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Pb + 2 BaS = PbS2 + 2 Ba
C + HNO3 + H2O = H2CO3 + NO =>
3 C + 4 HNO3 + H2O = 3 H2CO3 + 4 NO
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Fe(OH)2 + Na2SO4 = FeSO4 + NaOH =>
Fe(OH)2 + Na2SO4 = FeSO4 + 2 NaOH
C2H2O2 + O = CO2 + H2O =>
C2H2O2 + 3 O = 2 CO2 + H2O
NO + H2O + O2 = HNO3 =>
4 NO + 2 H2O + 3 O2 = 4 HNO3
H4P2O5 + AgOH = Ag4P2O5 + H2O =>
H4P2O5 + 4 AgOH = Ag4P2O5 + 4 H2O
CaO + F = CaF2 + O2 =>
2 CaO + 4 F = 2 CaF2 + O2
NO + O2 + H2O = HNO3 =>
4 NO + 3 O2 + 2 H2O = 4 HNO3
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
K2SO4 + Pb(ClO4)2 = KClO4 + Pb(SO4) =>
K2SO4 + Pb(ClO4)2 = 2 KClO4 + Pb(SO4)
CH3(CH2)2CH3 + O2(g) = CO2(g) + H2O(g) =>
2 CH3(CH2)2CH3 + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
SnCl2 + NH3 + H2O = Sn(OH)2 + NH4Cl =>
SnCl2 + 2 NH3 + 2 H2O = Sn(OH)2 + 2 NH4Cl
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Bi(OH) + Na2SnO2 = Na2SnO3 + Bi + H2O =>
2 Bi(OH) + Na2SnO2 = Na2SnO3 + 2 Bi + H2O
LiHCO3(aq) + CH3COOH(aq) = LiCH3COO(aq) + H2O(l) + CO2 =>
LiHCO3(aq) + CH3COOH(aq) = LiCH3COO(aq) + H2O(l) + CO2
KMnO4 + K2SO3 + H2O = MnO2 + H2SO4 + KOH =>
2 KMnO4 + 3 K2SO3 + 7 H2O = 2 MnO2 + 3 H2SO4 + 8 KOH
NH3 + H2SO4 = (NH4)2 + SO4 =>
2 NH3 + H2SO4 = (NH4)2 + SO4
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
KCl + F2 = KF + Cl2 =>
2 KCl + F2 = 2 KF + Cl2
KCl + Na2(SO4) = K2(SO4) + NaCl =>
2 KCl + Na2(SO4) = K2(SO4) + 2 NaCl
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Al + C2O3 = Al2O3 + C =>
2 Al + C2O3 = Al2O3 + 2 C
Ca(OH)2 + NH4Cl = Ca(Cl)2 + H2O + NH3 =>
Ca(OH)2 + 2 NH4Cl = Ca(Cl)2 + 2 H2O + 2 NH3
Sn(NO2)4 + Pt3N4 = Sn3N4 + Pt(NO2)4 =>
3 Sn(NO2)4 + Pt3N4 = Sn3N4 + 3 Pt(NO2)4
HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + 2 H2O(l)
C2H4 + CH3COOH = CH2CHOOCCH3 + H2O =>
C2H4 + 3 CH3COOH = 2 CH2CHOOCCH3 + 2 H2O
NaOH + S2 = Na2S2O3 + Na2S + H2O =>
6 NaOH + 2 S2 = Na2S2O3 + 2 Na2S + 3 H2O
NaBr + Al(OH)3 = AlBr3 + NaOH =>
3 NaBr + Al(OH)3 = AlBr3 + 3 NaOH
CuH + KSO4 = KH + CuSO4 =>
CuH + KSO4 = KH + CuSO4
AgNO3 = Ag + N2 + O2 =>
2 AgNO3 = 2 Ag + N2 + 3 O2
ZnBr2 = Zn + Br2 =>
ZnBr2 = Zn + Br2
Ba(s) + F2(g) = BaF2(s) =>
Ba(s) + F2(g) = BaF2(s)
Al + Ag2S + NaCl = Ag + Na + AlSCl =>
Al + Ag2S + NaCl = 2 Ag + Na + AlSCl
K2Cr2O7 + Mg(OH)2 = KOH + MgCr2O7 =>
K2Cr2O7 + Mg(OH)2 = 2 KOH + MgCr2O7
Fe(NO3)3 + HgCl2 + H2O = Hg(OH)2 + FeCl3 + HNO3 =>
2 Fe(NO3)3 + 3 HgCl2 + 6 H2O = 3 Hg(OH)2 + 2 FeCl3 + 6 HNO3
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Ca3N2 + H2O = CaO2H2 + NH3 =>
Ca3N2 + 6 H2O = 3 CaO2H2 + 2 NH3
CH3Br + Mg2 = MgCH3Br =>
2 CH3Br + Mg2 = 2 MgCH3Br
Zn + KOH + H2O = K2[Zn(OH)6] + H2 =>
Zn + 2 KOH + 4 H2O = K2[Zn(OH)6] + 2 H2
Cu3(SO4)2 + Na2S = CuS + Na3SO4 =>
Cu3(SO4)2 + 3 Na2S = 3 CuS + 2 Na3SO4
(ZnOH)2SO4 = Zn(OH)2 + ZnSO4 =>
(ZnOH)2SO4 = Zn(OH)2 + ZnSO4
KMnO4 + HNO3 = MnO4 + MnO2 + KNO3 + H2O =>
4 KMnO4 + 4 HNO3 = 3 MnO4 + MnO2 + 4 KNO3 + 2 H2O
Co9S8 + NaOH + NaClO3 = CoO + NaCl + Na2SO4 + H2O =>
Co9S8 + 16 NaOH + 11 NaClO3 = 9 CoO + 11 NaCl + 8 Na2SO4 + 8 H2O
Al + FeO4 = AlO2 + Fe =>
2 Al + FeO4 = 2 AlO2 + Fe
MnO2 + HCl + KI = I2 + Mn + H2O + KCl =>
MnO2 + 4 HCl + 4 KI = 2 I2 + Mn + 2 H2O + 4 KCl
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