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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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What quantity of heat is required to raise the temperature of 55.5 g of gold from 20 °C to 45 °C? (See Table 10.1.)

Interpretation Introduction

Interpretation:

The heat required to raise the temperature of gold should be calculated.

Concept Introduction:

The specific heat is defined as the amount of heat per unit mass needed to raise the temperature by one degree Celsius.

It is mathematically represented as follows:

Q=msΔT

Here, Q is heat, m is mass, s is specific heat capacity and ΔT is change in temperature.

Explanation

Given Information:

The mass of gold is 55.5 g, initial temperature is 20 C and final temperature is 45 C

Calculation:

From table 10.1, the specific heat capacity of gold is 0.13 J/g C

The heat required can be calculated using the following equation:

Q=msΔT

Or,

Q=ms

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