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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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. The “Chemistry in Focus” segment Water-Powered Fireplace discusses a fireplace that uses the electrolysis of water to produce hydrogen gas. Write the balanced chemical equation for the electrolysis of water. Which element in water is oxidized? Which is reduced? Find the oxidation states to answer these questions. Also, how is heat generated by the fireplace?

Interpretation Introduction

Interpretation:

Balanced equation for electrolysis of water should be written. Which elements are oxidized and reduced should be identified. How heat is generated by the fire place should be discussed.

Concept Introduction:

Electrolysis is use of direct electric current to drive a non-spontaneous chemical reaction. For example, water is very stable compound which does not spontaneously break down into hydrogen or oxygen. But water can be broken down into its elements by using an electric current.

Explanation

Oxidation state of hydrogen in water is +1. And it has reduced in to zero oxidation state. Oxidation state of oxygen in water is 2. It has oxidized in to zero oxidation state

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