Chapter 1
What are the Four States of Matter?
Solid, Liquid, Gas and Plasma
What is it called when liquid changes to gas?
Evaporation
What are the three chemical properties?
Reaction with Oxygen, Flammability, Reaction with acid or bases
Which kind of reaction RELEASES energy ?
EXOthermic Reaction
At what temperature does water freeze?
32 Degree Fahrenheit 0 degrees celsius
What is Volume?
The amount of space that matter occupies
What is a Mixture?
A substance made by mixing two or more substances together
What is an example of a chemical change? Give your own answer.
Answers will Vary
Does a catalyst slow down or speed up a reaction?
Speed up
What do the particles look like in a solid state of matter?
Compact, close together, etc.
D=M/V
Density equals mass over volume
The rate of how fast or slow the atoms are moving
What is reactivity?
The ability of matter to undergo a chemical reaction with other kinds of matter
What are the 5 signs of a chemical reaction?
Change in Color, Change in Odor, Production of Gas, Production of solids and change in energy
What are the things on the right side called in a chemical equation?
How high does the Fahrenheit temperature scale go up to?
180 degrees
What are the three things that can affect FREEZING point?
Solutes, Pressure, Movement
What is the law of conservation of mass?
Mass can never be created or destroyed
What is a catalyst?
A substance that increase the rate of a chemical reaction WITHOUT participating in the reaction
What is corrosion?
The weakening of metals cause by chemical action
If something floats, does it have a high density or a low density?
What is the boiling point for water on MOUNT EVEREST?
72 degrees celsius or 162 degrees Fahrenheit
H + 2O------>
One Hydrogen plus Two Oxygen Equals .....
WATER!!!! H2O
If you increase the concentration of reactants in a chemical reaction will it increase the rate or slow it down?
Increase the rate
What is an endothermic reaction?
A chemical reaction that ABSORBS energy