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2 Cr(OH)3 + Na2CO3 = Cr2CO3 + 2 Na(OH)3
MgBr2 + Cl2 = Mg + BrCl =>
MgBr2 + Cl2 = Mg + 2 BrCl
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Na2SO4 + NaOH = Na + SO4(OH)2 =>
Na2SO4 + 2 NaOH = 4 Na + SO4(OH)2
V2O5 + H2SO4 = (VO2)HSO4 + H2O =>
V2O5 + 2 H2SO4 = 2(VO2)HSO4 + H2O
Zn + Au(NO2)2 = Zn(NO2) + Au =>
2 Zn + Au(NO2)2 = 2 Zn(NO2) + Au
HCnO4 + Al(OH)3 = Al(CnO4)3 + H2O =>
3 HCnO4 + Al(OH)3 = Al(CnO4)3 + 3 H2O
Cu + HNo3 = Cu(No3) + H =>
Cu + HNo3 = Cu(No3) + H
HBr + Na2SO3 = HSO3 + Na2Br =>
HBr + Na2SO3 = HSO3 + Na2Br
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Bi + NO3{-} + H{+} = Bi{3+} + NO + H2O =>
Bi + NO3{-} + 4 H{+} = Bi{3+} + NO + 2 H2O
He + O2 = He2O8 =>
2 He + 4 O2 = He2O8
CO2 + Al2O3 = Al2(CO3)3 =>
3 CO2 + Al2O3 = Al2(CO3)3
Fe(OH)2 + AgCl = FeCl2 + Ag2O + H2O =>
Fe(OH)2 + 2 AgCl = FeCl2 + Ag2O + H2O
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
fluorine + KCl = chlorine + KF =>
F2 + 2 KCl = Cl2 + 2 KF
H2SO3 + Br2 + H2O = H2SO4 + HBr =>
H2SO3 + Br2 + H2O = H2SO4 + 2 HBr
Sb2O3 + CaCO3 + TiO2 = CaSb2Ti4O12 + CO2 =>
Sb2O3 + CaCO3 + 4 TiO2 = CaSb2Ti4O12 + CO2
SCN{-} + MnO4{-} + H{+} = (CN)2 + Mn{+2} + SO4{-}2 + H2O =>
10 SCN{-} + 16 MnO4{-} + 48 H{+} = 5(CN)2 + 16 Mn{+2} + 10 SO4{-}2 + 24 H2O
Hg + FeCl3 = FeCl2 + HgCl2 =>
Hg + 2 FeCl3 = 2 FeCl2 + HgCl2
CO(OAg)2 + C2H5J = AgJ + CO(OC2H5)2 =>
CO(OAg)2 + 2 C2H5J = 2 AgJ + CO(OC2H5)2
K3PO4 + MgS = Mg3(PO4)2 + K2S =>
2 K3PO4 + 3 MgS = Mg3(PO4)2 + 3 K2S
S21 = S14 =>
2 S21 = 3 S14
HBr + Na2SO3 = HSO3 + Na2Br =>
HBr + Na2SO3 = HSO3 + Na2Br
K2SO3 + NaBr = K2Br + SO3Na =>
K2SO3 + NaBr = K2Br + SO3Na
ZnS + KMnO4 + KOH = S + K2MnO4 + K2ZnO2 + H2O =>
ZnS + 2 KMnO4 + 4 KOH = S + 2 K2MnO4 + K2ZnO2 + 2 H2O
Al + CuCl2 = Cu + AlCl3 =>
2 Al + 3 CuCl2 = 3 Cu + 2 AlCl3
MSC + HCl = MSCl + CH =>
MSC + HCl = MSCl + CH
Zn(HSO4)2 = ZnSO4 + H2SO4 =>
Zn(HSO4)2 = ZnSO4 + H2SO4
NaHCO3 + CaCl2 + H2O = NaCl + Ca(OH)2 + H2CO3 =>
2 NaHCO3 + CaCl2 + 2 H2O = 2 NaCl + Ca(OH)2 + 2 H2CO3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Al2O3NH3 = NH3Al2O3 =>
Al2O3NH3 = NH3Al2O3
Al2(SO4)3 + BaCl2 = BaSO4 + AlCl3 =>
Al2(SO4)3 + 3 BaCl2 = 3 BaSO4 + 2 AlCl3
C2H2 + Cl2 = C2H2Cl2 =>
C2H2 + Cl2 = C2H2Cl2
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
N2O4 + NaOH = NaNO3 + NO + H2O =>
3 N2O4 + 4 NaOH = 4 NaNO3 + 2 NO + 2 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
KI + NaNO2 + H2O = I2 + KOH + NO + NaOH =>
2 KI + 2 NaNO2 + 2 H2O = I2 + 2 KOH + 2 NO + 2 NaOH
UO2 + NaHCO3 + O2 = UO2CO3 + NaOH =>
2 UO2 + 2 NaHCO3 + O2 = 2 UO2CO3 + 2 NaOH
Na2CO3 + H2SO4 = CO2 + H2O + Na2SO4 =>
Na2CO3 + H2SO4 = CO2 + H2O + Na2SO4
C8H18 = C4H10 + C4H8 =>
C8H18 = C4H10 + C4H8
HBr + Na2SO3 = HSO3 + Na2Br =>
HBr + Na2SO3 = HSO3 + Na2Br
SO = SO2S2O =>
3 SO = SO2S2O
ZnS + HCl = ZnCl2 + H2S =>
ZnS + 2 HCl = ZnCl2 + H2S
ZnCl2 + (NH4)2SO3 = ZnSO3 + (NH4)Cl =>
ZnCl2 + (NH4)2SO3 = ZnSO3 + 2(NH4)Cl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cr2O7{-2} + Hg + H2SO4 + H{+} = Hg2SO4 + Cr{+3} + H2O =>
Cr2O7{-2} + 6 Hg + 3 H2SO4 + 8 H{+} = 3 Hg2SO4 + 2 Cr{+3} + 7 H2O
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