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Chapter 1
N/A
8
Chemistry
Undergraduate 1
01/11/2012

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Cards

Term
Mass
Definition
Measure of the amt of material in an object
Term
temperature
Definition
measure of hotness or coldness of an object. a physical property that determines the direction of heat flow.
Term
density
Definition
the amt of mass in a unit volume of a substance
Term
weight
Definition
of an object is the force that is exerted on its mass by gravity
Term
exact #s
Definition
values are known exactly
Term
inexact numbers
Definition
values have some uncertainties. numbers obtained by measurement. (equipment/inherent error, human error)
Term
precision
Definition
measure how closely individual measurement agree with one another
Term
accuracy
Definition
refers to how closely an individual measurement agree with the correct or true value
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