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Alle Oberthemen / Chemistry / Matter

Science (55 Karten)

Sag Danke
1
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Name 3 states of matter
Solid liquid gas
2
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has definite shape and volume
Solid
3
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Has definite shape but NO volume
Liquid
4
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Has no shape or definite volume
Gas
5
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Molecules are together and vibrate
SOlid
6
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Molecules have enrgy that allowd them to move around eachother
Liquid
7
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What is the law of conservation
Energy cannot be created or destroyed it just changes forms
8
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What happes to the temperature of a substance as it phase changes
temp stays the same
9
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What does a phase change look like??
starts at solid... goes flat.. changes to liquid... goes flat... gas
10
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When a liquid changes to a gas at the surface it is known as
Evaporation
11
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When liquid changes to a gas within the solution it is known as
VAporization
12
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Explain how the drinking bird works?
Alcohol absorbed heat. heat becomes heavy, as it cools bird falls back
13
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When a solution/mixture aabsorbs heart and is cool to the touch
Endothermic
14
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When a solution/mixture gives off hear and is warm to the touch
Exdothermic
15
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All matter is made up of tiny substances called ___ that are in constant motion
Atoms
16
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What is the kenetic theory q
Molecules are in constant motion
17
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WHat is a physical change ? give an example
Color shape smell.. changes the outside but its still the same chemical paper
18
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what is a chemical change? give an example
completely different then the original burning
19
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What is flammability? is it a chamical property
burning SLOWLY yes sulfur
20
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What is a combustibility? is this a chemical property
something burns quicklly-- explodes
21
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What is a physical property? give three expls
anything that describes
22
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what is visoscity? compare with water and maple syrup
ability ro flow
water-fast
syrup-slow
23
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What is an amporphic solid? Give 2 expls
solid that changes.. glass plastic wax
24
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What is a crystaline soloid? give examples
geometric shape
25
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why do the windows of pre-civil war have a wavy apperence to them??
amorphic
26
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Define the following solute solvent and solution
Solute-least of
Solvent- most of
Solution- Solute + Solvent = solu..
27
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a solution is said to be 75% concertrated what does this mean??
75% is water>
28
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If 15 grams of salt was added to 85ml of water what is the concentration of the salt?
15%
29
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What does supersaturated mean??
overful: add heat=crystals
30
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Contrast saturated and unsaturated
saturated- when it blends
unsaturated-  doesnt blend
31
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Contrast homogenouse to heterogenous
homo-looks alike
hetero-different
32
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What is chromotography
split apart pigments & recorded colors
33
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What is an element
pure substance cant be broken down
34
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What is a compund
2 or more elements-end with diff product- can break down
35
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a substance that can be hit without chattering is a physical property called??
Mallable
36
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__ is known as the universal solvent
Water
37
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Elecrically charged atoms produce this state of matter...its the hottest one and had most energy
Plasma
38
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When molecules come closer together its referred to as
condensing
39
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when molecules move further apart because of heat it is known as
Expanding
40
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tiny particles that make up matter
Atoms
41
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type of matter that had a definite shape and a definite volume?
Solid
42
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What happens to the speed of matter as it is heated
moves faster
43
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What diamond is made up of matter in which particles area arranged in a repeating geometric pattern called
Crystalline
44
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No definite volume or shape
Gas
45
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__ is any substance that had a mass and takes up volume
GAs
46
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when the miuxture seems to be the same throughout , cant destinguish between molecules
homogenous
47
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definite volume non shape
Liquid
48
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point when solid changes to a liquid
melting
49
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a phase change will occure when --- is affef or subtracted from an item
heat
50
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when molecules can be determind from one another
Heterogenous
51
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point when liquid goes to sokid
freezinfg
52
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latin term meaning color
Chromo
53
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4 states of matter highest to lowest
Solid liquid gas plasma
54
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what type of solid (glass) appears wavy? why?
Amorphic gravity
55
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Explain chromotography
heavier colors sit at the bottum lighter colors are moved to the top
Kartensatzinfo:
Autor: AlyJean
Oberthema: Chemistry
Thema: Matter
Veröffentlicht: 11.03.2010
 
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