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Honors Chemistry > Unit 5 Chemical Reactions > Flashcards

Unit 5 Chemical Reactions Flashcards

1
Q

The process where elements and/or compounds interact with one another to form new substances

A

Chemical reaction

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2
Q

An equation that uses chemical formulas and symbols to show the reactants and the products in a chemic reaction

A

Balanced Chemical equation

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3
Q

A reaction of at least two reactants that produce one product

A

Synthesis reaction

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4
Q

A reaction in which one compound is broken down into two or more products.

A

Decomposition reaction

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5
Q

A chemical reaction in which a free element replaces an ion in a compound

A

Single replacement reaction

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6
Q

A chemical reaction where to compounds change partners

A

Double replacement reaction

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7
Q

A reaction in which energy is transferred to the reactants from the surroundings usually in the form of heat energy is absorbed feels cooler

A

Endothermic reaction

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8
Q

A reaction that transfers energy from the reactants to the surroundings usually As heat energy is released feels warmer

A

Exothermic reaction

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9
Q

A substance that changes the rate of a chemical reactions without being consumed or changed itself

A

Catalyst

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10
Q

A solid product that is created during a chemical reaction

A

Precipitate

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11
Q

A short hand notation for a compound or element using chemical symbols and numbers

A

Chemical formula

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12
Q

A short hand description of the chemical formulas and symbols in a reaction

A

Chemical equation

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13
Q

The starting materials in a chemical reaction

A

Reactants

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14
Q

The substances formed from a chemical reaction

A

Products

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15
Q

A number placed in front of the chemical formulas in a reaction to balance the number of atoms on both sides

A

Coefficient

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16
Q

A law that states that mass is neither created nor destroyed in ordinary chemical and physical changes

A

Law of conservation of mass

17
Q

The minimum amount of energy need it for substances to react

A

Activation energy

18
Q

The law that states that energy is neither created nor destroyed

A

Law of conservation of energy

19
Q

A substance that slows down or stops a chemical reaction

A

Inhibitor

Honors Chemistry (1 decks)

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