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Honors Chemistry > Endo/Exo > Flashcards

Endo/Exo Flashcards

1
Q

Elements

A

Elements consist of a single atom

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2
Q

Compounds

A

Compounds consist of multiple atoms

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3
Q

Mixtures

A

Mixtures consist of multiple elements

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4
Q

Heterogenous Mixtures

A

Mixtures that contain visibly different parts

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5
Q

Homogenous Mixtures

A

Mixtures that do not contain visibly different parts

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6
Q

Examples of a Heterogenous Mixture

A

Salad
Cinnamon and Sugar
Trail Mix

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7
Q

Examples of Homogenous Mixture

A

Salt Water
Milk
KoolAid
Sprite

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8
Q

Formation of a Compound is caused by…

A

A Chemical Reaction

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9
Q

Formation of a Mixture is caused by…

A

Mixing of the Ingredients

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10
Q

Entropy

A

Measurement of amount of disorder/chaos in a system.

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11
Q

Endothermic Reaction

A

A chemical reaction that absorbs heat and has a positive change in enthalpy

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12
Q

Exothermic Reaction

A

A chemical reaction that releases heat and has a negative change in enthalpy

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13
Q

Reaction Diagram

A

Describes the movement of energy in the system

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14
Q

The Law of Conservation of Energy

A

Energy is neither created or destroyed

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15
Q

Enthalpy of a system

A

the heat content of a system at constant pressure

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16
Q

kinetic energy

A

energy of an object in motion

17
Q

potential energy

A

energy an object has based on its position

18
Q

Enthalpy

A

the measure of the internal energy of a thermodynamic system. Also known as the heat of the Reaction.

19
Q

Matter

A

anything that has mass and volume (takes up space)

20
Q

All natter is compsed of what?

A

atoms

21
Q

Matter can be classified as a … or…

A

pure substance or mixture

22
Q

subscript

A

shows how many of each element (H2O)

Honors Chemistry (1 decks)

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