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A main source of sulfur oxide pollutants are smelters

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 94P Chapter 7

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 94P

PROBLEM 94P

A main source of sulfur oxide pollutants are smelters where sulfide ores are converted into metals. The first step in this process is the reaction of the sulfide ore with oxygen in reactions such as:

(a) 2 PbS(s) + 3 O2(g) → 2 PbO(s) + 2 SO2(g)

Sulfur dioxide can then react with oxygen in air to form sulfur trioxide:

(b) 2 SO2(g) + O2(g) → 2 SO3(g)

Sulfur trioxide can then react with water from rain to form sulfuric acid that falls as acid rain:

(c) SO3(g) + H2O2(l) → H2SO4(aq)

Classify each of the preceding reactions (a, b, c) as a synthesis, decomposition, single-displacement, or double-displacement reaction.

Step-by-Step Solution:

Solution 94P

Here, we are going to classify the reactions given into synthesis, decomposition, single displacement and double displacement reactions.

Step 1:

Synthesis reactions are those in which two or more reactants react to give a single product.

Decomposition reactions are those in which a single reactant breaks down to give simpler products.

Single displacement reactions are those in which an element reacts with a compound and takes the place of another element in that compound.

Double displacement reactions are those in which there is an exchange of ions between the reactants are called double displacement reactions.

Step 2 of 2

Chapter 7, Problem 94P is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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