Exam 1: What Is Chemistry
Exam 1: What Is Chemistry85 Questions
Exam 2: Measurements88 Questions
Exam 3: Atoms, Molecules, and Ions100 Questions
Exam 4: Chemical Reactions and Equations98 Questions
Exam 5: Stoichiometry and the Mole88 Questions
Exam 6: Gases94 Questions
Exam 7: Energy and Chemistry96 Questions
Exam 8: Electronic Structure100 Questions
Exam 9: Chemical Bonds96 Questions
Exam 10: Solids and Liquids98 Questions
Exam 11: Solutions80 Questions
Exam 12: Acids and Bases97 Questions
Exam 13: Chemical Equilibrium99 Questions
Exam 14: Oxidation and Reduction104 Questions
Exam 15: Nuclear Chemistry85 Questions
Exam 16: Organic Chemistry94 Questions
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Physical properties are characteristics of matter that describe how matter changes form in the presence of other matter.
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False
Which of the following is not classified as matter?
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Correct Answer:
D
What is a theory? Provide an example.
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A theory is a general statement that explains a large number of observations. "All matter is composed of atoms" is a general statement, a theory, which explains many observations in chemistry.
A compound's physical and chemical properties are different than the physical and chemical properties of its constituent elements.
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Science is the process of knowing about the natural universe through observation and experiment.
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A(n) _____ refers to a substance that cannot be broken down into simpler chemical substances by ordinary chemical means.
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A combination of two or more substances that is so intimately mixed that the mixture behaves as a single substance is called a(n) _____.
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A physical change occurs when a sample of matter changes one or more of its physical properties.
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From the following, which is not an example of a chemical change? Be sure to explain your reasoning.
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_____ is the process of knowing about the natural universe through observation and experiment.
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A sample of matter that has the same physical and chemical properties throughout is called a _____.
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Which of the following is an example of a heterogeneous mixture?
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Carbonated water, before it is opened, is an example of heterogeneous mixtures.
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Physics and astronomy are scientific fields concerned with the fundamental interactions between matter and energy.
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