Chemical reactions are classified into two parts, seperated by an arrow.
What is reactant and product?
100
LiOH + HBr --> LiBr + H2O
There are 10 grams of lithium hydroxide, how many grams of lithium bromide would be created?
What is 36.3 grams?
100
1. This is the minor component in a solution. (smaller amount)
2. This is a substance in which solute is dissolved. (larger amount)
What is solute; solvent?
100
What happens when solute is added to the solvent, in terms of vapor pressure?
VP is lowered.
200
How many atoms of hydrogen are in 1 mole of H20?
Hint: Use your molar map.
What is 1.2044*10^24
200
Write the chemical equation for the following:
Chloride + Hydrogen = Hydrochloric acid
What is Cl + H = HCl?
200
2 HCl + Na2SO4 --> 2 NaCl + H2SO4
There are 20 grams of hydrochloric acid, how much sulfuric acid will be created?
What is 30 grams?
200
What occurs to gases when the temperature of the solution increase?
They drop or fall; decrease proportionally.
200
There is 31.65 grams of NaCl and it's added to 220mL at 34 degrees Celsius.
How will this affect the boiling point of the H2O?
What is by 2.53 degrees Celsius?
300
the empirical formula of a compound containing 60.0% sulfur and 40.0% oxygen by mass
What is SO3?
300
Balance the following:
___ SnO2 + ___ H2 → ___ Sn + ___ H2O
What is ___ SnO2 + __2_ H2 → ___ Sn + __2_ H2O?
300
NaNO3(s) + H2SO4 (l) --> Na2SO4(s) + HNO3 (g)
There are 22 grams of sodium nitrate and 16 grams of sulfuric acid.
Which reactant is the excess reactant?
What is sulfuric acid?
300
4 grams of C12H22O11 is dissolved in 350 mL of H20.
What is M = 0.033 mol/L.
300
Find the freezing point of a solution with 5.00 g of C12H10 and 7.50 g of C10H8, dissolved in 200 grams of benzene.
Find the new freezing point.
What is 3.17 degrees Celsius.
400
The molecular formula of butane
What is C4H10?
400
Decompose Hydrochloric acid
What is H2 + Cl2
400
NaNO3(s) + H2SO4 (l) --> Na2SO4(s) + HNO3 (g)
There are 22 grams of sodium nitrate and 16 grams of sulfuric acid.
How many grams is the excess reactant in excess?
What is 3.4 grams?
400
30 mL of 5.6 M of HCl are reacted with Mg(OH)2.
How many grams of Magnesium Chloride will be produced?
What is 7.99 grams?
400
There are 4.9 grams of C12H12O11 in 175 grams of H2O.
Find the boiling point.
What is 100.043 degrees Celsius?
500
Timolol's composition is 49.4% C, 7.64% H, 17.7% N, 15.2% O, and 10.1% S. Find the empirical formula.
What is C13H24N4O3S C4H4O4?
500
Total ionic equation for:
2 Na3PO4 (aq) + 3 CaCl2 (aq) --> 6 NaCl (aq) + Ca3(PO4)2 (s)
What is 6 Na (aq) + 2 PO43 (aq) + 3 Ca2 (aq) + 6 Cl (aq)
--> 6 Na (aq) + 6 Cl (aq) + Ca3(PO4)2 (s)?
500
N2 + 3 H2 ---> 2 NH3
There are two moles of N2 reacting with H2, how much NH3 is created.
Hint: Mole to Mole conversion
What is 4 moles?
500
A solution of C2H5OH has 5% H20. Mole fractions of C2H5OH and H20 in the solution.
What is C2H5OH = .88
H20 = .12
500
When 9.12 g of HCl was dissolved in 190 g of water, the freezing point of the solution was -4.65 degrees Celsius.
What is the value of the van't Hoff factor for HCl?