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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 energy must have en applied to a block of aluminum weighing 42.7 g if the temperature of the block of aluminum increased by 15.2 °C? (See Table 10.1.)

Interpretation Introduction

Interpretation:

The energy required to raise the temperature of aluminium 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 aluminium block is 72.7 g and the temperature of the block of aluminium is increased by 15.2 C.

Calculation:

From table 10.1, the specific heat capacity of aluminium is 0.89 J/g C

The specific heat capacity can be calculated using the following equation:

Q=ms9

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