What is the hybridization of BrF3?
sp3d
Balance the following equation: C4H10 + O2 → CO2 + H2O. What is the sum of the coefficients (including any implied 1’s) after the reaction is balanced with the smallest number of whole numbers?
33
What is Molarity?
Amount of solute(moles)/ volume of solution(L)
What is a precipitation reaction?
Two soluble ionic compounds come together to form an insoluble ionic compound
What are binary acids and how are they named?
Binary Acids- made of hydrogen and another element
Naming:
(Hydro)- (base name of nonmetal +ic)+(acid)
How is bond order calculated?
B.O.= (# of Electrons in bonding orbitals)- (# of electrons in antibonding orbitals)
Strontium nitrate reacts with ammonium phosphate to produce strontium phosphate and ammonium nitrate. What is the sum of the coefficients (including any implied 1’s) after the reaction is balanced with the smallest number of whole numbers?
12
What is the equation used for solution dilution problems?
M1V1=M2V2
Predict wheter each compound is soluble or insoluble
PbCl2
CuCl2
Ca(NO3)2
BaSO4
Insoluble ( Cl- normally soluble, Pb2+ is exception)
Soluble (Cl- normally soluble, Cu2+ not an exception)
Soluble ( NO3- compounds always soluble)
Insoluble (SO42- normally soluble, Ba2+ is exception)
Name the six strong acids
HCl, HBr, HI, HNO3, H2SO4, HClO4
Which theory states that a bond is lower in energy and is formed from the overlap of two half-filled atomic orbitals?
Valance Bond Theory
In the reaction of solid iron with carbon dioxide to form iron(III) oxide and carbon monoxide, how many grams of carbon dioxide are required to completely react with 250 grams of iron?
296 g CO2
You have a stock solution of hydrochloric acid (HCl) with a concentration of 6.0 M. You need to prepare 250 mL of a 1.5 M HCl solution for a lab experiment. How many liters of the 6.0 M stock solution should you use?
0.0625 L
Write an equation for the percipitation reaction that occurs (if any) when you mix solutions of sodium nitrate and lithium sulfate.
NaNO3 (aq) + Li2SO4 (aq) -> No reaction
Possible products are both soluble: LiNO3 + Na2SO4
What are the products of an acid base reaction?
Water and a salt
How many sigma and pi bonds are in this molecule?
13 sigma bonds
3 pi bonds
122g ZnS are combined with 84.0g of Oxygen in the reaction below.
2 ZnS (s) + 3 O2 (g) ->2 ZnO(s) + 2SO2(g)
How many grams of excess reactant are left over after the reaction goes to completion?
35.26g O2
A student prepared a stock solution by dissolving 138.0 g of solid potassium phosphate in enough water to make 500 mL of solution. What volume of this potassium phosphate stock solution is needed to create 250.0 mL of solution with a potassium ion concentration of 0.800 M?
51.3 mL
The following is a precipitation reaction occuring in an aqueous solution.
3SrCl2 (aq)+ 2Li3PO4 (aq) ->Sr3(PO4)2 (s)+6LiCl (aq)
Write the complete ionic and net ionic equation
Complete Ionic:
3Sr2++6Cl-+6Li++2PO43- ->Sr3(PO4)2+6Li++6Cl-
Net Ionic:
3Sr2++2PO43- ->Sr3(PO4)2
Write the balanced molecular and net ionic equations for the reaction between hydrobromic acid and potassium hydroxide.
Molecular: HBr+ KOH -> H2O + KBr
Net Ionic: H++ OH--> H2O
Determine the bond orders of F2-, N2, F2+
Which is the strongest?
N2 : 3
F2- : 1/2
F2+ : 1
N2 has the largest bond order and is the strongest
122g ZnS are combined with 84.0g of Oxygen in the reaction below.
2 ZnS (s) + 3 O2 (g) ->2 ZnO(s) + 2SO2(g)
Calculate the mass in g of SO2 produced.
80.2 g SO2
What volume of 0.350 M lead(II) nitrate solution is required to completely react with 65.0 mL of 0.100 M aluminum chloride solution?
Balance first: _ Pb(NO3)2(aq) + AlCl3(aq) →_PbCl2(s) + _ Al(NO3)3(aq)
27.9 mL
Determine wheater each compound is soluble or insoluble. If the compound is soluble list the ions present in solution.
AgNO3
Pb(C2H3O2)2
KNO3
(NH4)2S
soluble: Ag+ NO3-
soluble: Pb2+ C2H3O2-
soluble: K+ NO3-
soluble: NH4+ S2-
Complete and balance each acid base equation.
H2SO4(aq) + Ca(OH)2 (aq) ->
HClO4(aq) + KOH(aq)->
H2SO4 (aq) + NaOH (aq)->
H2SO4(aq) + Ca(OH)2 (aq) -> 2H2O(l) + KBr (aq)
HClO4(aq) + KOH(aq)-> H2O (l)+ KClO4 (aq)
H2SO4 (aq) + NaOH (aq)-> 2H2O (l) + Na2SO4 (aq)