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H2CO3 + Ca(OH)2 = CaCO3 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe2O3 + CO = Fe + CO211 =>
70 Fe2O3 + CO = 140 Fe + CO211
Cu2O + HNO3 = H2O + NO2 + Cu(NO3)2 =>
Cu2O + 6 HNO3 = 3 H2O + 2 NO2 + 2 Cu(NO3)2
FeCl + Cl = FeClCl =>
FeCl + Cl = FeClCl
ZnO + NaOH = ZnO2Na2 + H2O =>
ZnO + 2 NaOH = ZnO2Na2 + H2O
Zn + H2SO4(konc) = ZnSO4 + SO2 + H2O =>
Zn + 2 H2SO4(konc) = ZnSO4 + SO2 + 2 H2O
(NH4)2C2O4 + NaNO3 = Na2C2O4 + NH4NO3 =>
(NH4)2C2O4 + 2 NaNO3 = Na2C2O4 + 2 NH4NO3
Fe2O3 + P2O5 = FePO4 =>
Fe2O3 + P2O5 = 2 FePO4
Cr2S3 + HOH = Cr(OH)3 + H2S =>
Cr2S3 + 6 HOH = 2 Cr(OH)3 + 3 H2S
Mg + NH4Cl = NH4 + MgCl2 =>
Mg + 2 NH4Cl = 2 NH4 + MgCl2
KI + Na2SO4 = K2SO4 + I2Na2 =>
2 KI + Na2SO4 = K2SO4 + I2Na2
HClO3 = HClO4 + Cl2 + H2O =>
7 HClO3 = 5 HClO4 + Cl2 + H2O
CH + F2 = CF4 + HF =>
2 CH + 5 F2 = 2 CF4 + 2 HF
K3PO4 + P2O5 + H2O = K2HPO4 =>
4 K3PO4 + P2O5 + 3 H2O = 6 K2HPO4
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
(NH2)2CO + NaOH + NaOCl = N2H4 + Na2CO3 + H2O + NaCl =>
(NH2)2CO + 2 NaOH + NaOCl = N2H4 + Na2CO3 + H2O + NaCl
Pb(ClO3)4 = PbCl4 + O2 =>
Pb(ClO3)4 = PbCl4 + 6 O2
Hg2CrO4 + H2O = Hg2O + H2CrO4 =>
Hg2CrO4 + H2O = Hg2O + H2CrO4
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
NaI + NaO3 + H2SO4 = I2 + Na2SO4 + H2O =>
10 NaI + 2 NaO3 + 6 H2SO4 = 5 I2 + 6 Na2SO4 + 6 H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Mg + CH2O2 = Mg(HCOO)2 + H2 =>
Mg + 2 CH2O2 = Mg(HCOO)2 + H2
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
Mn(OH)2(s) + HCl(aq) = MnCl2(aq) + H2O(l) =>
Mn(OH)2(s) + 2 HCl(aq) = MnCl2(aq) + 2 H2O(l)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C2H3Cl + O2 = CO2 + H2O + HCl =>
2 C2H3Cl + 5 O2 = 4 CO2 + 2 H2O + 2 HCl
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Ag + S8 = Ag2S =>
16 Ag + S8 = 8 Ag2S
CoOHNO3 + H2O2 = Co(OH)2NO3 =>
2 CoOHNO3 + H2O2 = 2 Co(OH)2NO3
BaO + CO2 + H2O = Ba(HCO3)2 =>
BaO + 2 CO2 + H2O = Ba(HCO3)2
AgNO3 + IK = AgI + KNO3 =>
AgNO3 + IK = AgI + KNO3
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
Sn(OH)2 + H3AsO4 = Sn3(AsO4)2 + H2O =>
3 Sn(OH)2 + 2 H3AsO4 = Sn3(AsO4)2 + 6 H2O
MgO + HCl = H2O + MgCl2 =>
MgO + 2 HCl = H2O + MgCl2
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
Na + HClO3 = NaClO3 + H =>
Na + HClO3 = NaClO3 + H
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
KNO3 + SO2 = K2SO4 + NO2 =>
2 KNO3 + SO2 = K2SO4 + 2 NO2
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
ammoniumnitrate = ammonia + nitrogendioxide + hydrogenperoxide =>
2 NH4NO3 = 2 NH3 + 2 NO2 + H2O2
C6H5(C2H5) + O2 = CO2 + H2O =>
2 C6H5(C2H5) + 21 O2 = 16 CO2 + 10 H2O
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
ZnS + BaCl2 = ZnCl2 + BaS =>
ZnS + BaCl2 = ZnCl2 + BaS
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
N2 + H3 = NH3 =>
N2 + 2 H3 = 2 NH3
NO2{-} + H2O = NO3{-} + NO + OH{-} =>
3 NO2{-} + H2O = NO3{-} + 2 NO + 2 OH{-}
NaY + AgNO3 = NaNO3 + AgY =>
NaY + AgNO3 = NaNO3 + AgY
K + HClO = KClO + H =>
K + HClO = KClO + H
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