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CHEM 101-Straighterline Exam 1 questions and answers with real solutions.

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CHEM 101-Straighterline Exam 1 questions and answers with real solutions. A substance in which the atoms or molecules are free to move relative to one another. It always assumes the shape and volume of its container. - correct A substance in which the atoms or mol...

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  • March 3, 2024
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CHEM 101-Straighterline Exam 1 questions
and answers with real solutions.




A substance in which the atoms or molecules are free to move relative to one another. It
always assumes the shape and volume of its container. - correct answer.gas

A substance in which the atoms or molecules pack closer than a gas, but are still able to
freely move relative to one another. It exhibits a fixed volume, but not a fixed shape. -
correct answer.liquid

A substance in which the atoms or molecules are fixed at a specific position. It exhibits
a fixed volume and rigid shape. - correct answer.solid

A solid that has atoms and molecules in a repeatable pattern. - correct
answer.crystalline solid

A solid whose atoms or molecules are not arranged in a specific pattern. - correct
answer.amorphous solid

A substance does not vary its composition within the substance nor between samples of
the same substance. - correct answer.pure substance

A physical combination of substances in which each substance keeps its own physical
and chemical properties. - correct answer.mixture

A physical combination of substances of non-uniform composition. - correct
answer.heterogeneous mixture

, A physical combination of substances of uniform composition. - correct
answer.homogeneous mixture

A pure substance that cannot be broken into component parts. Examples include
helium, nitrogen, and oxygen. - correct answer.element

A pure substance made up of two or more elements. - correct answer.compound

A quantitative observation. - correct answer.measurement

Any division of a quantity that may be used in a measurement. - correct answer.unit

The SI unit for length. - correct answer.meter

The SI unit for time. - correct answer.second

The SI unit for mass. - correct answer.kilogram

The standard unit of measurement used to count atoms. - correct answer.mole

A unit system abbreviated as SI that is used by scientists. - correct answer.International
System of Units

A unit system of measurement used throughout the world. - correct answer.metric
system

A unit system of measurement mainly used in the United States. - correct
answer.english system

Changes the SI unit by a power of 10. - correct answer.prefix multiplier

An English temperature unit system used mainly in the United States. - correct
answer.fahrenheit

A combination of SI units. - correct answer.derived units

A metric temperature unit system used throughout the world. - correct answer.celsius

A derived unit defined as mass/volume. - correct answer.density

A property that does not depend on the amount of a substance. - correct
answer.intensive property

A property that depends on the amount of a substance. - correct answer.extensive
property

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