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K2S + Fe(NO3)2 = 2 KNO3 + FeS
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
SnS + K2S + O2 + H2O = K2SnS3 + K2Sn(OH)6 =>
6 SnS + 6 K2S + 3 O2 + 6 H2O = 4 K2SnS3 + 2 K2Sn(OH)6
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
C2H4O + C2H6O = C6H14O2 + H2O =>
C2H4O + 2 C2H6O = C6H14O2 + H2O
NaOH + C = CO + NaH =>
NaOH + C = CO + NaH
Na2CO3 + H2SO4 = Na2SO4 + H2CO3 =>
Na2CO3 + H2SO4 = Na2SO4 + H2CO3
HCl + HCO3 = Cl + H2CO3 =>
HCl + HCO3 = Cl + H2CO3
HCl + LiOH = LiCl + H2O =>
HCl + LiOH = LiCl + H2O
Fe2 + PBI2 = PB + Fe2I2 =>
Fe2 + PBI2 = PB + Fe2I2
C2H3Br + O2 = CO2 + H2O + HBr =>
2 C2H3Br + 5 O2 = 4 CO2 + 2 H2O + 2 HBr
KOH + HNO3 = KOHNO3 + H2 =>
2 KOH + 2 HNO3 = 2 KOHNO3 + H2
MgHPO4 + NH4OH = NH4MgPO4 + H2O =>
MgHPO4 + NH4OH = NH4MgPO4 + H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
K2[Zn(OH)4] + HCl = Zn(OH)2 + H2O + KCl =>
K2[Zn(OH)4] + 2 HCl = Zn(OH)2 + 2 H2O + 2 KCl
Cu2O + H2(SO4) = H2O + Cu2(SO4) =>
Cu2O + H2(SO4) = H2O + Cu2(SO4)
Al3 + Br3 = AlBr =>
Al3 + Br3 = 3 AlBr
PCl5 + H2 = PH3 + HCl =>
PCl5 + 4 H2 = PH3 + 5 HCl
C4H8 + HBr = C4H7Br + H =>
C4H8 + HBr = C4H7Br + 2 H
FeCl3 + SnCl2 = FeCl2 + SnCl4 =>
2 FeCl3 + SnCl2 = 2 FeCl2 + SnCl4
P4O10 + MgO = Mg3(PO4)2 =>
P4O10 + 6 MgO = 2 Mg3(PO4)2
C3H6(OH)2 + HBr = C3H6Br2 + H2O =>
C3H6(OH)2 + 2 HBr = C3H6Br2 + 2 H2O
CH2CHCH3 + KMnO4 + H2O = CH3CHOHCH2OH + KOH + MnO2 =>
3 CH2CHCH3 + 2 KMnO4 + 4 H2O = 3 CH3CHOHCH2OH + 2 KOH + 2 MnO2
Hg2CO3 + Au = AuCO3 + Hg2 =>
Hg2CO3 + Au = AuCO3 + Hg2
Fe2(SO4)3 + PO4 = FePO4 + SO4 =>
Fe2(SO4)3 + 2 PO4 = 2 FePO4 + 3 SO4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
I2(aq) + e = I{-}(aq) =>
I2(aq) + 2e = 2 I{-}(aq)
Zn + H3PO4 = Zn3(PO4)2 + H2 =>
3 Zn + 2 H3PO4 = Zn3(PO4)2 + 3 H2
HOOCCOOH + OH = HOOCCOO + H2O =>
HOOCCOOH + OH = HOOCCOO + H2O
Fe(s) + CuNo3(aq) = Cu(s) + Fe(No3)2(aq) =>
Fe(s) + 2 CuNo3(aq) = 2 Cu(s) + Fe(No3)2(aq)
CuSO4 + SrCl2 = CuCl + Sr2 + (SO4)2 =>
4 CuSO4 + 2 SrCl2 = 4 CuCl + Sr2 + 2(SO4)2
NO + O2 = NO2 = =>
2 NO + O2 = 2 NO2
P4 + HH2 = PH3 =>
P4 + 4 HH2 = 4 PH3
C2H6S + O2 = CO2 + H2O + SO2 =>
2 C2H6S + 9 O2 = 4 CO2 + 6 H2O + 2 SO2
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
C5H5(l) + Fe(s) = Fe(C5H5)2 =>
2 C5H5(l) + Fe(s) = Fe(C5H5)2
KClO3 + Al = Al2O3 + KCl =>
KClO3 + 2 Al = Al2O3 + KCl
AlCl3 + KOH = Al(OH)3 + KCl =>
AlCl3 + 3 KOH = Al(OH)3 + 3 KCl
SiO2 + Al2O3 = SiAl2O5 =>
SiO2 + Al2O3 = SiAl2O5
K + H2O = H2 + KOH =>
2 K + 2 H2O = H2 + 2 KOH
NaNO3 + KClO3 = NaClO3 + KNO3 =>
NaNO3 + KClO3 = NaClO3 + KNO3
NaOH + H2504 = Na5O0 + H2O =>
12520 NaOH + 3 H2504 = 2504 Na5O0 + 10016 H2O
FeO + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeO + 4 H2SO4 = Fe2(SO4)3 + 4 H2O + SO2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Al + NaOH = Al2(NaOH) =>
2 Al + NaOH = Al2(NaOH)
Ba(OH)2 + I2 = Ba(IO3)2 + BaI2 + H2O =>
6 Ba(OH)2 + 6 I2 = Ba(IO3)2 + 5 BaI2 + 6 H2O
HSO3FAsF5 + H2SO4 = AsF3 + HSO3F + HF + OF2 =>
2 HSO3FAsF5 + H2SO4 = 2 AsF3 + 3 HSO3F + HF + OF2
KMnO4 + CaCO3 = Ca(MnO4)2 + K2CO3 =>
2 KMnO4 + CaCO3 = Ca(MnO4)2 + K2CO3
CH3COOC6H5 + NaOH = C6H5OH + CH3COONa =>
CH3COOC6H5 + NaOH = C6H5OH + CH3COONa
NaF + SiO2 + H2SO4 = H2SiF6 + H2O + Na2SO4 =>
6 NaF + SiO2 + 3 H2SO4 = H2SiF6 + 2 H2O + 3 Na2SO4
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