Drill: Determine the number of oxygen atoms 3.33 kg CaCO 3

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.

_ CaBr 2(aq) + _ F 2(g)  _ CaF 2(aq) + _ Br 2(g)

Double Displacement Two compounds exchange negative portions Change of phase a must

Double Displacement __ Ca(NO 3 ) 2 + __ K 2 SO 4 __ CaSO 4 + __ KNO 3

Synthesis Elements or smaller molecules combine to make larger molecules

Synthesis _CaO + _CO 2  _CaCO 3

Decomposition Larger molecules break down to form smaller molecules or elements

Decomposition _MgCO 3 + Heat  _MgO + _CO 2

Combustion A carbon compound is burned (rapid oxidation) producing carbon dioxide & water

Combustion __C 5 H 12 + __O 2  __CO 2 + __H 2 O

Balance & Classify the Following Rxns, and Name all reactants & Products

___H 2 SO 4 + ___Al(OH) 3 ___Al 2 (SO 4 ) 3 + ___H 2 O

___K 3 PO 4 + ___Pb(NO 3 ) 2 ___Pb 3 (PO 4 ) 2 + ___KNO 3

CaCO 3(s) + H 2 O ( l ) + CO 2(g) Ca(HCO 3 ) 2(aq)

Determine the number of oxygen atoms 2.0 kg Fe 2 (SO 4 ) 3

Drill: Balance, classify, & name reactants & products for: _ FeCl 3 + _ 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 performing Lab 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 CaCO 3 to molecules 5.6  L SO 2 to mass in ng 4.0 mg Fe 2 O 3 to atoms

__H 2 SO 4 + __NH 3  __(NH 4 ) 2 SO 4 Balance, classify & name components

_K 2 SO 3 +_MnF 3  _ Mn 2 (SO 3 ) 3 + _ KF Balance, classify & name components

__K + __Cu(NO 3 ) 2  __ KNO 3 + __ Cu Balance, classify & name components

__N 2 O 5  _ N 2 + _NO 2 + _O 2 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: Al 2 (SO 4 ) 3

__C 9 H 18 + __O 2  __CO 2 + __H 2 O Balance, classify & name components

_CaCO 3 + _H 2 O + _CO 2  _Ca(HCO 3 ) 2 Balance, classify & name components

_H 2 SO 4 +_Al(OH) 3  _ Al 2 (SO 4 ) 3 + _ H 2 O Balance, classify & name components