Concept explainers
Interpretation:
The unknown compound based on its physical properties.
Concept introduction:
A physical property describes the physical changes of a substance. Physical change is a temporary change; it is a reversible change. For example, color, mass, volume, etc. Physical properties (such as boiling point, density) are fixed for any substances.
Answer to Problem 41A
Sucrose decomposes before its boiling point. So, the unknown compound is sucrose.
Explanation of Solution
The known table is:
Physical properties of Common Substances | |||
Substance | Color | State at |
Boiling point ( |
Oxygen | Colorless | Gas | |
Water | Colorless | Liquid | |
Sucrose | White | Solid | Decompose |
Sodium chloride | White | Solid |
The temp at which vapor pressure of a liquid equals (similar in quantity) the external pressure or atmospheric pressure is defined as boiling point.
From the given table, only two compounds that are solid and white. Also, the table shows that sucrose decomposes before a boiling point. So, the unknown compound is sucrose.
The unknown compound is sucrose.
Chapter 3 Solutions
Chemistry: Matter and Change
Additional Science Textbook Solutions
Chemistry: Structure and Properties
Chemistry: The Central Science (14th Edition)
CHEMISTRY-TEXT
Organic Chemistry (9th Edition)
Introductory Chemistry (5th Edition) (Standalone Book)
Chemistry: A Molecular Approach (4th Edition)
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