January
February
March
April
May
100

Why do scientists use a unit called a mole?

Atoms and other particles are small

100

What is the Law of Conservation of Mass? (LCM)

Matter can neither be created or destroyed

100

What happens when oil is placed in water

The oil stays on top of the water 

100

What is Acidity?

Measure of how acidic a solution is

100

What does Chemical equilibrium exist between?

The atmosphere and the ocean

200

Why do your ears "pop" while on a plane or driving through mountains? 

The air high above the surface of earth is less dense than air near the surface.

200

What is a Coefficient? (Coef)

A Large number written in front of a substance (atom, molecule, compound) in CE.

200

What happens to oil and vinegar dressing when it is shaken?

They mix then seperate

200

What is Basicity

Measure of how basic (Alkaline) is

200

As an aq solution gradually becomes more acidic, which color will a Universal Indicator appear?

Red

300

Why do scientists use a unit called a mole?

B/c atoms and other particles are small

300

How is a Hydrogen Bond usually represented.

By a dotted molecule

300

Why is it easier to dissolve several small salt pieces rather than one large piece in water?

With several it is easier to mix it all up and get solution you want faster that with a piece of salt.

300

What is pH scale?

Logarithmic scale based on 10 measuring a solutions Acidity or Basicity 

300

When is a substance said to dissociate in solution?

When a substance that already exists

400

What is boyles law? 

The volume of a given mass of gas varies inversely with the pressure when the temp is kept constant

400

What surface does tension allow?

It allows some smaller insects to walk easily on its surface.

400

What is a solute?

A substance that dissolves in a solvent

400

Lactic Acid is found in which 3 products?

Milk, yogurt, sour cream

400

Where is citric acid found?

Fruit

500

What is a mole?

A unit of measurement

500

Why are LDF temporary?

Electrons are in constant motion

500

What is molarity?

Measurement expressing the number of moles of solute in one liter of solution

500

Where is Sulfuric Acid found?

Car batteries

500

Why can the concentration of liquid of liquid be removed form the equilibrium.

B/c the concentration can't change.