Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN: 9781337399425
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Chapter 10.6, Problem 10.5SC
Interpretation Introduction

Interpretation:

The amount of heat which is released when 1.00 g of Fe(s) is reacted with excess O2(g) should be calculated.

Concept Introduction:

Number of moles is equal to the ratio of given mass to the molar mass.

The mathematical expression is given by:

Number of moles = given massmolar mass

Now, according to the reaction, 1652 kJ heat is released when 4 moles of Fe reacts, thus by determining the number of moles of 1.00 g of iron and then multiply the number of moles of iron by heat released per four moles of iron. Hence, one can get the heat released when one mole of iron reacts.

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Introductory Chemistry: A Foundation

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