An oatmeal raisin cookie is an examle of a?
Heterogenerous
What determines whether a mixture is a suspension or a colloid?
Size of particles
Chlorine, which is used in swimming pools to kill bacteria is an
solute
Which of the following is in a mixture?
Air
Pennies minted after 1984 contain 97.5% zinc and 2.5% copper. These coins are examples of?
Alloys
Two liquids that form a heterogenous mixture are said to be
Immiscible
Which of the following is a method for separating a solution of miscible liquids?
Distilling
Which of the following is an example of a homogenous mixture?
Gasoline
Particles in an _______ can be separated by filtration
Suspension
The Tyndall effect is observed in
Colloids
The electrons in water molecule are gathered nearest to
The one oxygen atom
A molecule that has partially charged particle positive and negative area is
Polar
Because many substances dissolve in water, water is referred to as
Universal solvent
Which is NOT a reason that a sugar crystal dissolves in water?
Sugar decants
Which would NOT increase the rate at which a sugar cube dissolves?
Reducing the amount of solvent
Dissolving sodium chloride in water will
Lower the freezing point of the solution
Which mixture is a good example of the way a solute can affect the freezing point and boiling point of a solution?
Ethylene glycol and water
Which will NOT dissolve in water
Petroleum
What type of bond occurs between two water molecules
Hydrogen bonding
Compounds that do not dissolve in water are usually
Nonpolar
Which substance is insoluble in water?
Olive oil
The ability of a substance to dissolve in another at a given temperature and pressure is
Solubility
Which. Substance is completely soluble in water?
Acetic acid
A solution that is able to dissolve additional solute is best described at?
Unsaturated
A saturated solution will usually dissolve more solid solute if it is
Heated
What happens when the pressure on a soda is decreased?
Some gas comes out of the solution
Molarity is the concentration of a solution expressed as
Moles of solute per liter of solution