Chemical Reactions
What is a catalyst?
Something that speeds up the process of a chemical reaction.
What are the 4 states of mater?
Solid, liquid, Gas, And plasma.
If a substance has a Ph of 7 is it an acid, base, or neutral?
It is neutral?
What are physical properties?
Anything you can observe with your 5 senses.
What is a percipite?
A white substance that forms due to a chemical reaction.
How do the particles of a solid move?
They vibrate in place.
If a substance has a Ph of 3 is is an acid, base, or neutral?
it is an acid.
What are chemical properties of matter?
Any change you can observe in a chemical reaction
What is a product?
A product is the result of the chemical reaction.
How do particles move in a liquid?
They slide past each other.
If a substance has a Ph of 9 is it an acid, base, or neutral?
Name 2 physical properties of matter
Odor, texture, color, sound, taste- can observe with 5 senses
Mass, density
Shape, size
Melting point, boiling point, freezing point
What are some signs of a chemical reaction?
Odor, color, gas, and temperature all work.
How do particles move in gas?
The move around fast.
How do acids and bases taste?
Acids taste sour while bases taste bitter.
name 2 chemical properties.
Toxicity
Flammability
Ability to rust
Reactivity
Name 2 kinds of chemical reactions
Synthesis, combustion, decomposition, single replacement, and double replacement all work.
What is the most common state of matter in the universe?
Plasma
What kind of ions do acids and bases produce?
Acids= hydrogen ions
Bases= hydroxide ions
Whats the difference between a chemical and physical properties?
chemical properties are when you can see the change in chemical reactions. physical properties are what you can sense with your 5 senses