   Chapter 5, Problem 10PS

Chapter
Section
Textbook Problem

After absorbing 1.850 kJ of energy as heat, the temperature of a 0.500-kg block of copper is 37 °C. What was its initial temperature?

Interpretation Introduction

Interpretation:

Initial temperature of copper at definite mass has to be calculated.

Concept Introduction:

Heat energy required to raise the temperature of 1g of substance by 1k.Energy gained or lost can be calculated using the below equation.

q=C×m×ΔT

Where,

q= energy gained or lost for a given mass of substance (m),

C =specific heat capacity

ΔT= change in temperature

Explanation

Given,

Specific heat capacity of copper =0.385J/gK

Mass of copper =0.5Kg

q  =1.850KJ

Substitute values in q=C×m×ΔT

1.850KJ=0.385J/gK×0

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