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CHEM 101 - Exam 1 Study Guide (Ch. 1-3) Questions And Answers Rated A+. $12.99   Add to cart

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CHEM 101 - Exam 1 Study Guide (Ch. 1-3) Questions And Answers Rated A+.

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CHEM 101 - Exam 1 Study Guide (Ch. 1-3) Questions And Answers Rated A+. chemistry - correct answer. the study of matter and the changes it undergoes scientific method - correct answer. a systematic approach to research qualitative data - correct answer. general observation...

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  • September 27, 2024
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CHEM 101 - Exam 1 Study Guide (Ch. 1-3)
Questions And Answers Rated A+.


chemistry - correct answer. the study of matter and the changes it undergoes

scientific method - correct answer. a systematic approach to research

qualitative data - correct answer. general observations

quantitative data - correct answer. comprising of numbers obtained by measurement

hypothesis - correct answer. a tentative explanation for a set of observations

law - correct answer. a mathematical relationship that is consistently found to be true

theory - correct answer. a general principle or body of principles that has been
developed to explain a wide variety of phenomena (this is NOT a wild guess)

two major goals of science - correct answer. prediction and control

two "better" goals of science - correct answer. understanding and explanation

four basic rules of good science - correct answer. 1. results should be reproducible by
others
2. detailed research results should be reviewable
3. conclusions should be reasonable and unbiased
4. "give credit when credit is due"

physics - correct answer. chemistry in motion

, biology - correct answer. chemistry in a cell

engineering - correct answer. chemistry in application

matter - correct answer. anything that occupies volume and has mass

matter is governed by... - correct answer. composition and energy

mixture - correct answer. a combination of two or more substances in which the
substances retain their distinct identities

homogeneous mixture - correct answer. composition of the mixture is the same
throughout

heterogeneous mixture - correct answer. composition of the mixture is not uniform
throughout

mixture separation - correct answer. physical means can be used to separate a
mixture into its pure components

element - correct answer. a substance that cannot be separated into simpler
substances by chemical means

number of elements defined - correct answer. 114

number of elements that naturally occur on earth - correct answer. 82

number of elements been created by scientists - correct answer. 32

compound - correct answer. a substance composed of atoms of two or more elements
chemically united in fixed proportions

compound separation - correct answer. compounds can only be separated into their
pure components (elements) by chemical means

physical property - correct answer. properties that can be observed and measured
without changing the composition of the substance (color, density, conductivity, etc.)

chemical property - correct answer. properties that are only observable during a
chemical change (combustibility, food digestion...)

extensive property - correct answer. a property that depends upon how much matter
is being considered (mass, length, volume)

intensive property - correct answer. a property that does not depend upon how much
matter is being considered (density, temperature, color)

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