Chemistry 1110 Chapter 1 Exam with Questions and Answers
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Chem 1110
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Chem 1110
Chemistry 1110 Chapter 1 Exam with Questions and Answers
Define theory. ANSWER A theory is a well-tested explanation of the behavior of nature.
Define weight. ANSWER Weight refers to the force with which the object is attracted by gravity.
Define elements. ANSWER Substances that cannot be ...
chemistry 1110 chapter 1 exam with questions and a
what are the two examples of pure substances
define a physical property
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Chemistry 1110 Chapter 1 Exam with Questions and Answers
Define theory. ANSWER A theory is a well-tested explanation of the behavior of nature.
Define weight. ANSWER Weight refers to the force with which the object is attracted by gravity.
Define elements. ANSWER Substances that cannot be decomposed into simpler materials by chemical reactions are called elements
What are the two examples of pure substances? ANSWER Elements and compounds are examples of pure substances.
Mixtures have [consistent/variable] composition. ANSWER Variable
Differentiate between heterogeneous and homogeneous mixtures. ANSWER A homogeneous
mixture has the same properties throughout the sample. A heterogeneous mixture consists of two or more regions, called phases, that differ in properties.
Another name for a homogeneous mixture is a... ANSWER Solution
Define a physical property. ANSWER A physical property is one that can be observed without changing the chemical makeup of a substance.
Define a chemical property. ANSWER A chemical property describes how a substance undergoes a chemical change (chemical reaction).
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