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SCIENCE > Chapter 5-Chemistry_Chemical Reactions > Flashcards

Chapter 5-Chemistry_Chemical Reactions Flashcards

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1
Q

Aqueous Solution

A

A solution of a substance dissolved in water

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2
Q

Balanced Equation

A

A chemical equation in which the number of each type of atom is the same on both sides of the equation

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3
Q

Chemical Equation

A

A short-hand notation that scientists use to communicate what happens during a chemical reaction

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4
Q

Formula Equation

A

A chemical equation where the reactants and products are identified by their chemical formulas

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5
Q

Law of Conservation of Mass

A

The law states that atoms cannot be created or destroyed during a chemical reaction

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6
Q

Product

A

A substance produced by a chemical reaction

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7
Q

Reactant

A

The initial substance of a chemical reaction

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8
Q

Word Equation

A

A chemical equation where the reactants and products are identified by their chemical names

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9
Q

Anion

A

A negatively charged ion

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10
Q

Carbon Reduction

A

A chemical process of separation of metals from their ores using carbon

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11
Q

Cation

A

A positively charged ion

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12
Q

Combination Reaction

A

A chemical reaction where two reactants combine to form one product

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13
Q

Combustion Reaction

A

Any chemical reaction where a substance burns in oxygen to produce heat and light

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14
Q

Decomposition Reaction

A

A chemical reaction where one reactant breaks apart in two or more products

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15
Q

Electrolysis

A

A technique for reducing the ions of highly reactive metals by using an electrical current to force electrons into the ions

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16
Q

Electrowinning

A

A process of extracting metals from solutions using electrolysis

17
Q

Froth Flotation

A

A physical process of separation of metals from their ores

18
Q

Insoluble

A

Does not dissolve

19
Q

Ion

A

An atom that has gained or lost electrons to become electrically charged

20
Q

Iconic Compound

A

A substance made up of positive and negative ions

21
Q

Oxidation

A

When a substance gains oxygen atoms or loses electrons

22
Q

Polyatomic

A

Having many atoms

23
Q

Precipitate

A

The insoluble product of a precipitation reaction

24
Q

Redox

A

An abbreviation for Oxidation and reduction pairs of reactions

25
Q

Reduction

A

When a substance loses oxygen atoms or gains electrons

26
Q

Soluble

A

Able to dissolve

27
Q

Smelting

A

A chemical method of extracting a metal from its ore in which the ore is heated with a reducing agent such as carbon

28
Q

Agitation

A

Stirring

29
Q

Catalysts

A

A chemical that helps to speed up a chemical reaction but is not used up during the Reaction

30
Q

Concentration

A

The amount of a chemical in a certain volume of water

31
Q

Enzyme

A

A natural occurring catalyst

32
Q

Rate of Reaction

A

How fast a chemical reaction proceeds

SCIENCE (5 decks)

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