver bar absorb? Is this endothermic or exothermic?

Answer 1

Heat=$250×0.235×[68.5-22.0]$

Heat = $2708.625j$

Endothermic