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2 TbF3 + 3 Ca = 3 CaF2 + 2 Tb
Ba + O2 = BaO2 =>
Ba + O2 = BaO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ba + Al2(CO3)3 = Ba(CO3) + Al =>
3 Ba + Al2(CO3)3 = 3 Ba(CO3) + 2 Al
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
Ga + O2 = Ga2O3 =>
4 Ga + 3 O2 = 2 Ga2O3
CoCl2 + BaS = CoS + BaCl2 =>
CoCl2 + BaS = CoS + BaCl2
AgOH + FeCl3 = Fe(OH)3 + AgCl =>
3 AgOH + FeCl3 = Fe(OH)3 + 3 AgCl
NaClO3 + H2S = H2SO4 + NaCl =>
4 NaClO3 + 3 H2S = 3 H2SO4 + 4 NaCl
Hg + H2CO3 = HgCO3 + H2 =>
Hg + H2CO3 = HgCO3 + H2
HClO4 + Au(OH)3 = Au(ClO4)3 + H2O =>
3 HClO4 + Au(OH)3 = Au(ClO4)3 + 3 H2O
Co(CH3COO)2 + (NH4)2S = CoS + NH4CH3COO =>
Co(CH3COO)2 + (NH4)2S = CoS + 2 NH4CH3COO
Ca + Cu2O = CaO + Cu2 =>
Ca + Cu2O = CaO + Cu2
Ca(solid) + H2O(liquid) = Ca(OH)2(aqueoussolution) + H2(gas) =>
Ca(solid) + 2 H2O(liquid) = Ca(OH)2(aqueoussolution) + H2(gas)
Bi(NO3)3 + Na(OH) = Bi(OH)3 + Na(NO3) =>
Bi(NO3)3 + 3 Na(OH) = Bi(OH)3 + 3 Na(NO3)
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
NiO + HF = NiF2 + H2O =>
NiO + 2 HF = NiF2 + H2O
Cr + Mg{2+} = Cr{3+} + Mg =>
2 Cr + 3 Mg{2+} = 2 Cr{3+} + 3 Mg
Ag + NO3H = NO3Ag + NO + H2O =>
3 Ag + 4 NO3H = 3 NO3Ag + NO + 2 H2O
NaCN + CaSO4 = Ca(CN)2 + Na2SO4 =>
2 NaCN + CaSO4 = Ca(CN)2 + Na2SO4
Fe(CrO2)2 + NaNO3 + K2CO3 = Fe2O3 + K2CrO4 + NaNO2 + CO2 =>
2 Fe(CrO2)2 + 7 NaNO3 + 4 K2CO3 = Fe2O3 + 4 K2CrO4 + 7 NaNO2 + 4 CO2
BeF2 + O2 = BeO + F2 =>
2 BeF2 + O2 = 2 BeO + 2 F2