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Chemistry > Chapter 1 Test > Flashcards

Chapter 1 Test Flashcards

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1
Q

what are the three states of matter in order from lowest kinetic energy to highest kinetic energy

A

Solid, Liquid, Gas

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2
Q

is the sun matter or energy

A

Matter

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3
Q

is the sunlight matter or energy

A

Energy

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4
Q

is the earths atmosphere matter or energy

A

Matter

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5
Q

is a blue whale energy or matter

A

Matter

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6
Q

the heat in a sauna matter or energy

A

energy

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7
Q

is the steam coming off of the stove in a sauna matter or energy

A

energy

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8
Q

is your soul matter or energy

A

energy

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9
Q

is your memories matter or energy

A

energy

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10
Q

what are the 3 different categories that matter can be divided into?

A

solids, liquids and gasses

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11
Q

what is a phase change

A

a change in the state of matter of a substance

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12
Q

is energy absorbed or reased by you finger when you grab a hold of dry ice

A

absorbed

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13
Q

what is a mixture

A

2 or more elements or compounds in the same place but not chemically combined

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14
Q

is salt water a homogeneous or heterogeneous mixture

A

Homogeneous

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15
Q

is milk a homogeneous or heterogeneous mixture

A

homogeneous

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16
Q

is chunky beef stew homogeneous or heterogeneous mixture

A

heterogeneous

17
Q

what is chemistry

A

the study of matter and how it interacts, what it’s structure is and what properties it has

18
Q

explain how the property of a shape is different in the three states of matter

A

solids have a definite shape, keep their shape
Liquids shapes changes to fit its container
gasses have no true shape and they expand to fill their container

19
Q

would water be on mars be the same as the water on earth?

A

the water is the same no matter where it is located. if it is water it will have 2 hydrogens and 1 oxygens. water will always have those elements wherever they are.

20
Q

what is the difference a element and a compound

A

an element is the simplest form of matter while a compound is made up of specific elements chemically combined

21
Q

what is a mixture

A

2 or more elements or compounds in the same place but not chemically combined

22
Q

what are the 3 characteristics of compounds

A

1) the elements of a compound are always found in the same ratio
2) individual elements properties disappear when the compound is formed
3) compounds can be broken down into simplier substances or

23
Q

what two characteristics that matter must have

A

have mass and have volume

24
Q

what are intensive properties

A

they have the same in all sizes of a substance

25
Q

what are extensive properties

A

they depend on the amount of a sample

26
Q

what are some things that happen when it goes through a physical change

A

grinding, no new substance is formed, dissolving something

27
Q

what are some things that happen when it goes through a chemical change

A

a new substance is formed, a gas is produced, a precipitate forms, change in color, change in tempature, an order is produced

28
Q

what are happening to the water molecules and bonds when a pot of water is boiled

A

the water molecules will move faster and faster which will break the bonds between the water molecules

29
Q

how does the K.E change when you boil a pot of water

A

the kinetic energy increases when you add energy(heat the water)

30
Q

what is sublimation

A

when one state of matter gets skipped together

31
Q

what is kinetic energy

A

the energy produced from motion

32
Q

what is potential energy

A

energy that is available because of position or composition

33
Q

what is exothermic

A

what a change releases heat

34
Q

what is endothermic

A

when a change absorbs heat

Chemistry (4 decks)

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