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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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ercise 10.4 A 2.8-g sample of pure metal requires 10.1 J of energy to change its temperature from 21 °C to 36 °C. What is this metal? (Use Table 10.1.)

Interpretation Introduction

Interpretation:

Metal should be identified according to given information.

Concept Introduction:

The formula used for calculate energy in joules is E=mcΔT.

Where, E = energy in joules.

m = mass of gold.

c = specific heat capacity of gold.

ΔT = change in temperature.

To identify the metal, specific heat capacity should be identified with the help of above formula.

Explanation

Given information:

Mass of metal = 2.8 g.

Energy in joules = 10.1 J.

Temperature ranges from 21 °C to 36 °C.

E=mcΔT

Rearrange the formula in terms of specific heat capacity, we get:

c =Em×ΔT (1)

ΔT (Temperature change) =

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