CHEM 111 ACS Final 198 Questions with Verified Answers,100% CORRECT
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Course
CHEM 111 ACS
Institution
CHEM 111 ACS
CHEM 111 ACS Final 198 Questions with Verified Answers
Chemistry - CORRECT ANSWER the study of matter and how it changes
matter - CORRECT ANSWER Anything that has mass and takes up space
elements - CORRECT ANSWER molecules composed of one kind of atom; cannot be broken into simpler units b...
CHEM 111 ACS Final 198 Questions with Verified Answers
Chemistry - CORRECT ANSWER the study of matter and how it changes
matter - CORRECT ANSWER Anything that has mass and takes up space
elements - CORRECT ANSWER molecules composed of one kind of atom; cannot
be broken into simpler units by chemical reactions.
atoms - CORRECT ANSWER The basic building blocks of matter
property - CORRECT ANSWER A characteristic that defines the value, appearance,
and/or state of an object.
molecule - CORRECT ANSWER A group of atoms bonded together
gas - CORRECT ANSWER A state of matter with no definite shape or volume
liquid - CORRECT ANSWER A state of matter that has a definite volume but no
definite shape.
solid - CORRECT ANSWER A form of matter that has a definite shape and volume
states of matter - CORRECT ANSWER The physical forms of matter, which include
solid, liquid, and gas
pure substance - CORRECT ANSWER A sample of matter, either a single element
or a single compound, that has definite chemical and physical properties
compounds - CORRECT ANSWER 2 or more elements chemically combined
law of constant composition - CORRECT ANSWER In any given compound of any
given amount, the elements will always be found in the same proportions by
mass. (law of definite proportions)
, mixtures - CORRECT ANSWER 2 or more components physically combined
together; atoms and molecules don't change as there is no chemical bonding. Can
separate out the components.
heterogeneous mixture - CORRECT ANSWER A mixture that is not uniform in
composition; components are not evenly distributed throughout the mixture
homogeneous mixture - CORRECT ANSWER A mixture in which substances are
evenly distributed throughout the mixture
mixture - CORRECT ANSWER A combination of two or more substances that are
not chemically combined
physical properties - CORRECT ANSWER Characteristics of matter that can be seen
through direct observation such as density, melting point, and boiling point.
chemical properties - CORRECT ANSWER Describe the way a substance may
change, or react, to form other substances. (Ex: Flammability)
chemical change - CORRECT ANSWER A change in matter that produces one or
more new substances
physical change - CORRECT ANSWER A change in a substance that does not
involve a change in the identity of the substance
state change - CORRECT ANSWER When matter changes from one state to
another
intensive property - CORRECT ANSWER A property that does not depend on the
amount of matter present, such as pressure, temperature, or density.
extensive property - CORRECT ANSWER A physical property, such as mass, length,
and volume, that is dependent upon the amount of substance present.
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