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4 H25 + 25 SO2 = 50 H2O + 25 S
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HCl + Zn(OH)2 = ZnCl2 + H2O =>
2 HCl + Zn(OH)2 = ZnCl2 + 2 H2O
CaCl2K(OH) = CaOHKCl2 =>
CaCl2K(OH) = CaOHKCl2
CH3COOAg(aq) + CaCl2(aq) = (CH3COO)2Ca + AgCl =>
2 CH3COOAg(aq) + CaCl2(aq) = (CH3COO)2Ca + 2 AgCl
Sn + FeCl2 = Fe2 + Sn2Cl =>
8 Sn + 2 FeCl2 = Fe2 + 4 Sn2Cl
NaClO(aq) + HBr(aq) = HCl + NaBrO =>
NaClO(aq) + HBr(aq) = HCl + NaBrO
H{2}O = H{2+}O{2} =>
H{2}O = H{2+}O{2}
I2 + HNO3 = HIO4 + NO + H2O =>
3 I2 + 14 HNO3 = 6 HIO4 + 14 NO + 4 H2O
CdS + HNO3 = Cd(NO3)2 + S + NO + H2O =>
3 CdS + 8 HNO3 = 3 Cd(NO3)2 + 3 S + 2 NO + 4 H2O
ClO2 + Na2SO3 + H2O = Na2SO4 + NaCl + H2SO4 =>
2 ClO2 + 5 Na2SO3 + H2O = 4 Na2SO4 + 2 NaCl + H2SO4
NH4OH + (AlCl3) = NH4Cl + Al(OH)3 =>
3 NH4OH + (AlCl3) = 3 NH4Cl + Al(OH)3
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
Mg(NO3)2 + Al2(SO4)3 = MgSO4 + Al(NO3)3 =>
3 Mg(NO3)2 + Al2(SO4)3 = 3 MgSO4 + 2 Al(NO3)3
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
NaCN + H2CO3 = Na2CO3 + HCN =>
2 NaCN + H2CO3 = Na2CO3 + 2 HCN
MeNO3 = MeNO2 + O2 =>
2 MeNO3 = 2 MeNO2 + O2
HNO3(k) + Cu = Cu(NO3)2 + H2O + NO2 =>
4 HNO3(k) + Cu = Cu(NO3)2 + 2 H2O + 2 NO2
MnSO4(aq) + Na3PO4(aq) = Na2SO4(aq) + Mn3(PO4)2 =>
3 MnSO4(aq) + 2 Na3PO4(aq) = 3 Na2SO4(aq) + Mn3(PO4)2
C4H8O + O2 = CO2 + H2O =>
2 C4H8O + 11 O2 = 8 CO2 + 8 H2O
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
Cr2O3 + H2O = Cr(OH)3 =>
Cr2O3 + 3 H2O = 2 Cr(OH)3
NaCH3COO + CaCO3 = NaCO3 + CaCH3COO =>
NaCH3COO + CaCO3 = NaCO3 + CaCH3COO
AgNO2 + NaCl = AgNO2NaCl =>
AgNO2 + NaCl = AgNO2NaCl
NiCl2 + Na(OH)2 = Ni(OH)2 + NaCl2 =>
NiCl2 + Na(OH)2 = Ni(OH)2 + NaCl2
H + P = H2P3 =>
2 H + 3 P = H2P3
CrCl2 + NO + HCl = CrCl3 + N2 + H2O =>
4 CrCl2 + 2 NO + 4 HCl = 4 CrCl3 + N2 + 2 H2O
CH2CHCHCH2 + KMnO4 + H2O = MnO2 + CH2(OH)CH(OH)CH(OH)CH2(OH) + KOH =>
3 CH2CHCHCH2 + 4 KMnO4 + 8 H2O = 4 MnO2 + 3 CH2(OH)CH(OH)CH(OH)CH2(OH) + 4 KOH
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C8H10 = C + H =>
C8H10 = 8 C + 10 H
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
HNO3 + KI + HCl = KCl + I2 + NO + H2O =>
2 HNO3 + 6 KI + 6 HCl = 6 KCl + 3 I2 + 2 NO + 4 H2O
K2CO3 + Ba(NO3)2 = K(NO3) + Ba(CO3) =>
K2CO3 + Ba(NO3)2 = 2 K(NO3) + Ba(CO3)
K(g) + H2O(g) = KOH(g) + H2(g) =>
2 K(g) + 2 H2O(g) = 2 KOH(g) + H2(g)
SOCl2 + HI = H2O + HCl + I2 + H2S =>
SOCl2 + 6 HI = H2O + 2 HCl + 3 I2 + H2S
K2Cr2O7 + NH4OH = Cr2O3 + N2 + H2O + KOH =>
K2Cr2O7 + 2 NH4OH = Cr2O3 + N2 + 4 H2O + 2 KOH
MeO + HNO3 = Me(NO3)2 + H2O =>
MeO + 2 HNO3 = Me(NO3)2 + H2O
K[Al(OH)4] + O2 = Al2O3 + KO2 + H2O =>
4 K[Al(OH)4] + 3 O2 = 2 Al2O3 + 4 KO2 + 8 H2O
C3 + O2 = CO2 =>
C3 + 3 O2 = 3 CO2
MgBr2 + H2S = HBr + MgS =>
MgBr2 + H2S = 2 HBr + MgS
Li2O + MgO = Li2Mg + O2 =>
Li2O + MgO = Li2Mg + O2
SrS + K2SO4 = SrSO4 + K2S =>
SrS + K2SO4 = SrSO4 + K2S
CH3CH2CH3Cl2 = CH3CH(Cl)CH3HCl =>
CH3CH2CH3Cl2 = CH3CH(Cl)CH3HCl
KCO3 + H3PO4 = KPO4 + H3CO3 =>
KCO3 + H3PO4 = KPO4 + H3CO3
CaCl2 + K4Fe(CN)6 + NH4OH = KNH4CaFe(CN)6 + KCl + Ca(OH)2 =>
3 CaCl2 + 2 K4Fe(CN)6 + 2 NH4OH = 2 KNH4CaFe(CN)6 + 6 KCl + Ca(OH)2
HClMgOH2 = MgClHOH2 =>
HClMgOH2 = MgClHOH2
PbS2 + Ca(OH)2 = CaS + Pb(OH)4 =>
PbS2 + 2 Ca(OH)2 = 2 CaS + Pb(OH)4
K3PO4 + HBr = KBr + H3PO4 =>
K3PO4 + 3 HBr = 3 KBr + H3PO4
K2CO3 + Br2 = KBr + CO3 =>
K2CO3 + Br2 = 2 KBr + CO3
C + H2O = CH2O =>
C + H2O = CH2O
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