What's the Matter?
Chemistry Chaos
Particle Party
Under Pressure
Energy Exchange
100
This is anything that has mass and takes up space.
What is matter?
100
The substances present at the beginning of a chemical reaction are called these.
What are reactants?
100
This state of matter has a definite shape and definite volume.
What is a solid?
100
When temperature increases, particles generally move this way.
What is faster?
100
Energy stored in the bonds of a chemical.
What is chemical potential energy?
200
This is the smallest unit of an element that still has the properties of that element.
What is an atom?
200
The new substances formed during a chemical reaction are called these.
What are products?
200
This state has a definite volume but takes the shape of its container.
What is a liquid?
200
This is a measure of the average kinetic energy of particles in a substance.
What is temperature?
200
A chemical reaction that releases energy to its surroundings is called this.
What is exothermic reaction?
300
According to the particle model, increasing temperature generally causes particles to do this.
What is move faster?
300
When atoms are rearranged to for a new substance.
What is a chemical reaction?
300
This state has neither a definite shape nor a definite volume.
What is a gas?
300
This is the force exerted when particles push against a surface.
What is pressure?
300
A chemical reaction that absorbs or stores energy is called this.
What is endothermic?
400
A small piece of something.
What is a particle?
400
The fact that atoms cannot be created or destroyed.
What is the Law of Conservation of Matter?
400
When a solid gains enough energy to become a liquid, this change occurs.
What is melting point?
400
When a substance is heated and it's volume increases.
What is thermal expansion?
400
This law states that matter/energy is not created or destroyed during a chemical reaction.
What is the Law of Conservation of Energy?
500
A substance made of only one type of atom is called this.
What is an element?
500
The number of atoms of an element in a chemical formula can be found by looking at this
What is the subscript?
500
State of matter CO2 is at a temperature of 0 degrees and a pressure of 72atm.
What is liquid CO2?
500
As altitude increases (air pressure decreases), boiling point does this..
What is boiling point decreases?
500
If a reaction takes place and the temperature of its surroundings goes from 20 degrees to 50 degrees.
What is an example of exothermic reaction?