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Chemistry > Chemistry Terms Ch 4 > Flashcards

Chemistry Terms Ch 4 Flashcards

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0
Q

Chemical equation

A

A symbolic representation of a chemical reaction

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1
Q

Reactants

A

The substance that react

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2
Q

Product’s

A

Substances produced in a reaction

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3
Q

Law of conservation of mass

A

Adams are not created or destroyed in chemical reactions, only rearranged.

The sum of the masses of the products is always equal to the sum of the masses of the reactants

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4
Q

(l) In a formula =

A

Liquid

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5
Q

(s) =

A

Solid

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6
Q

(g) =

A

Gas

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7
Q

(aq) =

A

Aqueous (water) solution. In a water solution

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8
Q

Stoichiometry

A

To measure elements

The Numerical relationship between elements and compounds

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9
Q

Chemical equation

A

Symbolic representation of a chemical reaction

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10
Q

What are the seven diatomic elements

A

H, N, O, F, Cl, Br, I.

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11
Q

Combination reaction or

synthesis reaction

A

A reaction in which two or more substances chemically combined to form a new substance. Just one product

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12
Q

Synthesis reaction formula

A

A + B —-> AB

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13
Q

Decomposition reaction

A

Involves the breakdown of a single reactant compound into two or more simple substances either elements or compounds

AB —> A+B

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14
Q

Electrolysis

A

Decomposition due to electrical current

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15
Q

Thermal decomposition

A

Decomposition due to heat

16
Q

Single displacement reactions

A

The Involvement of replacing one element in a compound with another

A + BC —-> AC + B

17
Q

What are the names of the reactions when he is either released or absorbed

A

Endothermic exothermic Reactions

18
Q

What are the four types of reactions that produce different types of combinations of atoms

A

Combinatio,n decomposition, single displacement and double displacement

19
Q

Synthesis

A

To combined

20
Q

Limited reactant

A

The reaction that determines how much product is formed

21
Q

Decant

A

To pour off excess liquid and leave only the precipitant

22
Q

What is an acetone rinse

A

It helps to evaporate the water

23
Q

Spectator ions

A

Ions that refuse to react

24
Q

Net ion equations

A

An equation that is left over after removing all the spectator ions

25
Q

Single displacement reaction

A

AB + C —> AC + B

26
Q

Double displacement

A

AB + CD. —->. AC + BD

27
Q

Gravimetric analysis

A

Analyzing the reaction product’s on the basis of mass

28
Q

The law of conservation of mass

A

The total mass of the products of a reaction is equal to the total mass of the reactants of the Reaction

Chemistry (11 decks)

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