Chemical Reactions
Give one example of evidence of a chemical reaction.
could say color change, temp change, formation of light, precipitate, and gas bubbles
What defines matter?
Anything with mass and volume
Define products
The new substances produced after a chemical reaction occurs
What is a property?
A characteristic
What are the three states of matter?
Solid, Liquid, Gas
What is a chemical reaction?
A process where two or more substances change into a new substance.
Protons, neutrons, and electrons
What is found on the right side of the arrow in a chemical reaction?
The products
What are the two types of properties when discussing matter?
Physical and Chemical
The movement of their particles
Open responce
What is the building block of all matter?
What is found on the left side of the arrow in a chemical reaction?
the reactants
List an 3 examples of a physical property.
Color, mass, volume, density, state of matter, shape, ect
What is the transition called when a solid turns to a liquid?
Melting
List all 5 evidences of a chemical reaction
Color, temp, bubbles, light, & precipitate.
What is chemistry?
The study of matter
The starting materials
What is a common example of a chemical property?
Flammability
Explain how heat works.
Heat is the movement of particles. As movement increases, temperature increases.
Give an appropriate example for each of the five evidences of a chemical reaction.
Color - rotting food
temp - H2O and CaCl2
bubbles - baking soda and vinegar
light - fireworks
precipitate- - soap scum
Define molecule
When two or more atoms are chemically bonded together
What is one benefit of writing a chemical equation for a chemical reaction?
To avoid mistakes, to document change, for ease.
We are able to see chemical properties when what occurs?
A chemical reaction
List the four transitions we learned between states of matter.
Boiling, melting, condensation, and freezing.