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N2 + 3 H2 = 2 NH3
Eu2O3 + HI = EuI2 + H2O + I2 =>
Eu2O3 + 6 HI = 2 EuI2 + 3 H2O + I2
S + MnO2 + H2SO4 = MnSO4 + H2O =>
S + 3 MnO2 + 2 H2SO4 = 3 MnSO4 + 2 H2O
CH3OH + HCOOH = HCOH + CH3OOH =>
CH3OH + HCOOH = HCOH + CH3OOH
Mg3(PO4)2 + KBr = MgBr2 + K3PO4 =>
Mg3(PO4)2 + 6 KBr = 3 MgBr2 + 2 K3PO4
Ca3F2(s) + H2O(l) = Ca(OH)2(aq) + FH3(g) =>
Ca3F2(s) + 6 H2O(l) = 3 Ca(OH)2(aq) + 2 FH3(g)
NaI + Ca3(PO4)2 = Na(PO4)2 + Ca3I =>
NaI + Ca3(PO4)2 = Na(PO4)2 + Ca3I
KH + MnSO4 + H4XeO6 = KMnO4 + H2XeO4 + H2O + H2SO4 =>
2 KH + 2 MnSO4 + 7 H4XeO6 = 2 KMnO4 + 7 H2XeO4 + 6 H2O + 2 H2SO4
Fe + H2O = Fe(OH)2 + H2 =>
Fe + 2 H2O = Fe(OH)2 + H2
NaHCO3 + Al2(SO4)3 = Na2SO4 + Al(OH)3 + CO2 =>
6 NaHCO3 + Al2(SO4)3 = 3 Na2SO4 + 2 Al(OH)3 + 6 CO2
Ca(OH)2 + (NH4)2CO3 = Ca(NH4)2 + (OH)2CO3 =>
Ca(OH)2 + (NH4)2CO3 = Ca(NH4)2 + (OH)2CO3
NaNO2 + K2Cr2O7 + H2SO4 = NaNO3 + Cr2(SO4) + K2SO4 + H2O =>
5 NaNO2 + K2Cr2O7 + 2 H2SO4 = 5 NaNO3 + Cr2(SO4) + K2SO4 + 2 H2O
KI + CaSO3 = K2SO3 + CaI2 =>
2 KI + CaSO3 = K2SO3 + CaI2
K2O + N2O3 = KNO2 =>
K2O + N2O3 = 2 KNO2
Fe3 + Cl2 = Fe3Cl2 =>
Fe3 + Cl2 = Fe3Cl2
Pb + Mn(NO3)2 = Pb(NO3)2 + Mn =>
Pb + Mn(NO3)2 = Pb(NO3)2 + Mn
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
K2CO3 + Ca(OH)2 = CaCO3 + KOH =>
K2CO3 + Ca(OH)2 = CaCO3 + 2 KOH
SO3 + NaOH = NaHSO4 =>
SO3 + NaOH = NaHSO4
C6H4(OCOCH3)COONa + NaOH = CH3COONa + C6H4(OH)COONa =>
C6H4(OCOCH3)COONa + NaOH = CH3COONa + C6H4(OH)COONa
KClO3 + AgNO3 = KNO3 + AgCl + O2 =>
2 KClO3 + 2 AgNO3 = 2 KNO3 + 2 AgCl + 3 O2
NH3 + SO2 + H2O = (NH4)2SO3 =>
2 NH3 + SO2 + H2O = (NH4)2SO3
C187H186O89N9S = C187H28 + S + N2 + O2 + H2 =>
2 C187H186O89N9S = 2 C187H28 + 2 S + 9 N2 + 89 O2 + 158 H2
NH4 + PbNO3 = NH3 + HNO3 + Pb =>
NH4 + PbNO3 = NH3 + HNO3 + Pb
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Na2S + Na2[Fe(CN)5NO] = Na4[Fe(CN)5NOS] =>
Na2S + Na2[Fe(CN)5NO] = Na4[Fe(CN)5NOS]
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
FeCl3 + K2O = KCl + Fe2O3 =>
2 FeCl3 + 3 K2O = 6 KCl + Fe2O3
C + H + Br = CHBr =>
C + H + Br = CHBr
H2SO4(ah) + KOH(aq) = K2SO4 + H2O =>
H2SO4(ah) + 2 KOH(aq) = K2SO4 + 2 H2O
HCl + SO3 = ClSO3H =>
HCl + SO3 = ClSO3H
H2SO4 + AgClO3 = HClO3 + Ag2SO4 =>
H2SO4 + 2 AgClO3 = 2 HClO3 + Ag2SO4
Sb2S3 + HNO3 + HCl = H3SbCl6 + H2SO4 + NO2 + H2O =>
Sb2S3 + 24 HNO3 + 12 HCl = 2 H3SbCl6 + 3 H2SO4 + 24 NO2 + 12 H2O
KI + Cl2 = I2 + KCl =>
2 KI + Cl2 = I2 + 2 KCl
Ra + H2O = Ra(HO)2 + H2 =>
Ra + 2 H2O = Ra(HO)2 + H2
SiH4*CH4 + H2O2 = SiO2 + CO + H2 =>
2 SiH4*CH4 + 3 H2O2 = 2 SiO2 + 2 CO + 11 H2
C2H4O2H2 + O2 = CO2 + H2O =>
2 C2H4O2H2 + 5 O2 = 4 CO2 + 6 H2O
NaBH4 + TiO2 = Ti2O3 + NaBO2 + H2O =>
NaBH4 + 8 TiO2 = 4 Ti2O3 + NaBO2 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Na + Co2O3 = Na2O + Co =>
6 Na + Co2O3 = 3 Na2O + 2 Co
CuSO4(aq) + NaOH = Cu(OH)2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaOH = Cu(OH)2(s) + Na2SO4(aq)
Mn + Al3O3 = MnO2 + Al =>
3 Mn + 2 Al3O3 = 3 MnO2 + 6 Al
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
CH3COOH*H2O + NaCl + CaCO3 = CH3COONa + CaCl2 + CO2 + H2O =>
2 CH3COOH*H2O + 2 NaCl + CaCO3 = 2 CH3COONa + CaCl2 + CO2 + 3 H2O
C6H5CHO + H2NNHCONH2 = C6H5CHNNHCONH2 + H2O =>
C6H5CHO + H2NNHCONH2 = C6H5CHNNHCONH2 + H2O
CoS + O = CoO + SO =>
CoS + 2 O = CoO + SO
LiNO3 + Na2O = NaNO3 + Li2O =>
2 LiNO3 + Na2O = 2 NaNO3 + Li2O
Cu + HNO3 + CO2 = Cu(CO3)2 + NO + H2O =>
3 Cu + 4 HNO3 + 6 CO2 = 3 Cu(CO3)2 + 4 NO + 2 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
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