Predicting Products
Predict the products of this combination rxn
NH3 + HCl -->
NH3 + HCl --> NH4Cl
How many moles of aluminum hydroxide are needed to react with 0.87 moles of sulfuric acid, to make products?
2Al(OH)3(s) + 3H2SO4(aq) --> 6H(OH)(l) + Al2(SO4)3(aq)
0.58 mol Al(OH)3
Balance this rxn, Br2 + CuI --> CuBr + I2
Br2 + 2CuI --> 2CuBr + I2
What is the name of this compound? S2O6
Disulfur Hexoxide
Is SrSO4 soluble or insoluble in water?
insoluble
Predict the products of this combination rxn
CaO + H2O -->
How many grams of water can be formed from the rxn of 1.2 moles of aluminum hydroxide with excess sulfuric acid?
2Al(OH)3(s) + 3H2SO4(aq) --> 6H(OH)(l) + Al2(SO4)3(aq)
65g H2O
Balance this rxn, Fe + Cl2 --> FeCl3
2Fe + 3Cl2 --> 2FeCl3
What is the chemical formula for Mercury(I) cyanide?
HgCN
Is sodium carbonate soluble or insoluble in water?
Soluble
Predict the products for this single replacement
Cu(s) + AgNO3(aq) -->
Cu(s) + AgNO3(aq) --> Cu(NO3)2(aq) + Ag(s)
If 5.90g of water are formed, how many grams of aluminum hydroxide reacted, assuming excess sulfuric acid?
2Al(OH)3(s) + 3H2SO4(aq) --> 6H(OH)(l) + Al2(SO4)3(aq)
8.52g Al(OH)3
2KBr + Pb(NO3)2 --> 2KNO3 + PbBr2
What is the chemical formula for chromium(IV)phosphate?
Cr3(PO4)4
If a rxn has ΔH = -77.4 kJ the rxn is endothermic or exothermic?
And the energy will be written as a product or reactant?
Exothermic --> will be a product
Predict the products of this rxn with phase labels
AgNO3(aq) + Ca(OH)2(aq) -->
AgNO3(aq) + Ca(OH)2(aq) --> Ca(NO3)2(aq) +AgOH(s)
If a bottle of nail polish remover contains 155 g of acetone (C3H6O), how much heat is released by its complete combustion
C3H6O(l) + 4O2(g) --> 3CO2(g) + 3H2O(g)
ΔH = -1790 kJ
4.78 x 103 kJ
Balance this rxn, K3PO4 + MgSO4 --> Mg3(PO4)2 + K2SO4
2K3PO4 + 3MgSO4 --> Mg3(PO4)2 + 3K2SO4
What is the name of this acid HBrO4?
Perbromic acid
In this rxn ___ is being oxidized and ___ is losing electrons
Cu(s) + AgNO3(aq) --> Cu(NO3)2(aq) + Ag(s)
Cu(s) is being oxidized and Cu(s) is losing electrons
Predict the product of this rxn and balance it
Al + Pb(NO3)2 -->
2Al + 3Pb(NO3)2 --> 3Pb + 2Al(NO3)2
1.35.8g of NaCl are reacted with 195.7 g of Pb2+, determine the limiting reactant and the theoretical yield of PbCl2 in grams
Pb2+(aq) + 2NaCl(aq) ---> PbCl2(s) + 2Na+(aq)
Pb2+ = LR
Theoretical Yield = 262.7 g PbCl2
Balance this rxn, H2SO4 + AlBr3 --> HBr +Al2(SO4)3
3H2SO4 + 2AlBr3 --> 6HBr +Al2(SO4)3
What is the name of this compound? HClO (aq)
Hypochlorous acid
If 3.41 moles of aluminum are reacted, how many moles of sulfur (S8) are required to react completely?
16Al (s) + 3S8 (s) --> 8Al2S3 (s)
0.639 mol S8 needed