Moles and Mass
The molar mass of sodium oxide
62 g
Sn + CuCl → SnCl2 + Cu
Sn + 2 CuCl → SnCl2 + 2 Cu
Identify the type of reaction:
NO2 → NO + O2
Decomposition
Three properties of metallic bonds
Ionize to cations
Highly conductive
MalleableMr. Jacques' lunch help days and location
Tuesdays and Thursdays, room 211
The moles of CO2 released in this reaction
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g)
4 moles
P + O2 → P2O5
4 P + 5 O2 → 2 P2O5
Predict the products of this reaction:
Al + CoCl2 →
Al + CoCl2 → AlCl3 + Co
The amount of oxygen atoms in this sample:
3 Mg3(PO4)
12 atoms
The two ions that make up water
H+ and OH-
The number of moles in a 10 g sample of water
0.56 moles
HF + Ba(OH)2 → BaF2 + H2O
2 HF + Ba(OH)2 → BaF2 + 2 H2O
Using A, B, C, and D, explain the five types of reactions (excluding combustion)
A + B -> AB
AB -> A + B
AB + C -> CB + A
AB + CD -> AD + CB
The five signs of a chemical reaction
1. Change in color
2. Formation of a precipitate
3. Gas formation
4. Change in temperature (exothermic vs endothermic)
5. Light emitted
The groups on the periodic table that makeup the transition metals
Groups 3-12 or 1B-8B
The mass of zinc (II) chloride produced in this reaction
2 HCl(aq) + Zn(s) → ZnCl2(aq) + H2(g)
136 g
C5H12 + O2 → CO2 + H2O
C5H12 + 8 O2 → 5 CO2 + 6 H2O
Predict the products of this reaction:
HI + Ba(OH)2 →
HI + Ba(OH)2 → BaI2 + H2O
The word equation form of this reaction
3 CaCO3 (s) + 3 H3PO4 (aq) -> Ca3(PO4)2 (aq) + 3 H2O (l) + 3 CO2 (g)
Solid calcium carbonate reacts with aqueous hydrogen phosphate to form aqueous calcium phosphate, liquid water, and gaseous carbon dioxide
Balance this reaction and identify the type of reaction:
Cu + AgNO3 → Cu(NO3)2 + Ag
Cu + 2 AgNO3 → Cu(NO3)2 + 2 Ag
Single replacement
The number of TOTAL mass of sodium nitrate in the products of this reaction:
Ag(NO3)2 + 2 NaCl → AgCl2 + 2 NaNO3
170 g
Fe + H2SO4 → Fe2(SO4)3 + H2
2 Fe + 3 H2SO4 → Fe2(SO4)3 + 3 H2
Predict the products of this reaction:
2 AlBr3 + 3 Cl2 →
2 AlBr3 + 3 Cl2 → 2 AlCl3 + 3 Br2
Convert this reaction into equation form:
Aqueous sodium fluoride reacts with solid calcium bromide to form aqueous sodium bromide and aqueous calcium fluoride
Pb(NO3)2 (aq)+ Na2CO3 (s) → PbCO3 (aq) + 2 NaNO3 (aq)