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4 H3P = 6 H2 + P4
I + H2O = HI + OH =>
I + H2O = HI + OH
Ca(OH)2 + (H2SO4) = Ca + (SO4) + H2O =>
Ca(OH)2 + (H2SO4) = Ca + (SO4) + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KHCO3 + H3PO4 = K2HPO4 + H2O + CO2 =>
2 KHCO3 + H3PO4 = K2HPO4 + 2 H2O + 2 CO2
HCl + H2SO4 = H + SO4Cl =>
HCl + H2SO4 = 3 H + SO4Cl
Na(OH) + H3PO4 = Na3(PO4) + H(OH) =>
3 Na(OH) + H3PO4 = Na3(PO4) + 3 H(OH)
(NH4)2SO3 + KOH = NH4OH + K2SO3 =>
(NH4)2SO3 + 2 KOH = 2 NH4OH + K2SO3
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
K2CO3 + Fe(BrO3)2 = KBrO3 + FeCO3 =>
K2CO3 + Fe(BrO3)2 = 2 KBrO3 + FeCO3
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
BaO + SO3 = SO2 + BaO2 =>
BaO + SO3 = SO2 + BaO2
Pb + NaOH = H2 + Na4PbO4 =>
Pb + 4 NaOH = 2 H2 + Na4PbO4
Sr(OH)2 + HCl = SrCl2 + H2O =>
Sr(OH)2 + 2 HCl = SrCl2 + 2 H2O
Na2CO3 + HC6H8O7 = NaC6H8O7 + H2CO3 =>
Na2CO3 + 2 HC6H8O7 = 2 NaC6H8O7 + H2CO3
H2O2 + HCl + CoCl2*6H2O = H2O + [Co(H2O)6]Cl3 =>
H2O2 + 2 HCl + 2 CoCl2*6H2O = 2 H2O + 2[Co(H2O)6]Cl3
HBrO3 + HBr + HCN = BrCN + H2O =>
HBrO3 + 2 HBr + 3 HCN = 3 BrCN + 3 H2O
MnH + SiO + H2O = Mn2SiO4 + H2 =>
2 MnH + SiO + 3 H2O = Mn2SiO4 + 4 H2
PCl3 + H2O + HNO3 = H3PO4 + HCl + NO =>
3 PCl3 + 8 H2O + 2 HNO3 = 3 H3PO4 + 9 HCl + 2 NO
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Na2[Pb(OH)4] + H2O2 = PbO2 + NaOH + H2O =>
Na2[Pb(OH)4] + H2O2 = PbO2 + 2 NaOH + 2 H2O
Rb2CO3 + Pb(ClO4)2 = Pb2(CO3)2 + Rb(ClO4) =>
2 Rb2CO3 + 2 Pb(ClO4)2 = Pb2(CO3)2 + 4 Rb(ClO4)
KHSO3 + HCl = KCl + SO2H2O =>
KHSO3 + HCl = KCl + SO2H2O
Fe + Cl3 = Fe3Cl3 =>
3 Fe + Cl3 = Fe3Cl3
Rb3PO4 + BaCl2 = Rb3Cl2 + BaPO4 =>
Rb3PO4 + BaCl2 = Rb3Cl2 + BaPO4
N2(s) + O2(g) = N2O5(s) =>
2 N2(s) + 5 O2(g) = 2 N2O5(s)
Li2O + SO3 = Li2O3 + SO =>
Li2O + SO3 = Li2O3 + SO
Mg + H2O = H2 + Mg2O2 =>
2 Mg + 2 H2O = 2 H2 + Mg2O2
Fe2(SO4)3 + Pb(ClO3)2 = Fe(ClO3)3 + PbSO4 =>
Fe2(SO4)3 + 3 Pb(ClO3)2 = 2 Fe(ClO3)3 + 3 PbSO4
C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
H2SO4 + NaHCO3 = H2Na + SO4(HCO3) =>
H2SO4 + NaHCO3 = H2Na + SO4(HCO3)
ClO3 + H2O = Cl + OH =>
ClO3 + 3 H2O = Cl + 6 OH
NH3 + HCl + H2O = H2 + NCl(H3O) =>
2 NH3 + 2 HCl + 2 H2O = 3 H2 + 2 NCl(H3O)
Si + H = SiH4 =>
Si + 4 H = SiH4
FeI3 + Ca3(PO4)2 = CaI2 + FePO4 =>
2 FeI3 + Ca3(PO4)2 = 3 CaI2 + 2 FePO4
HCOH + Cu{2+} + OH{-} = HCOO + Cu2O + H2O =>
2 HCOH + 6 Cu{2+} + 12 OH{-} = 2 HCOO + 3 Cu2O + 7 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
[Cu(NH3)2]Cl + O2 = CuO + NH3 + Cl2 =>
2[Cu(NH3)2]Cl + O2 = 2 CuO + 4 NH3 + Cl2
Ni(CH3COO)2 + KOH = Ni(OH)2 + KCH3COO =>
Ni(CH3COO)2 + 2 KOH = Ni(OH)2 + 2 KCH3COO
CH3(CH2)2CH3(g) + O2 = CO2(g) + H2O =>
2 CH3(CH2)2CH3(g) + 13 O2 = 8 CO2(g) + 10 H2O
Fe3Cl + Sn2Cl = Fe2Cl + Sn4Cl =>
2 Fe3Cl + 2 Sn2Cl = 3 Fe2Cl + Sn4Cl
P2 + KOH + H2O = PH3 + KH2PO4 =>
4 P2 + 3 KOH + 9 H2O = 5 PH3 + 3 KH2PO4
Ca(NO3)2 + HCl = CaCl2 + HNO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 HNO3
Pt + Cu = CuPt =>
Pt + Cu = CuPt
C5H11Br = C5H10 + HBr =>
C5H11Br = C5H10 + HBr
FeC2O4*2H2O + H2O2 + K2C2O4 = [Fe(C2O4)3]3{-} + K{+} + OH{-} + H2O =>
6 FeC2O4*2H2O + 11 H2O2 + 12 K2C2O4 = 2[Fe(C2O4)3]3{-} + 24 K{+} + 22 OH{-} + 12 H2O
Cd2O + Mg = MgO + Cd =>
Cd2O + Mg = MgO + 2 Cd
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