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barber chemistry
barber chemistry
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1
What are elemental molecules?
molecules containing only one atom of a single element
molecules containing two atoms each of different elements
molecules containing two or more atoms of the same element
molecules large enough to be seen by the naked eye
2
Physical properties of matter...
do not change the identity of the substance.
changes the identity of a substance through a chemical reaction.
are flammability, toxicity, reactivity, acidity, and heat of combustion.
can be measured without changing the identity of the substance.
3
What are molecules?
Explosions
Large materials
Made up by atoms in mixed proportions
Made up of matter. The building blocks of atoms.
4
Chemical Properties of matter
All the above
Ability to burn
ability to rust
Iron oxide
5
What is an oxide?
An atom
Anything with oxygen added
A mixture of elements
A compound with an element and oxygen.
6
pH stands for potential hydrogen?
True
False
7
What is an element?
A combination of compounds
Something the Avatar controls
A substance that can't be broken down into other substances
Water
8
What is a solution?
any substance dissolved into a solvent to form a solution
none of the above
any substance, usually a liquid, that dissolves the solute to form solution
stable uniform mixture of two or more mixable substances
9
What is a suspension?
substance that allows oil and water to mix by reducing surface tension
unstable uniform mixtures of two or more substances
none of the above
physical mixture of 2 immiscible liquids held together by emulsifying agent
10
Potential Hydrogen scale range
1-10
1-14
0-14
0-10
11
Solvent
none of the
any substance dissolved into a solvent to form a solution
any substance, usually liquid, that dissolves the solute to form a solution
any substance, usually liquid, that dissolves the solute to form a solution
12
Physical properties of matter
odor, color change, change in energy
Size, Shape, texture, state of matter
Size, Shape, bubbles, odor
Size, shape, texture
13
What is a physical mixture?
combination of 2 or more types of matter blended together in fixed combo
Rebonding the bonds and bond
Neutralizing and rebonding the physical mixtures
physical mixture that mixes oil and water
14
Compound molecules are chemical combinations of ____ of different elements.
TWO OR MORE ATOMS
ORGANIC MATTER
THREE MOLECULES
ELECTRONS
15
Emulsion is a physical mixture of two immiscible liquids held together by an emulsifying agent
True
False
16
What is Chemistry?
The study and science of matter and anatomy
The science that deals with composition, structures, & properties of matter
Science dealing with structures and
The study of oils and water
17
Chemical properties of matter....
Are funky fresh....
are only observed when substances physically interact.
are only observed when substances chemically interact.
all the above
18
Organic chemistry is the study of substances that contain
Carbon
Hydrogen
19
What is oxidation
suspension
when a substance dissolves in another substance
Two thing mixed together
chemical reaction when oxygen is gained or hydrogen lost
20
What is an atom?
Mixture of compounds
The result of a chemical reaction
Smallest unit of matter
Corrosive substances
21
What is known as the universal solvent
carbon monoxide
waters H2O
carbon dioxide
carbon
22
A reduction reaction
Loses electrons
Gains electrons (loss of oxygen or additon of hydrogen)
Gains protons
Loses protons
23
In an endothermic reaction...
temperature increases
heat energy is released
heat energy is taken in from an external source
there is no heat exchange
24
What is Organic Chemistry?
Mr. Robs crazy diet
The study of living or previously living organisms containing carbon
study that uses organic compounds
A substance that is capable of dissolving another substance.
25
In an exothermic reaction...
temperature decreases
heat energy is taken in
there is no heat exchange
heat energy is released
26
What are the states of matter?
Anything that has gravity.
Facts or information.
Solids, liquids, and gases.
27
What is a chemical compound?
an alloy of two or more molecules
a combination of two or more chemical elements
a subatomic particle
a combination of two protons and two electrons
28
Surfactant (base detergent) is a substance that allows oil and water to mix or emulsify by reducing surface tension
True
False
29
The abbreviation used for potential hydrogen, represents the quantity of hydrogen ions
hP
Ph
pH
30
What is matter?
anything that has mass (weights) and takes up space (volume)
anything in the universe
anything that has energy
anything that can be carried
31
What is a solute?
none of the above
any substance, usually liquid, that dissolves the solute to form a solution
stable, uniform mixture of two or more mixable substances
any substance dissolved into a solvent to form a solution
32
Redox(reduction oxidation). In a redox reaction, the
Oxidizing agent remains stable and reducing agent oxidized
Oxidizing agent is increased and reducing agent reduced
Oxidizing agent reduced and reducing agent remains same
Oxidizing agent is reduced and reducing agen oxidized
33
What is an element?
substance made of two or more elements
physical preparation of two or more substances
homogeneous mixture of two or more substances
substance that can't be broken down into simpler substances
34
Define inorganic chemistry
The study of all chemicals containing Carbon
The study of composition of matter
The study of chemicals that don't contain Carbon but may have hydrogen
The study of processes that take place in organisms
