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4 FeS2 + 2 H2O + 15 O2 = 2 Fe2(SO4)3 + 2 H2SO4
(N2O5) + H2O = HNO3 =>
(N2O5) + H2O = 2 HNO3
Ag2S + NaCl = AgCl + Na2S =>
Ag2S + 2 NaCl = 2 AgCl + Na2S
H2SO4 + Al(OH)3 = Al2(SO4)3 + H(OH) =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H(OH)
H2O + H2C2O4 = H2CO3 + H =>
2 H2O + H2C2O4 = 2 H2CO3 + 2 H
NH4Cl + H2SO4 = (NH4)2SO4 + HCl =>
2 NH4Cl + H2SO4 = (NH4)2SO4 + 2 HCl
CH3OH + CUO = HCOH + CU + H2O =>
CH3OH + CUO = HCOH + CU + H2O
Zn + Au(NO2)3 = Zn(NO2)3 + Au =>
Zn + Au(NO2)3 = Zn(NO2)3 + Au
CH2O = C + H + O =>
CH2O = C + 2 H + O
(CH3)2NH + H2O = (CH3)2NH2{+} + OH{-} =>
(CH3)2NH + H2O = (CH3)2NH2{+} + OH{-}
Hg2Cl2 + H2O = HgOH + HCl =>
Hg2Cl2 + 2 H2O = 2 HgOH + 2 HCl
MnBr2 + Na2CO3 = NaBr + MnCO3 =>
MnBr2 + Na2CO3 = 2 NaBr + MnCO3
KC1O3 = KC1O4 + KC1 =>
4 KC1O3 = 3 KC1O4 + KC1
HN3 + H2O = N3 + H3O =>
HN3 + H2O = N3 + H3O
CuSO4 + H2S = CuS + H2SO4 =>
CuSO4 + H2S = CuS + H2SO4
Cr2O3 + KOH = Cr(OH)3 + K2O =>
Cr2O3 + 6 KOH = 2 Cr(OH)3 + 3 K2O
CaS + Cl2 = S + CaCl2 =>
CaS + Cl2 = S + CaCl2
ZnBr2 + HOH = ZnOH + HBr2 =>
ZnBr2 + HOH = ZnOH + HBr2
HB(aq) + O2(g) = HBO2(aq) =>
HB(aq) + O2(g) = HBO2(aq)
NO + O2 = N2O3 =>
4 NO + O2 = 2 N2O3
Pb(NO3)2 + K2CrO4(aq) = PbCrO4(s) + KNO3 =>
Pb(NO3)2 + K2CrO4(aq) = PbCrO4(s) + 2 KNO3
Na2CO3(aq) + H2O(l) = H2CO3 + NaOH =>
Na2CO3(aq) + 2 H2O(l) = H2CO3 + 2 NaOH
Cl + Ca(NO3)2 = CaCl2 + NO3 =>
2 Cl + Ca(NO3)2 = CaCl2 + 2 NO3
Zn + KNO2 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
3 Zn + KNO2 + 5 KOH + 5 H2O = 3 K2[Zn(OH)4] + NH3
AgNO3 + KH2PO4 = Ag3PO4 + KNO3 + HNO3 =>
3 AgNO3 + KH2PO4 = Ag3PO4 + KNO3 + 2 HNO3
CH3CH2 + O2 = CH3CHO + H2O =>
4 CH3CH2 + 3 O2 = 4 CH3CHO + 2 H2O
Sb2O5 + Bi2O3 = BiSbO4 =>
Sb2O5 + Bi2O3 = 2 BiSbO4
NOCl + O2 = N2O4 + Cl2 =>
2 NOCl + O2 = N2O4 + Cl2
FeCl3 + K2CrO4 = Fe2(CrO4)3 + KCl =>
2 FeCl3 + 3 K2CrO4 = Fe2(CrO4)3 + 6 KCl
NH4 + CN = NH3 + HCN =>
NH4 + CN = NH3 + HCN
KBr + Ba(NO3)2 = K(NO3) + BaBr2 =>
2 KBr + Ba(NO3)2 = 2 K(NO3) + BaBr2
IO3{-} + HSO3{-} = I{-} + SO4{2-} + H{+} =>
IO3{-} + 3 HSO3{-} = I{-} + 3 SO4{2-} + 3 H{+}
Al2(SO4)3 + NaHCO3 = Al(OH)3 + Na2SO4 + CO2 =>
Al2(SO4)3 + 6 NaHCO3 = 2 Al(OH)3 + 3 Na2SO4 + 6 CO2
CH3CH(CH3)CH2OH + KMnO4 = CH3CH(CH3)COOH + MnO2 + H2O + KOH =>
3 CH3CH(CH3)CH2OH + 4 KMnO4 = 3 CH3CH(CH3)COOH + 4 MnO2 + H2O + 4 KOH
V + S = V2S3 =>
2 V + 3 S = V2S3
FeS2 + O2 + H2O = Fe2O3 + H2SO4 =>
4 FeS2 + 15 O2 + 8 H2O = 2 Fe2O3 + 8 H2SO4
KI + O3 = KO2 + I2 =>
6 KI + 4 O3 = 6 KO2 + 3 I2
AlF3 + K3PO4 = AlPO4 + KF =>
AlF3 + K3PO4 = AlPO4 + 3 KF
P(s) + Cl2(g) = PCl5(s) =>
2 P(s) + 5 Cl2(g) = 2 PCl5(s)
Nd2O3 + Ta2O5 = NdTa7O19 =>
Nd2O3 + 7 Ta2O5 = 2 NdTa7O19
S8 + BaO = Ba8S2 + O2 =>
S8 + 32 BaO = 4 Ba8S2 + 16 O2
C9H7N + O2 = CO2 + H2O + N2 =>
4 C9H7N + 43 O2 = 36 CO2 + 14 H2O + 2 N2
Fe + Cu(NO3)2 = Fe(NO3)3 + Cu =>
2 Fe + 3 Cu(NO3)2 = 2 Fe(NO3)3 + 3 Cu
K2SO4 + H3PO4 = K3PO4 + H2SO4 =>
3 K2SO4 + 2 H3PO4 = 2 K3PO4 + 3 H2SO4
Pb(CH3COO)2 + Na2SO4 = PbSO4 + NaCH3COO =>
Pb(CH3COO)2 + Na2SO4 = PbSO4 + 2 NaCH3COO
Co(NO3)2(aq) + NaBr(aq) = NaNO3(aq) + CoBr2(aq) =>
Co(NO3)2(aq) + 2 NaBr(aq) = 2 NaNO3(aq) + CoBr2(aq)
NaOH + CH3COOH = Na(CH3COO) + H2O =>
NaOH + CH3COOH = Na(CH3COO) + H2O
Mn + C = Mn3C =>
3 Mn + C = Mn3C
AsH3 + K2Cr2O7 + H2SO4 = H3AsO4 + Cr2(SO4) + K2SO4 + H2O =>
5 AsH3 + 4 K2Cr2O7 + 8 H2SO4 = 5 H3AsO4 + 4 Cr2(SO4) + 4 K2SO4 + 8 H2O
NO2 + Al = Al2O3 + N2O =>
2 NO2 + 2 Al = Al2O3 + N2O
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