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Chemical Interactions Final Review
Chemical Interactions Final Review
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Chemical Interactions FOSS Final #foss #chemicalinteractions #1-9
Flashcards
38 cards
F
Practice quiz
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Host live
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Questions
38
Answers
1
Solid water (ice) does not flow. Liquid water flows because the particles of liquid water _____
Can easily move past one another, but the ice cannot
re not as hard as the particles of solid ice
Weigh less than the particles of solid ice
Are moving, but the particles of solid ice are not
2
Particles that have medium kinetic energy and can move past one another are in what phase?
Plasma
Liquid
Solid
Gas
3
Anything that has mass or takes up space is?
Chemical Formula
Bonds
Weight
Matter
4
A chemical reaction is when
atoms break bonds, rearrange, & form new bonds as a new sub
it makes a form of matter with a unique composition
a change of energy in the particles in a substance occurs
a substance breaks apart
5
What is between the particles of matter?
nothing
air
more particles
smaller particles
6
A substance is
matter of which a thing exists
an element
matter with a definite composition
a compound
7
Water freezes at what temperature?
32oC
0o C
31oF
28oF
8
Which of the following is
not
made up of atoms?
gas
solids
matter
heat
9
The energy that involves motion.
Expand
Kinetic Energy
Gas
Kritical Energy
10
The basic substances that cannot be broken down into simpler substances is?
Matter
Solid
Particle
Elements
11
What is the attractive force that holds atoms together?
Bonds
Glue
Bands
Matter
12
Particles with high kinetic energy that move independently through space are?
Gas
Plasma
Liquid
Solid
13
When air is heated in a balloon
the air particles get close together
the particles move faster
the air particles get larger
the number of air particles increases
14
What happens at the particle level when melting or dissolving occurs?
Particles get soft enough to turn into liquid.
particles contract and move closer together
energy increases for the particles to move past each other
particles are heated until the bonds break
15
A compound is
a substance composed of only 1 element
a substance composed of only 1 element
a substance composed of 2 or more elements
not a substance
16
The basic particle of an element is...
Bond
Element
Formula
Atom
17
What is in between helium in a helium balloon?
Cat Hair
Air
Nothing
Oxygen
18
How many elements are in NaCHAuAgS
7
5
6
4
19
When energy transfer from matter, it...
Contracts
Expands
Sinks
Flies
20
The measure of the average kinetic energy of the particles in a substance is...
Temperature
Expand
Transfers
Contract
21
A code that represents the number and kinds of atoms in one particle of a substance is?
Chemical Reaction
Chemical Formula
Convection
Conduction
22
When kinetic energy increases in matter, it...
Contracts
Jumps
Expands
Sinks
23
What would the final temperature of equal amounts of H
2
O at 90
0
and H
2
O at 30
0
be when mixed?
50
20
60
32.5
24
Energy transfer by contact is?
Conduction
Correct
Convection
Radiation
25
Which particles have more kinetic energy in a room temperature cup of water?
they have the same
the air particles
the water particles
26
The smallest piece of a substance is a...
Precipitate
Partridge
Particle
Bonds
27
What is chemistry?
The study of rocks
The study of life
The study of matter
The study of motion
28
What are 2 liquids on the periodic table?
Hydrogen and Oxygen
Hydrogen and Cobalt
Neon and Hydrogen
Bromine and Mercury
29
What is it called when a substance distributed uniformly throughout another substance?
Dissolving
Melting
Freezing
30
Heat causes...
Reactants
Solutions
Products
Phase Change
31
What is the common name for NaCl?
Sodium Bicarbonate
Salt
Sugar
Water
32
Something that speeds up a reaction or gets it going it
a catalyst
quark
chemical preaction
a roadster
33
An element is
quarks
two substances combined
two substances separated
a substance that cannot be broken down into a simpler form
34
The process of rearranging atoms into new substances is called...
Chemical Formula
Convection
Conduction
Chemical Reaction
35
Which of these were the evidence for choosing our mystery mixture?
similar powder physical appearances/properties
bubbled vigorously/loudly
turned cold during the reaction
similar appearance after evaporation
36
All of these are phase changes except...
Freezing
Dissolving
Melting
Evaporating
37
What was the mystery mixture made of?
Calcium Bicarbonate and Citric Acid
Sodium Bicarbonate and Citric Acid
Citric Acid and Ascorbic Acid
Cat Hair and Greenies
38
Particles w/ relatively low kinetic energy that are bonded tightly together are in what phase?
Plasma
Liquid
Gas
Solid
