Chapter 1: Introduction To Chemistry Test Questions – Flashcards
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matter
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Anything that has mass and takes up space
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Chemistry
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study of the composition of matter and the changes that matter undergoes
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What are the 5 traditional areas in chemistry?
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organic, inorganic, biochemistry, analytical, and physical chemistry
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Organic chemistry
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Study of all chemicals containing carbon
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Inorganic chemistry
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Study of chemicals that DON'T contain carbon
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Biochemistry
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The study of substances and processes occurring in living things
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Analytical chemistry
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the area of chemistry that focuses on the composition of matter
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Physical chemistry
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The area that deals with the mechanism, the rate, and the energy transfer that occurs when matter undergoes a change
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Pure chemistry
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the pursuit of chemical knowledge for its own sake
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Applied chemistry
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research that is directed toward a practical goal or application
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What are three general reasons to study chemistry?
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1.) Useful in explaining the natural world 2.) preparing people for career opportunities 3.) makes you an informed citizen
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technology
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means by which society provides for its members with those things needed and desired
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What are some outcomes of modern research in chemistry?
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modern research in chemistry can lead to technology that aim to benefit the environment, conserve and produce energy, improve human life, and expand our knowledge of the universe
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How did Lavoisier help to transform chemistry?
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From a science of observation to the science of measurement that's it today
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What are the steps in the scientific method?
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1.) making observations 2.) proposing & testing hypotheses 3.) conclusion 4.) developing theory
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scientific method
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A logical, systematic approach to the solution of a scientific problem
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observation
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Information obtained through the senses
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hypothesis
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proposed explanation for an observation
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experiment
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A procedure that tests if a hypothesis is true or false.
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independent variable
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The experimental factor that is manipulated; the variable whose effect is being studied.
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dependent variable
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The outcome factor; the variable that may change in response to manipulations of the independent variable.
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model
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representations of an object or event
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theory
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well tested explanation for a broad set of observations
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scientific law
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A concise statement that summarizes the results of many observations and experiments
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What role do collaboration and communication play in science?
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