Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/14

Click to flip

14 Cards in this Set

  • Front
  • Back
mixture
a combination of elements or compounds that are physically blended together but not bound by chemical bonds
List three common liquid mixtures.
solutions, colloids, suspensions
Once mixed together, solutes in a solution remain _____________ ______________ among the sovent molecules.
evenly dispersed
Because the solute particles in a solution are very small, a solution looks _______________ and _______________.
clear, transparent
How is a colloid different from a solution?
A colloid differs from a solution mainly because of the sie of its particles--large enough to scatter light
Colloids usually appear _______________ or ______________.
translucent or opaque
Is milk a colloid or a solution?
milk - both a colloid and a solution - large milk proteins make it a colloid, calcium salts, milk sugar (lactose), ions and other small particles are in solution
True or False.
Solutes in solutions and colloids settle out and accumulate on the bottom of the container.
False. Solutes do not settle out in solutions and colloids.
Suspension
the suspended material may mix with the liquid or suspending medium for some time, but eventually it will settle out
Name an example of a suspension.
blood
How is the concentration of a solution expressed?
a mass per volume percentage; moles per liter
What is the mass per volume percentage?
gives the relative mass of a solute found in a given volume of solution
What is moles per liter?
(mol/L) units which relate to the total number of molecules in a given volume of solution
mole
the amount of any substance that has a mass in grams equal to the sum of the atomic masses of all its atoms.