Chem 103 Exam 1 Questions and Answers
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Practice questions for this set
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substances that ionize in aqueous solution to form Hydrogen ions.
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1 Matter 2 law of constant composition
3 acids 4 molecules
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Terms in this set (120)
The physical material of the universe; it is anything
Matter
that has mass and occupies space.
, any characteristic that allows us to recognize a
property particular type of matter and to distinguish it from
other types.
over 100 varieties of matter that combines to form
elements everything in the world. Substances that can not be
decomposed for any reason.
atoms the infinitesimally small building block of matter.
molecules two or more atoms joined together in specific shapes.
states of matter a sample of matter that is either a gas, liquid, or solid.
a distinct volume dependence, yet has no specific
liquid
shape.
solid definite shape and volume
gas no fixed volume, and conforms in shape.
matter that has distinct properties and and structure
pure substances
that does not vary.
Compounds substances composed of two or more elements.
combinations of two or more substances, each
Mixtures
substance maintains its chemical identity.
law of constant (law of definite proportions) notes that elemental
composition composition of a compound is always the same.
when substances disolve in water to form
solutions
homogeneous mixtures.
observation of substance withough changing identity,
physical properties
composition (color, odor, density, melting point, ect)
Chemical properties the way a substance may change/react. (flammability)
intensive properties properties such as as a substance's melting point.
extensive properties amount of a sample, such as mass and volume.
a substance changes its appearance but NOT its
physical change
composition.
Save
Practice questions for this set
Learn 1 /7 Study with Learn
substances that ionize in aqueous solution to form Hydrogen ions.
Choose an answer
1 Matter 2 law of constant composition
3 acids 4 molecules
Don't know?
Terms in this set (120)
The physical material of the universe; it is anything
Matter
that has mass and occupies space.
, any characteristic that allows us to recognize a
property particular type of matter and to distinguish it from
other types.
over 100 varieties of matter that combines to form
elements everything in the world. Substances that can not be
decomposed for any reason.
atoms the infinitesimally small building block of matter.
molecules two or more atoms joined together in specific shapes.
states of matter a sample of matter that is either a gas, liquid, or solid.
a distinct volume dependence, yet has no specific
liquid
shape.
solid definite shape and volume
gas no fixed volume, and conforms in shape.
matter that has distinct properties and and structure
pure substances
that does not vary.
Compounds substances composed of two or more elements.
combinations of two or more substances, each
Mixtures
substance maintains its chemical identity.
law of constant (law of definite proportions) notes that elemental
composition composition of a compound is always the same.
when substances disolve in water to form
solutions
homogeneous mixtures.
observation of substance withough changing identity,
physical properties
composition (color, odor, density, melting point, ect)
Chemical properties the way a substance may change/react. (flammability)
intensive properties properties such as as a substance's melting point.
extensive properties amount of a sample, such as mass and volume.
a substance changes its appearance but NOT its
physical change
composition.
