Balancing
Al + HCl → AlCl3 + H2
2Al+ 6HCl+2AlCl3+H2
H2 + O2 → H2O (balance first)
How many moles of oxygen react with hydrogen to produce 27.6 mol of water?
13.8 mol O2
2H2S+3O2→2SO2+2H2O
What mass of oxygen gas is consumed in a reaction that produces 4.60 mol SO2?
221 g O2
Sn+2HF→SnF2+H2
How many moles of hydrogen fluoride are required to react completely with 75.0g of tin?
1.26 mol HF
N2+3H2->2NH3
How many grams of NH3 are produced in the reaction of 50 g of nitrogen?
60.7g NH3
P4O10 + H2O → H3PO4
P4O10 + 6H2O → 4H3PO4
C5H12+8O2→5CO2+6H2O
How many moles of H2O can be formed if 0.0652 mol of C5H12 were to react?
0.391 mol H2O
CaC2+H2O->C2H2+Ca(OH)2 (balanced)
If 3.2 moles of CaC2 are consumed in this reaction, how many grams of water are needed?
115.33g H2O
3Mg+1Fe2O3->2Fe+3MgO
How many mole of iron are produced with 25g of Mg?
0.69 mol Fe
LiOH+HBr->LiBr+H2O
How many grams of LiBr will be produced from 10g LiOH?
36.25g LiBr
KClO3 → KClO4 + KCl
4KClO3 → 3KClO4 + KCl
NH3+O2→N2+H2O (balance)
How many moles of H2O are produced when 1.65 mol of NH3 react?
2.48 mol H2O
Mg+HCl->MgCl2+H2 (balanced)
what is the mass of hydrogen gas when 4 moles of HCl is added to the reaction?
4.04g HCl
NH4NO3->N2O+2H2O
How many moles of water are produced with 45g of N2O?
2.04 mol H2O
2HCl+Na2SO4->2NaCl+H2SO4
How many grams of H2SO4 will be produced in 20g of HCl?
27.2g H2SO4
C7H6O2 + O2 → CO2 + H2O
2C7H6O2 + 15O2 → 14CO2 + 6H2O
C3H8+5O2->3CO2+4H2O
How many moles oxygen are nessecary to react completely with 4 moles of propane (C3H8)?
20 mol O2
CaC2+2H2O->C2H2+Ca(OH)2
How many grams of Ca(OH)2 would be formed with 3.2 mol of CaC2
237.12g Ca(OH)2
2AlCl3 + 3H2O->Al2O3 + 6HCl
How many moles of HCl will be produced when 249 g of AlCl3 are reacted?
5.6 mol HCl
AgNO3+BaCl2->AgCl+Ba(NO3)2 (balance)
How many grams of silver chloride are produced from 5g of silver nitrate?
4.2g AgCl
Ca3(PO4)2 + SiO2 → P4O10 + CaSiO3
2Ca3(PO4)2 + 6SiO2 → P4O10 + 6CaSiO3
KClO3->KCl+O2 (balance first)
How many moles of oxygen are produced fro the reaction of 6 moles of potassium chlorate?
9 mol O2
CH4 + 2O2 → CO2 + 2H2O
What mass of CO2 is produced by the combustion of 1.00 mol of CH4?
44g CO2
Ca + N2+ 3O2 → Ca(NO3)2
How many moles of O2 are needed to prepare 1.00 g of Ca(NO3)2?
0.0183 mol O2
2KI + Pb(NO3)2 --->(finish the equation then balance)
How many grams of PbI2 are produced from 30g of KI?
4.6g PbI2