drill: determine the number of oxygen atoms 3.33 kg caco 3

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


__K + __Cu(NO3)2

__ KNO3 + __ Cu


__N2O5

_ N2 + _NO2 + _O2


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


_CaCO3 + _H2O + _CO2

_Ca(HCO3)2


_H2SO4 +_Al(OH)3

_ Al2(SO4)3 + _ H2O


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