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Chapter 3

INTRO TO COLLEGE CHEMISTRY-CHM 2025
PROF. LONGMIRE-PEREZ, M.S.
Across
A final substance produced in a chemical reaction represented on the right side of a chemical equation.
A type of solid matter where atoms or molecules do not have long-range order.
A measure of thermal energy in a sample of matter.
Describes a process that absorbs heat energy.
Anything that occupies space and has mass.
A change where matter does not change its composition.
Tending to vaporize easily.
The process where one or more substances transform into different substances.
A law stating that energy can be neither created nor destroyed.
The smallest identifiable unit of an element.
Energy associated with motion.
A substance composed of two or more different types of atoms or molecules combined in variable proportions.
Two or more atoms joined in a specific arrangement by chemical bonds; the smallest identifiable unit of a molecular compound.
State of matter where atoms of molecules are widely separated and free to move relative to one another.
Down
A substance composed of two or more elements in fixed, definite proportions.
A substance that cannot be broken down into simpler substances.
The heat capacity of a substance in J/g°C.
Energy associated with position.
A mixture that has two or more regions with different compositions.
A type of solid matter with atoms or molecules arranged in a well-ordered, 3D array with long-range, repeating order.
A state of matter where atoms or molecules are packed close to each other in fixed locations.
An initial substance in a chemical reaction represented on the left side of a chemical equation.
A mixture that has the same composition throughout.
Describes a process that released heat energy.
A state of matter where atoms or molecules are packed close to each other, but are free to move around and by each other.
The transfer or exchange of thermal energy caused by a temperature difference.