Drill: Determine the number of oxygen atoms 3.33 kg CaCO 3 :
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 + CO 2 Ca(HCO 3 ) 2(aq)
Drill: Balance, classify, & name reactants & products for: _ FeCl 3 + _ KOH _ Fe(OH) 3 + _ KCl
CHM II HW Study for the test on nomenclature, molar conversions, & balancing & classifying rxns tomorrow
Review of nomenclature, molar conversions, balancing rxns, & classifying rxns.
Make the following conversions 50.0 g CaCO 3 to molecules 5.6 L SO 2 to mass 4.0 g 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
__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
Calculate the % composition of: Al 2 (SO 4 ) 3