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Chemistry

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Jennings Hettinger

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4y ago
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Cards in this guide (15)
Which of the following describes a cytotoxic autoimmune reaction

Which of the following (what)?

What is the charge on the polyatomic ion cyanide

The charge on the polytomic ion cyanide is -1.

What is molarity pure water

the molarity of water is 55.5.

Which of the following is an example of a synthesis reaction

H2+Br2-->2HBr

Which method of drawing hydrocarbons is the fastest draw

The stick model method.

Which of the following would be useful for converting gmol to gL

molarity

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

Which of the following best describes spectator ions

(Apex) Ions that do not participate in the 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 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

What represents the mass of 1 molecule of sh2

34.1 amu

If a reaction starts with 4 Cu atoms 5 O atoms and 10 H atoms what is known about the products

The product will contain 4Cu atoms, 5 O atoms, and 10 H atoms.

Which o fthe following represents a physical change

Phase change - apex

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