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Chem 161 Exam 1 2024/25; Questions and Answers 100% Solved $13.49   Add to cart

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Chem 161 Exam 1 2024/25; Questions and Answers 100% Solved

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Chem 161 Exam 1 2024/25; Questions and Answers 100% Solved scientific theory explains how/why. based on observations/experiments, makes testable predictions, changes over time based on new evidence, can be falsifiable scientific law predicts what happens intensive property indepe...

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  • August 24, 2024
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  • Chem 161
  • Chem 161
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Chem 161 Exam 1 2024/25; Questions and
Answers 100% Solved


scientific theory


explains how/why. based on observations/experiments, makes testable

predictions, changes over time based on new evidence, can be falsifiable




scientific law predicts what happens




intensive property


independent of the amount of substance present (color, odor, maleability,

density)




extensive property


depends upon amount of substance you have (mass, length, volume)




physical property

, Chem 161 Exam 1 2024/25; Questions and
Answers 100% Solved
A characteristic of a pure substance that can be observed without changing it

into another substance (physical state, boiling point, color, smell)




chemical property


A characteristic of a pure substance involving its chemical change (ability to

react with oxygen, ability to react with water)




mixtures


RATED A+




material that can be separated by physical means into two or more substances

(bronze, salt water)




physical change


change in the form of matter but not in its chem identity

, Chem 161 Exam 1 2024/25; Questions and
Answers 100% Solved
(boiling, melting, dissolving)




chemical change


equals chem reaction, change in which one or more kinds of matter are

transformed into a new kind of matter or multiple new kinds of matter (rust,

photosynthesis, digestion)




compound


substance composed of characteristic proportions of two or


more elements chemically bonded together




heat


transfer of energy from one object to another due to a difference in

temperature

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