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Chemistry

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Dahlia Hagenes

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4y ago
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Cards in this guide (15)
What is the charge on the polyatomic ion cyanide

The charge on the polytomic ion cyanide is -1.

What kind of information do unit conversions give

unit conversions give an equal amount but with other units

Which method of drawing hydrocarbons is the fastest draw

The stick model method.

Why are a molecules atoms as far away from each other as they can get

Forces between electron pairs push the atoms apart.

What is a bond formed between two unlike atoms

The type of bond is determined by the difference in electrongativity of atoms

Why are state symbols used in chemical equations

They identify what phase the substances are in

-Apex

What reaction shows a compound breaking apart into separate substances

Decomposition reaction

What is the best definition of a physical change

Answer this question… Which of the following is the best definition of a physical change?

What two categories in chemicals are based on carbon content

Two categories of chemicals are based on carbon ?

What is the complete ionic equation for h2so4aq cai2aq caso4s 2hiaq

For Apex: 2H+ + SO42- + Ca2+ +2I- -> CaSO4 + 2H+ + 2I-

What is a following is a decomposition reaction

CaCO3 -> CaO + CO2

When would dipole dipole be significant

Dipole-dipole forces play a significant role when a molecule is polar.

Where are all the products of a hydrocarbon combustion reaction

The products of the hydrocarbon combustion are water and carbon dioxide.

Best describes where cellular respiration occurs

In every body cell -apex

Which o fthe following represents a physical change

Phase change - apex

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