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2 Na + 2 H2O = 2 NaOH + H2
KOH + H3PO4 = K2HPO4 + H2O =>
2 KOH + H3PO4 = K2HPO4 + 2 H2O
CH3CH2CHOH + CuO = CH3CH2COH + H2O + Cu =>
2 CH3CH2CHOH + CuO = 2 CH3CH2COH + H2O + Cu
K + O2 = K2O =>
4 K + O2 = 2 K2O
K + F2 = KF =>
2 K + F2 = 2 KF
HCOOH = COH2O =>
HCOOH = COH2O
PbO2 + HCOOH = Pb(HCOO)2 + CO2 + H2O =>
PbO2 + 3 HCOOH = Pb(HCOO)2 + CO2 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaHSO4 + H2O = NaOH + H2SO4 =>
NaHSO4 + H2O = NaOH + H2SO4
NaNO3(aq) + KCl(aq) = NaCl(s) + KNO3(aq) =>
NaNO3(aq) + KCl(aq) = NaCl(s) + KNO3(aq)
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
NO3 + H = NO + H2O =>
NO3 + 4 H = NO + 2 H2O
MgCl2 + K3P = KCl + Mg3P2 =>
3 MgCl2 + 2 K3P = 6 KCl + Mg3P2
CaO + P2O3 = Ca(PO2)2 =>
CaO + P2O3 = Ca(PO2)2
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
LiNO3 + CaBr2 = Ca(NO3)2 + LiBr =>
2 LiNO3 + CaBr2 = Ca(NO3)2 + 2 LiBr
C3H2N + O2 = CO2 + H2O + NO =>
C3H2N + 4 O2 = 3 CO2 + H2O + NO
H2S + Cl2 + H2O = H2SO4 + HCl =>
H2S + 4 Cl2 + 4 H2O = H2SO4 + 8 HCl
COCu2O = Cu2CO2 =>
COCu2O = Cu2CO2
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
N2 = N3 =>
3 N2 = 2 N3
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Sn + FeCl3 = SnCl2 + FeCl2 =>
Sn + 2 FeCl3 = SnCl2 + 2 FeCl2
H3PO3 + Mg = MgPO3 + H2 =>
2 H3PO3 + 2 Mg = 2 MgPO3 + 3 H2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CaI2 + Br2 = CaBr2 + I2 =>
CaI2 + Br2 = CaBr2 + I2
Fe + Na = Fe2Na =>
2 Fe + Na = Fe2Na
C2H4(OH)2 + CuO = Cu + H2O + CHOCHO =>
C2H4(OH)2 + 2 CuO = 2 Cu + 2 H2O + CHOCHO
BaCl + Li(SO4) = Ba(SO4) + LiCl =>
BaCl + Li(SO4) = Ba(SO4) + LiCl
H2O + H2SO4 + As2O3 + CrO3 = Cr2(SO4)3 + H3AsO4 =>
3 H2O + 6 H2SO4 + 3 As2O3 + 4 CrO3 = 2 Cr2(SO4)3 + 6 H3AsO4
SeCl4 + O2 = SeO4 + Cl =>
SeCl4 + 2 O2 = SeO4 + 4 Cl
SiO3 = Si + O2 =>
2 SiO3 = 2 Si + 3 O2
CS2 + SO2 = S + CO2 =>
CS2 + SO2 = 3 S + CO2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
KMnO4 + K2SO3 + H2SO4 = K2MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 7 K2SO3 + H2SO4 = 2 K2MnSO4 + 6 K2SO4 + H2O
BiCl3 + KMnO4 + H2SO4 = Cl2 + KBiO3 + MnSO4 + H2O =>
2 BiCl3 + 2 KMnO4 + 2 H2SO4 = 3 Cl2 + 2 KBiO3 + 2 MnSO4 + 2 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
CaOHCH3COOH = CaCH3COOH2O =>
CaOHCH3COOH = CaCH3COOH2O
Mn + NaClO = MnO2 + NaCl =>
Mn + 2 NaClO = MnO2 + 2 NaCl
C8H6O5S + NaOH + O2 = C8H4O3Na + H2O + Na2SO3 =>
4 C8H6O5S + 12 NaOH + O2 = 4 C8H4O3Na + 10 H2O + 4 Na2SO3
Cd + HC1 = CdC12 + H2 =>
Cd + 12 HC1 = CdC12 + 6 H2
Al(NO3)3(aq) + Ca(s) = Ca(NO3)2(aq) + Al(s) =>
2 Al(NO3)3(aq) + 3 Ca(s) = 3 Ca(NO3)2(aq) + 2 Al(s)
O2 + C4H4 = H2O + CO2 =>
5 O2 + C4H4 = 2 H2O + 4 CO2
NaSO4 + H2O = OH + NaHSO4 =>
NaSO4 + H2O = OH + NaHSO4
H2S + Br2H2O = H2SO4 + HBr =>
H2S + 4 Br2H2O = H2SO4 + 8 HBr
IO3 + AsO3{-}3 = AsO4{-}3 + I2 =>
2 IO3 + 6 AsO3{-}3 = 6 AsO4{-}3 + I2
NaI + MnO2 + H2SO4 = Na2SO4 + MnSO4 + H2O + I2 =>
2 NaI + MnO2 + 2 H2SO4 = Na2SO4 + MnSO4 + 2 H2O + I2
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