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2 Al + 3 Cl2 = 2 AlCl3
Ca(s) + HNO3(aq) = Ca(NO3)2(aq) + N2O(aq) + H2O(l) =>
4 Ca(s) + 10 HNO3(aq) = 4 Ca(NO3)2(aq) + N2O(aq) + 5 H2O(l)
Cu + S8 = Cu2S =>
16 Cu + S8 = 8 Cu2S
HCl + NaCO3 = HCO3 + NaCl =>
HCl + NaCO3 = HCO3 + NaCl
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
CuSO4 + Na3PO4 = Cu3(PO4)2 + Na2SO4 =>
3 CuSO4 + 2 Na3PO4 = Cu3(PO4)2 + 3 Na2SO4
C2H4(g) + O2(g) = CO2(g) + H2O(l) =>
C2H4(g) + 3 O2(g) = 2 CO2(g) + 2 H2O(l)
B2O3 + NaOH = Na3BO3 + H2O =>
B2O3 + 6 NaOH = 2 Na3BO3 + 3 H2O
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HgCl2 + NH4OH = Hg(OH)2 + NH4Cl =>
HgCl2 + 2 NH4OH = Hg(OH)2 + 2 NH4Cl
MgSO4 + Sr(NO3)2 = Mg(NO3)2 + SrSO4 =>
MgSO4 + Sr(NO3)2 = Mg(NO3)2 + SrSO4
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Cu(NO3)2 + KOH = Cu(OH)2 + KNO3 =>
Cu(NO3)2 + 2 KOH = Cu(OH)2 + 2 KNO3
Li(s) + N2(g) = Li3N(s) =>
6 Li(s) + N2(g) = 2 Li3N(s)
HCl + KI = HI + KCl =>
HCl + KI = HI + KCl
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
BCl3 + H2O = H3BO3 + HCl =>
BCl3 + 3 H2O = H3BO3 + 3 HCl
PbCO3(s) = PbO(s) + CO2(g) =>
PbCO3(s) = PbO(s) + CO2(g)
CaSiO3 + HF = SiF4 + CaF2 + H2O =>
CaSiO3 + 6 HF = SiF4 + CaF2 + 3 H2O
C7H8O2(l) + O2(g) = CO2(g) + H2O(l) =>
C7H8O2(l) + 8 O2(g) = 7 CO2(g) + 4 H2O(l)
FeCl3 + Na3PO4 = FePO4 + NaCl =>
FeCl3 + Na3PO4 = FePO4 + 3 NaCl
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
(CN)2 + H2O = H2C2O4 + NH3 =>
(CN)2 + 4 H2O = H2C2O4 + 2 NH3
PbI2 + KI = K2 + PbI4 =>
PbI2 + 2 KI = K2 + PbI4
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Sc2O3 + H2O = Sc(OH)3 =>
Sc2O3 + 3 H2O = 2 Sc(OH)3
C3H6(g) + O2(g) = CO2(g) + H2O(l) =>
2 C3H6(g) + 9 O2(g) = 6 CO2(g) + 6 H2O(l)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
H3PO4 + NaOH = Na2HPO4 + H2O =>
H3PO4 + 2 NaOH = Na2HPO4 + 2 H2O
P4 + NaOH + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
AgI + KI = K2 + AgI2 =>
2 AgI + 2 KI = K2 + 2 AgI2
NH4NO3(s) = N2O(g) + H2O(l) =>
NH4NO3(s) = N2O(g) + 2 H2O(l)
C6H10O5 + O2 = CO2 + H2O =>
C6H10O5 + 6 O2 = 6 CO2 + 5 H2O
Hg(NO3)2 + KI = HgI2 + KNO3 =>
Hg(NO3)2 + 2 KI = HgI2 + 2 KNO3
C5H6O(l) + O2(g) = CO2(g) + H2O(l) =>
C5H6O(l) + 6 O2(g) = 5 CO2(g) + 3 H2O(l)
Pb(NO3)2 + Na3PO4 = Pb3(PO4)2 + NaNO3 =>
3 Pb(NO3)2 + 2 Na3PO4 = Pb3(PO4)2 + 6 NaNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaNO3 + KI = NaI + KNO3 =>
NaNO3 + KI = NaI + KNO3
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
HgCl2 + KI = HgI2 + KCl =>
HgCl2 + 2 KI = HgI2 + 2 KCl
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
Cl2 + Na3AsO3 + NaOH = Na3AsO4 + NaCl + H2O =>
Cl2 + Na3AsO3 + 2 NaOH = Na3AsO4 + 2 NaCl + H2O
HgI2 + KI = HgK2 + I2 =>
HgI2 + 2 KI = HgK2 + 2 I2
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
K2O(s) + H2O(l) = KOH(aq) =>
K2O(s) + H2O(l) = 2 KOH(aq)
Ga + O2 = Ga2O3 =>
4 Ga + 3 O2 = 2 Ga2O3
Si4H10 + O2 = SiO2 + H2O =>
2 Si4H10 + 13 O2 = 8 SiO2 + 10 H2O
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