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Chemistry 1A > Unit 4 (Chemical Reactions) > Flashcards

Unit 4 (Chemical Reactions) Flashcards

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1
Q

What is Stoichiometry?

A

The relationship between the relative quantities of substances taking part in a reaction or forming a compound

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2
Q

What is the Actual Yield?

A

The amount of product that is actually produced by a chemical reaction

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3
Q

What is Theoretical Yield?

A

The amount of product that can be made in a chemical reaction based on the amount of limiting reactant

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4
Q

How do you find percent yield?

A

Actual yield / theoretical yield x 100%

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5
Q

What is a Solution?

A

A homogenous mixture of two or more substances

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6
Q

What is a Solute?

A

What is usually the smaller amount, dissolved in a solvent

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7
Q

What is Solvent?

A

Usually liquid, the larger amount of a substance in which the solute is dissolved

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8
Q

What is an Electrolyte?

A

A substance that, when dissolved in water, can conduct electricity.

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9
Q

What is a Non-Electrolyte?

A

A substance that, when dissolved in water, cannot conduct electricity

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10
Q

What is Dissociation?

A

When ionic compounds are dissolved in water, the anions and cations are separated from each other

ex) Na2S (aq) –> 2 Na (aq) + S (aq)

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11
Q

What is a Dilute Solution?

A

Solutions that have a small amount of solute compared to solvent

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12
Q

What is a Concentrated Solution?

A

Solutions that have a large amount of solute compared to solvent

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13
Q

What is the Dilution Formula?

A

M1 V1 = M2 V2

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14
Q

What is a Precipitation Reaction?

A

A reaction between two liquids or aqueous solutions that form a solid

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15
Q

What is a Double-Displacement Reaction?

A

Where the reactants are ionized in a solution and at least one product is a solid, gas, or stable molecular compound. The products are the reactants swapped

ex) AB + CD –> CB + AD

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16
Q

What is an Oxidation-Reduction (Redox) reaction?

A

Reactions in which electrons are transferred from one reactant to the other

17
Q

What is Oxidation?

A

The process of losing one or more electrons

18
Q

What is Reduction?

A

The process of gaining one or more electrons

19
Q

What is an Oxidizing Agent?

A

Reactions that gain electrons and are reduced

20
Q

What is a Reducing Agent?

A

Reactants that lose electrons and are oxidized

21
Q

What is an Oxidation State?

A

The numbers that are assigned to each element in a reaction. It’s the charge the atom would have in a molecule or ionic compound if electrons were completely transferred

Chemistry 1A (9 decks)

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