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40 Cards in this Set
- Front
- Back
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the study of composition, structure, properties of matter, and the changes it undergoes
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Chemistry
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Personal Protective Equipment
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PPE
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used to flush chemicals off of body
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saftey shower
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flush chemicals that have been splashed in the eyes
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eye wash
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device common to chemistry labs designed to keep hazardous fumes out of he room air by exhausting them out of the building before anyone can potentially breathe them
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fume hood
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gloves used to protect hands from chemicals that are corrosive
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nitrile gloves
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used to protect eyes during a lab
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goggles
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electronic stove used to heat glass in lab
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hot plate
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collection of supplies and equipmentused to help in emergency
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first aid kit
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manually operated device for extenguishing fires
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fire extenguisher
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used to smother flames that may have been ignited; made from wool and flame reisstant material
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fire blanket
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notfies you if there is a fire
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fire alarm
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what you yell when there is an emergency
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code one
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A change in which the physical form (or state) of a substance, but not its composition, is altered.
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Physical Changes
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Any property of a substance that can be observed without transforming the substance into some other substance.
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Physical Properties
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A change in which a substance is converted into a substance with different composition and properties.
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Chemical Changes
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Any property of a substance that cannot be studied without converting the substance into some other substance.
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Chemical Properties
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the ratio of mass to volume
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density
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the variable which is manipulated
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Independent variable
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the variable which depends on the independent variable
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Dependent Variable
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a value calculated by subracting the expeiremental vamule from the accepted value, dividing the difference by the accepted value, and then multiplying it by 100
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Percent Error
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the amount of space occupied by an object
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Volume
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a unit that is a combination of SI base units
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derived Unit
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the closeness of measurements to the correct or accepted value of the quantity measured
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Accuracy
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the closeness of a set of measurements of te same quantity made in the same way
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precision
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measure of amount of matter
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mass
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any digit in a measurement that is known with certainty plus one final digit, which is somewhat uncertain or is estimated
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signifigant figures
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the measurement system accepted world wide
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SI units
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numbers written in the form of Mx10^n where the factor M represents a number greater than or equal to 1 but less than 10 and n is a whole number
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scientific notation
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A ration derived from the equality between two different units that can be used to convert from one unit to another
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conversion factors
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smallest unit of matter that retians the property of the element; anything on the periodic table is an ______(118)
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Atom
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atoms with the same properties; anything is an ___________ on the periodic table
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Element
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any substance composed of 2 or more atoms; elements and non-metals are ____________
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Compound
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a blend of two or more types of matter, each which retains its own identity and properties
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Mixture
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a substance that has a ficed composition and differs from a mixture in that every sample of a given pure substance has exactly that same characteristic properties and composition
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Pure Substance
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carried out for the sake of increasing knowledge, sch as why or how a specific reaction occurs and what the properties of a substance are
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basic research
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caried out to solve a problem
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applied research
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production and use of products tat improve quality of life
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technological development
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depend on the amount of matter that is present
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Extensive properties
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do not depend on the amount of matter that is present
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intensive properties
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