Two or more substances that are physically mixed together
What is a mixture?
100
When a balance between the reactants and the product is reached in a reaction.
What is chemical equilibrium?
200
Divide by 22.4L
How do you convert from volume to moles?
200
The chemical that gets used up before the other one in a chemical reaction
What is a limiting reagent?
200
The higher the temperature, the lower the pressure of gas
What is the relationship between the temperature and pressure of a gas?
200
A mixture containing substances that are evenly distributed
What is a homogeneous mixture?
200
When the reaction doesn't go to completion and the reaction can go either direction.
What is a reversible reaction?
300
All gases react in small, whole number ratios
What did early chemists discover about reactions involving the combination of gases?
300
The chemical that is left after the limiting reagent is used up
What is the excess reagent?
300
Temperature
How may states of matter be changed?
300
A liquid heterogeneous mixture
What is a suspension mixture?
300
Pressure change, temperature change, and concentration change.
What is equilibrium affected by?
400
Multiply the moles by the molar mass of the mole
How do you convert from moles to grams?
400
A molecule made of only two atoms.
What is a diatomic molecule?
400
Standard, temperature, pressure
What does STP stand for?
400
The minor component in a solution
What is a solute?
400
7 pH
What pH is neutral?
500
Mole
The atomic mass is the mass of one _______ of that element.
500
When a compound combines with oxygen gas to form water, heat, and carbon dioxide
What is a combustion reaction?
500
An encounter between two bodies in which the total kinetic energy of the two particles after the encounter is equal to the to their total kinetic energy after the collision
What is an elastic collision?
500
A solution where one component is water.
What is an aqueous solution?
500
If a system at equilibrium is disturbed by applying stress, the system attains a new equilibrium position to accommodate the change and relieve stress.