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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
PdO + HNO3 = Pd(NO3)2 + H2O =>
PdO + 2 HNO3 = Pd(NO3)2 + H2O
Ca(NO3)2 + CuCl = CaCl2 + Cu(NO3) =>
Ca(NO3)2 + 2 CuCl = CaCl2 + 2 Cu(NO3)
C2H6O + Cu(OH)2 = CH3COOH + Cu2O + H2O =>
C2H6O + 4 Cu(OH)2 = CH3COOH + 2 Cu2O + 5 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
C6H6S + O2 = CO2 + H2O + SO3 =>
C6H6S + 9 O2 = 6 CO2 + 3 H2O + SO3
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
Ca(C2H3O2)2 + AlPO4 = Al(C2H3O2)3 + Ca3(PO4)2 =>
3 Ca(C2H3O2)2 + 2 AlPO4 = 2 Al(C2H3O2)3 + Ca3(PO4)2
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
Cu2S + NO3{-} + H{+} = Cu2{+} + SO42{+} + NO + H2O =>
3 Cu2S + 86 NO3{-} + 92 H{+} = 3 Cu2{+} + 3 SO42{+} + 86 NO + 46 H2O
Sn + HNO3 + H2O = H2SnO3 + NO =>
3 Sn + 4 HNO3 + H2O = 3 H2SnO3 + 4 NO
HClO4(l) = H2(g) + Cl2(g) + O2(g) =>
2 HClO4(l) = H2(g) + Cl2(g) + 4 O2(g)
Zn + O2 = ZnO(s) =>
2 Zn + O2 = 2 ZnO(s)
Li2O(s) + H2O(i) = LiOH(ac) =>
Li2O(s) + H2O(i) = 2 LiOH(ac)
KSBaN = KNBaS =>
KSBaN = KNBaS
Fe4Si3 + Ba = Ba4Si2 + Fe =>
2 Fe4Si3 + 12 Ba = 3 Ba4Si2 + 8 Fe
Al + ZnBr = Zn + BrAl =>
Al + ZnBr = Zn + BrAl
Mg + HSO4 = H2 + MgSO4 =>
2 Mg + 2 HSO4 = H2 + 2 MgSO4
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
NH3 + CH3COOH = CH3COOHNH3 =>
NH3 + CH3COOH = CH3COOHNH3
MgC2O4Li = MgLiC2O4 =>
MgC2O4Li = MgLiC2O4
NaCl + (UO2)(CH3COO)2 + CH3COOH = Na(UO2)(CH3COO)3 + HCl =>
NaCl + (UO2)(CH3COO)2 + CH3COOH = Na(UO2)(CH3COO)3 + HCl
Ca3(PO4)2 + C2H8N2O4 = CaC2O4 + (NH4)3PO4 =>
Ca3(PO4)2 + 3 C2H8N2O4 = 3 CaC2O4 + 2(NH4)3PO4
SO2 + PB(NO3)2 = PBS + NO2 + O2 =>
SO2 + PB(NO3)2 = PBS + 2 NO2 + 2 O2
C3H8 + O2 = CO + H2O =>
2 C3H8 + 7 O2 = 6 CO + 8 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C3H4 = H3CCCH =>
C3H4 = H3CCCH
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
C2H6O2 + O2 = CO2 + H2O =>
2 C2H6O2 + 5 O2 = 4 CO2 + 6 H2O
B2H6 + NaOH = NaBH4 + O2 =>
B2H6 + 2 NaOH = 2 NaBH4 + O2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
(Fe(OH)3) + H2SO4 = Fe2(SO4)3 + H2O =>
2(Fe(OH)3) + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
ZnSO4 + NH4OH = (NH4)2SO4 + Zn(OH)2 =>
ZnSO4 + 2 NH4OH = (NH4)2SO4 + Zn(OH)2
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
Al(ClO3)3 = AlCl3 + O2 =>
2 Al(ClO3)3 = 2 AlCl3 + 9 O2
CaCO3 + HCl(aq) = CaCl2(aq) + CO2(g) + H2O =>
CaCO3 + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O
CH3NH2 + HNO3 = CH3OH + N2 + H2O =>
5 CH3NH2 + 3 HNO3 = 5 CH3OH + 4 N2 + 4 H2O
Cr(OH)4 + ClO = CrO4 + Cl + OH =>
Cr(OH)4 + 4 ClO = CrO4 + 4 Cl + 4 OH
H3PO2 + NaH = Na3PO2 + H2 =>
H3PO2 + 3 NaH = Na3PO2 + 3 H2
CaCl2(s) + NaOH(aq) = NaCl + Ca(OH)2 =>
CaCl2(s) + 2 NaOH(aq) = 2 NaCl + Ca(OH)2
Mn(NO3)2 + (NH4)2S2O8 + H2O = HMnO2 + H2SO4 + NH4NO3 =>
6 Mn(NO3)2 + 7(NH4)2S2O8 + 15 H2O = 6 HMnO2 + 14 H2SO4 + 13 NH4NO3
Na3PO + H2O = NaOH + H3PO =>
Na3PO + 3 H2O = 3 NaOH + H3PO
NH4Cl(s) + Ca(OH)2(s) = CaCl2(s) + NH3(g) + H2O(l) =>
2 NH4Cl(s) + Ca(OH)2(s) = CaCl2(s) + 2 NH3(g) + 2 H2O(l)
HC2H3O3 + H2O = H3O{+} + C2H3O3{-} =>
HC2H3O3 + H2O = H3O{+} + C2H3O3{-}
Cu2S + H2O = Cu2O + H2S =>
Cu2S + H2O = Cu2O + H2S
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Li2O = Li + O2 =>
2 Li2O = 4 Li + O2
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