The Mole
States of Matter
Gas Laws
Solutions
Potpourri
100
Before Change After
What does BCA stand for?
100
Solid, Liquid, Gas, Plasma
What are the states of matter?
100
The pressure and volume of a gas
Boyle’s law describes the relationship between what two things?
100
"Like dissolves like"
The general rule of thumb for solutions is?
100
0˚ Celsius and 1 atm
What are the conditions for STP (in atm and ˚C)?
200
The mole
What unit is used in the BCA table?
200
When state of matter is changing states at the same rate.
What is equilibrium?
200
The pressure is kept constant
Charles’s law states that a fixed amount of gas will be directly proportional to its Kelvin temperature as long as…
200
The Tyndall Effect displays whether a solution is a colloid.
When light is dispersed within a solution, what is this called and what does it show?
200
Pressure change, temperature change, and concentration change
What are two things that can change the equilibrium state?
300
Avagadro's number
A mole of a substance that represents 6.02x1023 is known as?
300
Triple point- where the three phases meet Critical Point- the point where the matter changes being
Name the two points on a phase diagram and what they mean.
300
Boyle’s Law, Charles’ Law, and Gay-Lussac’s Law
The combined gas law describes the relationship between which three laws?
300
Stir/shake it, break it up into smaller pieces, or heat it up.
What can you do to change solubility?
300
Acids- taste sour, are corrosive, change litmus red, are neutralized by bases, and are of a pH below 7 • Bases- feel slippery, change litmus blue, corrosive, neutralized by acids, and are of a pH higher than 7
What are two general properties of an acid and of a base?
400
.222 moles HCl, 4.97 L HCl, and 1.338 particles HCl
Convert 8g HCl to moles of HCl, L of HCl, and particles of HCl
400
Deposition, Sublimation, Vaporization (evaporation or boiling), Condensation, Freezing, and Melting
Name all six types of phase changes.
400
0.082(L x atm)/(K x mole)
What is the value for the ideal gas constant in Mr. Smith’s class?
400
.0875 L or 87.5 mL
If I add water to 100 mL of a 0.15 M NaOH until the final molarity is 0.08 M NaOH, how much water did I add?
400
The combination of a solution creates a product that does not dissolve and suspends out of the solution.
How are precipitates formed?
500
1.) To predict certain amounts to balance an equation 2.) To figure out how much of a compound is needed to make another compound 3.) To balance equations 4.) To convert into other volumes and the like 5.) Various other answers that make sense
Give two reasons why we use moles.
500
1.A gas is composed of particles that are small, hard spheres of insignificant volume, and they have no attractive or repulsive forces between each other. 2. The particles move randomly, but are always in constant straight-line motion. 3. All collisions between particles are considered perfectly elastic
Name two of three assumptions of Kinetic Theory as it applies to gases?
500
About 6.51 atm
If 4 moles of CO2 and 7 moles of water vapor are placed into a 175 L container at a temperature of 20 oC that already contains 5 atm of H gas, what is the pressure of the resulting mixture of gases? (Hint: Dalton’s law)
500
Solution equilibrium is a balance between crystal formation and those crystals dissolving while chemical equilibrium is a balance between the reactants and products is reached the forward reaction is happening at the same rate as the reverse reaction.
What is the difference between chemical equilibrium and solution equilibrium?
500
a. 18.444 g Tb b. 2.376 g TbF3
The rare earth metal terbium is produced from terbium (III) fluoride and calcium metal by the following single replacement reaction: 2TbF3 + 3 Ca → 3CaF2 +2Tb a. Given 27.5 g of TbF3 and 6.96 g of Ca, how many grams of terbium could be produced? b. How many grams of the excess reactant is left over? C: +5 A: 0 xs
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