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Fe + 2 SO2 = FeS + SO4
Ca(OH)2 + SO2 = CaSO4 + H2 =>
Ca(OH)2 + SO2 = CaSO4 + H2
H2SO4 + Cu2 = SO2 + CuSO4 + H2O =>
4 H2SO4 + Cu2 = 2 SO2 + 2 CuSO4 + 4 H2O
AgH + HClO = Cl2 + H2O + AgClO =>
AgH + 3 HClO = Cl2 + 2 H2O + AgClO
Cl2 + K2S = S2 + K2Cl =>
Cl2 + 2 K2S = S2 + 2 K2Cl
PbBr2 + Cl2 = PbCl2 + Br2 =>
PbBr2 + Cl2 = PbCl2 + Br2
NaOCl(aq) + NaI(aq) + HC2H3O2(aq) = I2(s) + NaCl(aq) + NaC2H3O2(aq) + H2O(l) =>
NaOCl(aq) + 2 NaI(aq) + 2 HC2H3O2(aq) = I2(s) + NaCl(aq) + 2 NaC2H3O2(aq) + H2O(l)
Br2 + H2O + SO2 = HBr + H2SO4 =>
Br2 + 2 H2O + SO2 = 2 HBr + H2SO4
Ni(NO3)2 + MgSO4 = NiSO4 + Mg(NO3)2 =>
Ni(NO3)2 + MgSO4 = NiSO4 + Mg(NO3)2
K4FeC6N6 + KMnO4 + H2SO4 = KHSO4 + Fe2S3O4 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4FeC6N6 + 106 KMnO4 + 267 H2SO4 = 146 KHSO4 + 5 Fe2S3O4 + 106 MnSO4 + 60 HNO3 + 60 CO2 + 164 H2O
HgCl2 + NaI = HgI + NaCl2 =>
HgCl2 + NaI = HgI + NaCl2
Na2S + HNO3 = Na2NO3 + H2O + S + NO =>
3 Na2S + 4 HNO3 = 3 Na2NO3 + 2 H2O + 3 S + NO
(CH3)2CO + NaOH + I2 = CH3COONa + CH3I + H2O =>
6(CH3)2CO + 5 NaOH + 4 I2 = 5 CH3COONa + 8 CH3I + H2O
CaCO3 + Na2EDTA = Ca(EDTA) + Na2CO3 =>
CaCO3 + Na2EDTA = Ca(EDTA) + Na2CO3
Cr{+3} + ClO3{-} + H2O = ClO2 + Cr2O7{-2} + H{+} =>
2 Cr{+3} + 6 ClO3{-} + H2O = 6 ClO2 + Cr2O7{-2} + 2 H{+}
K2SO4 + CaH2 = KH + CaSO4 =>
K2SO4 + CaH2 = 2 KH + CaSO4
C6H10O2(aq) + O2(g) = CO2(g) + H2O(l) =>
2 C6H10O2(aq) + 15 O2(g) = 12 CO2(g) + 10 H2O(l)
Cs(s) + H2(g) = CsH =>
2 Cs(s) + H2(g) = 2 CsH
HCl + K2SiO4 = H2SiO4 + KCl =>
2 HCl + K2SiO4 = H2SiO4 + 2 KCl
K2Cr2O7 + NH4OH = Cr2O3 + N2 + KOH + H2O =>
K2Cr2O7 + 2 NH4OH = Cr2O3 + N2 + 2 KOH + 4 H2O
Cr2S3 + KOH + KClO3 = K2CrO4 + K2SO4 + KCl + H2O =>
Cr2S3 + 10 KOH + 5 KClO3 = 2 K2CrO4 + 3 K2SO4 + 5 KCl + 5 H2O
CuCl2 + K2(CrO3) = Cu(CrO3) + KCl =>
CuCl2 + K2(CrO3) = Cu(CrO3) + 2 KCl
Br2 + NH3 + NaOH = NaBr + N2 + H2O =>
3 Br2 + 2 NH3 + 6 NaOH = 6 NaBr + N2 + 6 H2O
MnO4{-} + C2O4{2-} + H{+} = Mn{2} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2} + 10 CO2 + 8 H2O
KMnO4 + K2[Fe(CN)6] + H2SO4 = K[Fe(CN)6] + MnSO4 + K2SO4 + H2O =>
KMnO4 + 5 K2[Fe(CN)6] + 4 H2SO4 = 5 K[Fe(CN)6] + MnSO4 + 3 K2SO4 + 4 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Rh + H3N = Rh3N4 + H2 =>
3 Rh + 4 H3N = Rh3N4 + 6 H2
AgBr + H3PO4 = Ag3PO4 + HBr =>
3 AgBr + H3PO4 = Ag3PO4 + 3 HBr
FeSO4 + KOH = Fe(OH)2 + K2SO4 =>
FeSO4 + 2 KOH = Fe(OH)2 + K2SO4
Mercury(II)Chlorate + SodiumDichromate = Mercury(II)Dichromate + SodiumChlorate =>
Mercury(II)Chlorate + SodiumDichromate = Mercury(II)Dichromate + SodiumChlorate
Ru + Br = RuBr3 =>
Ru + 3 Br = RuBr3
Cr(C2H3O2)3 + K2C2O4 = Cr2(C2O4)3 + KC2H3O2 =>
2 Cr(C2H3O2)3 + 3 K2C2O4 = Cr2(C2O4)3 + 6 KC2H3O2
Cr2(SO4)3 + NaOH + Br2 = Na2CrO4 + Na2SO4 + NaBr + H2O =>
Cr2(SO4)3 + 16 NaOH + 3 Br2 = 2 Na2CrO4 + 3 Na2SO4 + 6 NaBr + 8 H2O
H4P2O7 + Cu = H2 + Cu4P2O7 =>
H4P2O7 + 4 Cu = 2 H2 + Cu4P2O7
Zn + ClO = ZnCl2 + O =>
Zn + 2 ClO = ZnCl2 + 2 O
Pb + NH4NO3 = Pb(NO3)2 + H2O + N2 =>
Pb + 6 NH4NO3 = Pb(NO3)2 + 12 H2O + 5 N2
C2H5OH + Cu(OH)2 = Cu2O + H2O + C2H5CHO =>
3 C2H5OH + 4 Cu(OH)2 = 2 Cu2O + 7 H2O + 2 C2H5CHO
Se + PbSO4 = Se2SO4 + Pb =>
2 Se + PbSO4 = Se2SO4 + Pb
LiOH + Cu(NO3)2 = Cu(OH)2 + Li(NO3) =>
2 LiOH + Cu(NO3)2 = Cu(OH)2 + 2 Li(NO3)
CrCl3 + NaClO + NaOH = NaCl + Na2CrO4 + H2O =>
2 CrCl3 + 3 NaClO + 10 NaOH = 9 NaCl + 2 Na2CrO4 + 5 H2O
Ag + Au2SO4 = Ag2SO4 + Au =>
2 Ag + Au2SO4 = Ag2SO4 + 2 Au
HOCH2CHOHCH2OH + H3CCOOH = H2O + HOCH2CHOHCH2OOCCH3 =>
HOCH2CHOHCH2OH + H3CCOOH = H2O + HOCH2CHOHCH2OOCCH3
Cr + Na3PO3 = Cr(PO3)6 + Na =>
Cr + 6 Na3PO3 = Cr(PO3)6 + 18 Na
Ag3P + O2 = Ag2O + P =>
4 Ag3P + 3 O2 = 6 Ag2O + 4 P
FeCO2 = Fe + CO2 =>
FeCO2 = Fe + CO2
Pb + HClO4 = PbClO4 + H =>
Pb + HClO4 = PbClO4 + H
(NH4)2CO3 + Fe2(SO4)3 = (NH4)2SO4 + Fe2(CO3)3 =>
3(NH4)2CO3 + Fe2(SO4)3 = 3(NH4)2SO4 + Fe2(CO3)3
CaS + H2O2 = CaSO4 + H2O =>
CaS + 4 H2O2 = CaSO4 + 4 H2O
HClO4 + Co = CoClO4 + H2 =>
2 HClO4 + 2 Co = 2 CoClO4 + H2
Na + NaNO3 = N2 + Na2O =>
10 Na + 2 NaNO3 = N2 + 6 Na2O
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