Important Terms
Classifying Matter
Equations & Units
Properties of Matter
Energy
100
This is defined as anything having mass and volume.
What is matter
100
This type of substance has a fixed composition and fixed properties. Example include water, sulfur, sodium chloride, etc.
What is a pure substance
100
This measurement is defined as mass/volume.
What is density
100
This type of property can be observed without chemically changing the substance. Examples include texture, color and odor.
What is a physical property
100
The Law of Conservation of Energy states what?
What is energy can neither be created nor destroyed
200
________ contain only 1 type of atom.
What are elements
200
A tossed salad is an example of this where substances are not chemically bonded and retain their individual properties.
What is a mixture
200
Specific heat is measured in what units?
What are J/gxdegreesC
200
What type of properties do not depend on the amount of substance present.
What is intensive
200
Energy is measured in a standard unit known as _________.
What is a joule (J)
300
These contain 2 or more different types of atoms.
What is a molecule
300
A ________ mixture is another name for a solution. Examples include salt water and kool-aid.
What is a homogeneous mixture
300
For water, 1 mL is also equal to 1 _______.
What is a gram
300
What type of property tells how a substance reacts with other substances?
What is a chemical property
300
What type of energy is stored in bonds between atoms?
What is potential energy
400
This type of elements consists of several "like" atoms bonded together.
What is a polyatomic element
400
Copper and zinc combine to make brass which is a homogeneous mixture of metals called __________.
What is an alloy
400
Using the heat equation, specific heat can be found by C = ?
What is q/mdeltaT
400
Density is an example of what type of property?
What is intensive
400
Steam condensing is an example of what type of energy change?
What is exothermic
500
Name any 4 of the 7 diatomic elements.
What is H2, O2, Br2, F2, I2, N2 and/or Cl2
500
Name any 3 of the 6 ways to separate mixtures.
What is sorting, filtering, magnetism, chromatography, density and/or distillation.
500
Give the 3 equations needed to determine the amount of energy used when changing from a gas to a solid.
What is q=mCdeltaT, q=mHvap, q=mHfus
500
Name all 3 of the extensive properties given to you.
What is mass, volume and length.
500
For the energy curve, if the products are located higher than the reactants, the energy change is _________.
What is endothermic
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