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4 SO2 + 8 NaOH = 3 Na2SO4 + Na2S + 4 H2O
CHOH + KMnO4 + H2SO4 = CHOOH + K2SO4 + MnSO4 + H2O =>
5 CHOH + 2 KMnO4 + 3 H2SO4 = 5 CHOOH + K2SO4 + 2 MnSO4 + 3 H2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
H2O2 + H2SO4 + KBr = K2SO4 + H2O + Br =>
H2O2 + H2SO4 + 2 KBr = K2SO4 + 2 H2O + 2 Br
C6H5OH + NaOH = C6H5ONa + H2O =>
C6H5OH + NaOH = C6H5ONa + H2O
CuO + C4H10O = C3H6O + Cu + H2O =>
4 CuO + 3 C4H10O = 4 C3H6O + 4 Cu + 3 H2O
*Al2(SiO3)3 + HI = AlI3 + H2SiO3 =>
*Al2(SiO3)3 + 6 HI = 2 AlI3 + 3 H2SiO3
Al2O3(s) + HCl(aq) = H2O(l) + AlCl3 =>
Al2O3(s) + 6 HCl(aq) = 3 H2O(l) + 2 AlCl3
NaNO2 + H2SO4 + Na2Cr2O7 = Cr2(SO4)3 + NaNO3 + H2O + Na2SO4 =>
3 NaNO2 + 4 H2SO4 + Na2Cr2O7 = Cr2(SO4)3 + 3 NaNO3 + 4 H2O + Na2SO4
NaCN + CH3COOH = CH3COONa + HCN =>
NaCN + CH3COOH = CH3COONa + HCN
Fe(No3)3 + NaOH = Fe(OH)3 + Na(No3) =>
Fe(No3)3 + 3 NaOH = Fe(OH)3 + 3 Na(No3)
Si + O = SiO =>
Si + O = SiO
BaSO4 + HCl = BaCl2 + H2SO4 =>
BaSO4 + 2 HCl = BaCl2 + H2SO4
C6H5Br + HBr = C6H4Br2 + H2 =>
C6H5Br + HBr = C6H4Br2 + H2
Fe + SiO2 = FeSi + O2 =>
Fe + SiO2 = FeSi + O2
BaCl2 + K2(CO3) = Ba(CO3) + KCl =>
BaCl2 + K2(CO3) = Ba(CO3) + 2 KCl
SO3 = S + O2 =>
2 SO3 = 2 S + 3 O2
Na2SO4(aq) + CaCO3(aq) = Na2CO3(aq) + CaSO4(aq) =>
Na2SO4(aq) + CaCO3(aq) = Na2CO3(aq) + CaSO4(aq)
Ba(NO3)2 + HI = BaI2 + HNO3 =>
Ba(NO3)2 + 2 HI = BaI2 + 2 HNO3
Cr(OH3) + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Cr(OH3) + 7 Br2 + 18 NaOH = 2 Na2CrO4 + 14 NaBr + 12 H2O
ZnCl2 + NaOH = NaCl + Na2ZnO2 + H2O =>
ZnCl2 + 4 NaOH = 2 NaCl + Na2ZnO2 + 2 H2O
H3BO3 = H2O + H4B6O11 =>
6 H3BO3 = 7 H2O + H4B6O11
PbS + H2O = PbSO4 + H =>
PbS + 4 H2O = PbSO4 + 8 H
K2CrO4 + K2S + H2SO4 = KHSO4 + Cr(SO3)3 + H2O =>
4 K2CrO4 + 3 K2S + 23 H2SO4 = 14 KHSO4 + 4 Cr(SO3)3 + 16 H2O
Cr2SO4 + (NH4)2CO3 = Cr2CO3 + (NH4)2SO4 =>
Cr2SO4 + (NH4)2CO3 = Cr2CO3 + (NH4)2SO4
HCl + HNO3 = HClO3 + NO2 + H2O =>
HCl + 6 HNO3 = HClO3 + 6 NO2 + 3 H2O
BaO + Al = Al2O + Ba =>
BaO + 2 Al = Al2O + Ba
Cr(OH3) + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Cr(OH3) + 7 Br2 + 18 NaOH = 2 Na2CrO4 + 14 NaBr + 12 H2O
AgNO3 + H2S = H2NO3 + AgS =>
AgNO3 + H2S = H2NO3 + AgS
C3H5O2Na + H2O = C2H6 + CO2 + NaOH =>
C3H5O2Na + H2O = C2H6 + CO2 + NaOH
K2O + Al2O3 + SiO2 = KAlSi3O8 =>
K2O + Al2O3 + 6 SiO2 = 2 KAlSi3O8
HON(SO3Na)2 + H2O = Na2SO4 + NH3OH2SO4 =>
HON(SO3Na)2 + 2 H2O = Na2SO4 + NH3OH2SO4
AgNO3 + HI = HINO3 + Ag =>
AgNO3 + HI = HINO3 + Ag
S{8+} + F{2+} = S + F{6} =>
S{8+} + 2 F{2+} = S + 2 F{6}
HgS + Ba(NO3)2 = BaS + Hg(NO3)2 =>
HgS + Ba(NO3)2 = BaS + Hg(NO3)2
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
HgS + Ba(NO3)2 = BaS + Hg(NO3)2 =>
HgS + Ba(NO3)2 = BaS + Hg(NO3)2
H2SO4 + HI = H2S + I2H2O =>
H2SO4 + 8 HI = H2S + 4 I2H2O
CaCl{+2} + KOH = Ca(OH){+2} + KCl =>
CaCl{+2} + KOH = Ca(OH){+2} + KCl
Na3PO4 + HF = NaF + H3PO4 =>
Na3PO4 + 3 HF = 3 NaF + H3PO4
LiBr + NaNO3 = LiNO3 + NaBr =>
LiBr + NaNO3 = LiNO3 + NaBr
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
KOH + Cl2 = KCl + HClO =>
KOH + Cl2 = KCl + HClO
BaSO4 + C = BaS + CO =>
BaSO4 + 4 C = BaS + 4 CO
C12H12O2 + O2 = CO2 + H2O =>
C12H12O2 + 14 O2 = 12 CO2 + 6 H2O
Na2CO3 + HCl = NaCl + H2O + CO2(g) =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2(g)
KOH + P2O5 = H2O + K3PO4 =>
6 KOH + P2O5 = 3 H2O + 2 K3PO4
Cu + Na2SO4 = CuSO4 + Na =>
Cu + Na2SO4 = CuSO4 + 2 Na
Al + Fe2O3 = Fe + Al2O3 =>
2 Al + Fe2O3 = 2 Fe + Al2O3
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
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