Show:
The Mole
Stoichiometry
States of matter and gas laws
solutions
Equilibrium, acds, and bases
100
How many moles is 34g of NaOH?
.85 moles of NaOH
100
2Al +3Cl2→2AlCl3
×1 mole Al = 2.96 moles Al
100
The change of state in which a liquid becomes a solid as heat is removed
What is freezing?
100
Solubility is defined as the amount of solute that is dissolved in this mass of solvent
what is 100 g
100
A solution that contains more hydrogen ions than hydroxide ions
What is an acid
200
You are given 2.4 x 10^23 particles of Ca(OH)2, how many moles does this equal?
.39 moles of Ca(OH)2
200
How many moles of sodium atoms correspond to 1.56x1021 atoms of sodium?
2.59x10-3mol Na atoms
200
The change of a substance from liquid to a gas
What is evaporation
200
Gases dissolve better at these temperatures
What is colder temperatures
200
This type of base contains an -OH group and dissociates to produce a hydroxide ion in aqueous solution
What is an arrhenius base
300
What is the mass of .75 moles of H2O2?
25.5g of H202
300
Sb2S3(s) + 3Fe(s)→2Sb(s) +3FeS(s)
×88 grams = 170 grams
300
The process in which solid changes directly into a gas
What is sublimation
300
These properties depend on the mass of solute used, not necessarily on their identity
What are colligate properties
300
This type of acid dissociates to produce relatively many hydrogen ions
What is a strong acid
400
How many particles are in 54g of Ca(OH)2?
4.4 x 10^23 particles of Ca(OH)2
400
CO(g) +2H2(g)→CH3OH(g)
×22.4 L = 59.7 L
400
The temperature and pressure at which a liquid and a gas are in equilibrium
what is boiling point
400
If the solubility was described to be above the curve on the solubility curve diagram, then the solution is assumed to be this.
What is supersaturated?
400
This ion is essentially just a proton
What is a hydrogen ion
500
What is the molar mass of C3H7OH?
60 g/mol
500
4NH3(g) + 6NO(g)→5N2(g) + 6H2O(g)
×6 moles NO(g) = 16.44 moles NO(g)
500
The reverse of sublimation
what is deposition
500
Salt is _________ in water because it dissolves in water
Soluble
500
The negative logarithm of the hydroxide ion concentration
What is pOH