Exam 1: The Science of Chemistry

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Indicate whether each of the following statements is true or false. - The validity of a hypothesis is dependent upon it randomly predicting the outcome of yet untried experiments.

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False

Explain the difference between: -A theory and a law

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A theory is a statement based on extensive experimentation and a law is a statement that has not been disproven before.

Indicate whether each statement is a -Smoking cigarettes is detrimental to your health

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A researcher studied the relationship between the wavelength and the frequency of light. Experiment 1: If the wavelength of light was 0.50 meter, the frequency was 6 × 108 hertz. Experiment 2: If the wavelength of light was 1.0 meter, the frequency was 3 × 108 hertz. From this data one can generalize that as the wavelength of light decreases

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A statement that is obvious to anyone and based on direct experience is called a ________.

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A formal course in chemistry is essential and fascinating because it helps us ________.

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The subdiscipline of chemistry that studies fundamental laws and concepts of chemistry is ________.

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Indicate whether each of the following statements represents a fact, a scientific law, or a hypothesis. -The reddish-brown gas occupied a volume of 25.9 liters.

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Identify whether each of the following statements is a theory, hypothesis, observation or law. -My watch is no longer keeping correct time so my watch battery must be dead.

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Which of the following subdisciplines of science is not a physical science?

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A theory is ________.

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When the scientific method is applied to a problem, a set of procedures is followed to acquire knowledge and explain phenomena. The procedural steps associated with the scientific method normally occur in the order ________.

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Classify the following as representing -The vial contains a brown liquid.

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Match the definitions below with the terms at the bottom. -________ Tentative model or picture that offers an explanation for the behavior of a system

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Indicate whether each of the following statements represents -The gas in the container was reddish-brown in color.

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A set of procedures used to acquire knowledge and explain phenomena is ________.

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Identify whether each of the following statements is a theory, hypothesis, observation or law. -My brother wears green a lot.

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Classify the following as representing -The package of peanuts contains about 100 peanuts

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A valid observation about some natural phenomenon is called ________.

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Which procedural step comes first in the scientific method?

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