Laboratory Manual Chemistry in Context
Laboratory Manual Chemistry in Context
8th Edition
ISBN: 9780073518121
Author: American Chemical Society
Publisher: McGraw-Hill Education
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Chapter 5, Problem 1Q

In any language, water is the most abundant compound on the surface of the Earth.

  1. a. Explain the term compound and also why water is not an element.
  2. b. Draw the Lewis structure for water and explain why its shape is bent.

(a)

Expert Solution
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Interpretation Introduction

Interpretation:

The reason for water is not an element has to be explained.  Also, the term compound has to be explained.

Explanation of Solution

  • Water is a compound not an element because it has two hydrogens and one oxygen and the chemical formula is H2O.
  • Compound: It is a pure substance in which two or more different elements are combined in a fixed ratio with specific chemical characteristics.

(b)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The Lewis structure of water has to be drawn.  Also, the reason for bent shape of water has to be explained.

Concept Introduction:

Lewis structure: This is only way to show the sharing of electrons between atom in polar covalent bonds or covalent bond.  This is often called Lewis structure.  This structure denotes valence electrons of an atom by dots and also it shows the way of valence electron distributed within a molecule.

Explanation of Solution

The Lewis structure for water is drawn as,

Laboratory Manual Chemistry in Context, Chapter 5, Problem 1Q

Two nonbonding lone pairs of electrons on oxygen atom gives extra repulsion on two bond pair electrons between hydrogen and oxygen which makes water molecule to be in bent shape.  The bent shape allows electrons in water molecule to be placed without any congestion.

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Chapter 5 Solutions

Laboratory Manual Chemistry in Context

Ch. 5.8 - Prob. 5.19CTCh. 5.9 - Prob. 5.21YTCh. 5.9 - Prob. 5.22YTCh. 5.10 - Prob. 5.25CTCh. 5.10 - Prob. 5.26YTCh. 5.10 - Prob. 5.27CTCh. 5.11 - Prob. 5.28YTCh. 5.11 - Prob. 5.30CTCh. 5.11 - Prob. 5.31CTCh. 5.12 - Prob. 5.32SCCh. 5.12 - Prob. 5.33SCCh. 5.12 - Prob. 5.35YTCh. 5.12 - Prob. 5.36CTCh. 5 - In any language, water is the most abundant...Ch. 5 - Prob. 2QCh. 5 - Prob. 3QCh. 5 - Prob. 4QCh. 5 - The following are four pairs of atoms. Consult...Ch. 5 - Prob. 6QCh. 5 - Prob. 7QCh. 5 - Both methane (CH4) and water are compounds of...Ch. 5 - Prob. 9QCh. 5 - Prob. 10QCh. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Based on your experience, how soluble is each of...Ch. 5 - Prob. 14QCh. 5 - NaCl is an ionic compound, but SiCl4 is a...Ch. 5 - Prob. 16QCh. 5 - Prob. 17QCh. 5 - Prob. 18QCh. 5 - Prob. 19QCh. 5 - Prob. 20QCh. 5 - Prob. 21QCh. 5 - Prob. 22QCh. 5 - Prob. 23QCh. 5 - Prob. 24QCh. 5 - Prob. 25QCh. 5 - Prob. 26QCh. 5 - For a 2.5 M solution of Mg(NO3)2, what is the...Ch. 5 - Prob. 28QCh. 5 - Prob. 29QCh. 5 - Use the Internet to determine which has the higher...Ch. 5 - Prob. 31QCh. 5 - Prob. 32QCh. 5 - Prob. 33QCh. 5 - At the edge of a favorite fishing hole, a new sign...Ch. 5 - Prob. 35QCh. 5 - A diatomic molecule XY that contains a polar bond...Ch. 5 - Prob. 37QCh. 5 - Prob. 38QCh. 5 - Prob. 39QCh. 5 - Prob. 40QCh. 5 - The unusually high specific heat of water helps...Ch. 5 - Prob. 42QCh. 5 - Prob. 43QCh. 5 - Prob. 44QCh. 5 - Prob. 45QCh. 5 - Prob. 46QCh. 5 - In 2005, the Great LakesSt. Lawrence River Basin...Ch. 5 - Liquid CO2 has been used successfully for many...Ch. 5 - Prob. 49QCh. 5 - Prob. 51QCh. 5 - Prob. 52QCh. 5 - Hard water may contain Mg2+ and Ca2+ ions. The...Ch. 5 - Suppose you are in charge of regulating an...Ch. 5 - Prob. 55QCh. 5 - Prob. 56QCh. 5 - Prob. 57QCh. 5 - Prob. 58QCh. 5 - List a recent theme for World Water Day. Prepare a...
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