VDLHS Honors Chemistry Unit 4

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11 Terms

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observable and measurable

What are physical properties?

2
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reacts, different chemical

What are chemical properties?

describes how a substance _____ or becomes a _____ ______

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same, different, reversible

What are physical changes?

____ substance, ___ form; often _____

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rearranging, new

What are chemical changes?

______ parts of a substance to get a ____ substance

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a A + b B → c C + d D

General form of chemical equations:

_ __ + _ __ → __ __ + __ ___

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reactants

Left side of chemical equations are _____

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products

Right side of chemical equations are ____

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chemicals

Uppercase letters in chemical equations are _____

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coefficients

Lowercase letters in chemical equations are ____

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Mass cannot be created or destroyed; however, it can be rearranged to form new compounds

Law of Conservation of Mass:

Mass ____ be ____ or ______; however, it can be _____ to form new _____

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law of conservation of mass

We balance chemical equations to show law of _____ of ____