Post on 17-Jan-2016
Drill:•Determine the
number of oxygen atoms 3.33 kg CaCO3
Review Drill &
HW
CHM II HW• Review PP 8
• Complete the worksheet (Balancing Rxns 2) that is attached to the Poly website, & turn it in tomorrow.
Schedule•Wednesday: Review
•Thursday: Lab
•Friday: Test
Types of Reactions
•Single Displacement
•Double displacement
•Synthesis
•Decomposition
•Combustion
Single Displacement
•An element & a compound make a
new element & a new compound.
_ CaBr2(aq) + _ F2(g)
_ CaF2(aq) + _ Br2(g)
Double Displacement
•Two compounds exchange negative portions
•Change of phase a must
Double Displacement__ Ca(NO3)2 + __ K2SO4
__ CaSO4 + __ KNO3
Synthesis•Elements or
smaller molecules combine to make larger molecules
Synthesis
_CaO + _CO2
_CaCO3
Decomposition•Larger molecules break down to form smaller molecules
or elements
Decomposition
_MgCO3 + Heat
_MgO + _CO2
Combustion•A carbon compound
is burned (rapid oxidation) producing
carbon dioxide & water
Combustion
__C5H12 + __O2
__CO2 + __H2O
Balance & Classify the Following Rxns,
and Name all reactants & Products
___H2SO4 + ___Al(OH)3
___Al2(SO4)3 + ___H2O
___K3PO4 + ___Pb(NO3)2
___Pb3(PO4)2 + ___KNO3
CaCO3(s) + H2O(l)
+ CO2(g)
Ca(HCO3)2(aq)
•Determine the number of oxygen
atoms 2.0 kg Fe2(SO4)3
Drill: Balance, classify, & name reactants & products for:
_ FeCl3 + _ KOH
_ Fe(OH)3 + _ KCl
Review & Collect Drill
& HW
CHM II HW•Review PPs 7 & 8
•Complete the attached assignment & turn it in tomorrow.
Are there any questions on
previous material?
Lab 2 is due tomorrow while
performingLab 3
CHM II HW•Study for the test on nomenclature, molar conversions, & balancing & classifying rxns for Friday
Review of nomenclature, molar
conversions, balancing rxns, & classifying rxns.
Make the following conversions
• 50.0 kg CaCO3 to molecules
• 5.6 L SO2 to mass in ng
• 4.0 mg Fe2O3 to atoms
__H2SO4 + __NH3
__(NH4)2SO4
Balance, classify & name components
_K2SO3 +_MnF3
_ Mn2(SO3)3 + _ KF
Balance, classify & name components
__K + __Cu(NO3)2
__ KNO3 + __ Cu
Balance, classify & name components
__N2O5
_ N2 + _NO2 + _O2
Balance, classify & name components
Calculate the empirical formula for a compound
containing 40.0 % carbon, 53.3 % oxygen,
& 6.67 % hydrogen.
Calculate the % composition of:
Al2(SO4)3
__C9H18 + __O2
__CO2 + __H2O
Balance, classify & name components
_CaCO3 + _H2O + _CO2
_Ca(HCO3)2
Balance, classify & name components
_H2SO4 +_Al(OH)3
_ Al2(SO4)3 + _ H2O
Balance, classify & name components