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Elements of Chemistry Sec. 1-4 Flashcards | StudBud
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Elements of Chemistry Sec. 1-4
Elements of Chemistry Sec. 1-4
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Ch 17: Elements of Chemistry Conceptual Physical Science. 2nd Ed Hewitt
Flashcards
26 cards
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Questions
26
Answers
1
The transformation from a solid to a liquid
freezing
evaporation/boiling
melting
condensation
2
Matter that has a definite volume and a definite shape
plasma
gas
liquid
solid
3
What happens to the chemical identity of a substances during a physical change?
nothing - it stays the same
we don't know
it breaks down into simpler chemicals
it combines into a more complex chemical
4
A change in which the atoms of one or more substances are rearranged into one or more new
physical change
physical reaction
chemical reaction
chemical change
5
The force of attraction between two atoms that holds them together is called
submicroscopic
chemical bond
molecule
chemical change
6
Matter that has neither definite volume nor definite shape; always filling any space available
solid
liquid
gas
plasma
7
Chemistry is often called the _ because it touches almost all of the other sciences.
cramm science
crazy science
central science
circle science
8
The Chemical Manufacturers Association pledge inthe Resposible care program says to manufacture
at a better quality
without over spending
without causing environmental damage
without raising costs
9
The transformation from a liquid to a solid
deposition
condensation
sublimation
freezing
10
A physical attribute of a substance, like color, density, volume, shape, or hardness.
physical property
chemical property
chemical change
physical change
11
Matter that has a definite volume but NO definite shape; takes the shape of the container
plasma
liquid
gas
solid
12
research that focuses on developing applications built upon principles thathave been discovered
basic research
applied research
13
The transformation from a solid to a gas
condensation
deposition
evaporation
sublimation
14
The amount of ENERGY required to change any substance from liquid to gas
physical change
heat of fusion
boiling
heat of vaporization
15
The amount of ENERGY required to change any substance from solid to a liquid
physical change
heat of fusion
heat of vaporization
melting
16
A change in which the substance changes 1or more physical properties without changing substance
chemical reaction
physical reaction
physical change
chemical change
17
Research that focuses on a greater understanding of how the natural world operates.
applied research
basic research
18
What changes during a CHEMICAL reaction?
atoms of 1 or more substances are rearranged into new things
nothing happens
purple
1or more physical properties change
19
What is it called when evaporation occurs beneath the surface of a liquid?
melting
sublimation
boiling
freezing
20
The transformation from a liquid to a gas
freezing
condensation
melting
evaporation/boiling
21
Which is greater: water's heat of fusion OR its heat of vaporization?
heat of fusion
heat of vaporization
22
The transformation from a gas to a solid
condensation
deposition
sublimation
evaporation
23
Are atoms made of molecules or a molecule made of atoms?
atoms are made of molucules
molecules are made of atoms
24
The transformation from a gas to a liquid
condensation
sublimation
boiling
evaporation
25
Which requires the removal of heat?
evaporation
sublimation
freezing
melting
26
How does the arrangement of particles in a gas differ from liquids/solids?
they move slower
they are closer together
they move faster
they are more spread out
