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2 H2 + O2 = 2 H2O
CH3OH + K2Cr2O7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3OH + 2 K2Cr2O7 + 8 H2SO4 = 3 HCOOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
PbO + HNO3 = Pb(NO3)2 + H2O =>
PbO + 2 HNO3 = Pb(NO3)2 + H2O
sulfur + sulfuricacid = water + sulfurdioxide =>
S + 2 H2SO4 = 2 H2O + 3 SO2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
C12H16O + NaBH4 + CH3OH = C10H18O + BH3 + NaOCH3 =>
9 C12H16O + 23 NaBH4 + 25 CH3OH = 11 C10H18O + 23 BH3 + 23 NaOCH3
K3PO4(aq) + Ni(NO3)2(aq) = K(NO3)(aq) + Ni3(PO4)2(s) =>
2 K3PO4(aq) + 3 Ni(NO3)2(aq) = 6 K(NO3)(aq) + Ni3(PO4)2(s)
Cl2 + KBr2 = KCl + Br2 =>
Cl2 + 2 KBr2 = 2 KCl + 2 Br2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Fe + NaOH = Fe(OH)3 + Na =>
Fe + 3 NaOH = Fe(OH)3 + 3 Na
Al + Cl2 = Al(Cl)3 =>
2 Al + 3 Cl2 = 2 Al(Cl)3
Fe3O3 + CO = Fe + CO2 =>
Fe3O3 + 3 CO = 3 Fe + 3 CO2
Zn + Pb(C2H3O2)2 = Pb + Zn(C2H3O2) =>
2 Zn + Pb(C2H3O2)2 = Pb + 2 Zn(C2H3O2)
H2SeO2 + Au(OH)3 = Au2(SeO2)3 + H2O =>
3 H2SeO2 + 2 Au(OH)3 = Au2(SeO2)3 + 6 H2O
(NH4)2PtCl6 + NaNO3 = PtO2 + NH3 + HCl + NaCl + NO2 =>
5(NH4)2PtCl6 + 14 NaNO3 = 5 PtO2 + 8 NH3 + 16 HCl + 14 NaCl + 16 NO2
C14H12O2 + C2O2Cl2 = C14H11O + CO + HCl =>
13 C14H12O2 + 12 C2O2Cl2 = 12 C14H11O + 38 CO + 24 HCl
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
C8H8ClNO3S + NH4OH = C8H10N2O3S + H2O + HCl =>
C8H8ClNO3S + NH4OH = C8H10N2O3S + H2O + HCl
Mg(OH)2 + HPO2 = Mg(PO2) + H(OH)2 =>
Mg(OH)2 + HPO2 = Mg(PO2) + H(OH)2
FeSO4 + FeCl3 + NH3 + H2O = Fe3O4 + NH4Cl + NH4(SO4)2 =>
2 FeSO4 + 13 FeCl3 + 40 NH3 + 20 H2O = 5 Fe3O4 + 39 NH4Cl + NH4(SO4)2
NH4VO3 + Zn = ZnVO3 + NH4 =>
NH4VO3 + Zn = ZnVO3 + NH4
Ni(NO3)3 + Li2S = Ni2S3 + LiNO3 =>
2 Ni(NO3)3 + 3 Li2S = Ni2S3 + 6 LiNO3
AgCl + HCl = AgH + Cl =>
AgCl + HCl = AgH + 2 Cl
CoCl2 + Ca(OH2) = Co(OH2) + CaCl2 =>
CoCl2 + Ca(OH2) = Co(OH2) + CaCl2
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
Fe + KClO3 + KOH = K2FeO4 + KCl + H2O =>
Fe + KClO3 + 2 KOH = K2FeO4 + KCl + H2O
OH = HO =>
OH = HO
NH4ClO4 + Ba(OH)2 = NH4OH + Ba(ClO4)2 =>
2 NH4ClO4 + Ba(OH)2 = 2 NH4OH + Ba(ClO4)2
C8H6O4 + O2 = CO2 + H2O =>
2 C8H6O4 + 15 O2 = 16 CO2 + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2AsO4{-} + {-} + H{+} = H3AsO3 + H2O =>
H2AsO4{-} + 2e + 3 H{+} = H3AsO3 + H2O
CuSO4 + NaCl = Na2(CuCl4) + Na2SO4 =>
CuSO4 + 4 NaCl = Na2(CuCl4) + Na2SO4
LiOH + H2CO3 = Li2CO3 + H2O =>
2 LiOH + H2CO3 = Li2CO3 + 2 H2O
CuCO3 + NaOH = CuO + Na2CO3 + H2O =>
CuCO3 + 2 NaOH = CuO + Na2CO3 + H2O
H3O + Zn = ZnH + H2O =>
H3O + Zn = ZnH + H2O
SrCl2 + H2O + NaOH = SrCl2OH + NaH2O =>
SrCl2 + H2O + NaOH = SrCl2OH + NaH2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe2O3 + C6H8O6 = FeO + C6H6O6 + H2O =>
Fe2O3 + C6H8O6 = 2 FeO + C6H6O6 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
BO = OB =>
BO = OB
CoCl2 + K(OH) = Co(OH)2 + KCl =>
CoCl2 + 2 K(OH) = Co(OH)2 + 2 KCl
Ca + Na2S = Na + CaS =>
Ca + Na2S = 2 Na + CaS
K2S + FeCl2 = FeS + K2Cl2 =>
K2S + FeCl2 = FeS + K2Cl2
K2FeO4 + KBr + H2O = Fe(OH)3 + Br2 + KOH =>
2 K2FeO4 + 6 KBr + 8 H2O = 2 Fe(OH)3 + 3 Br2 + 10 KOH
Cu2CO3 + H2 = H2CO3 + Cu =>
Cu2CO3 + H2 = H2CO3 + 2 Cu
CuCl2 + Na2SO3 + H2O = CuCl + Na2SO4 + HCl =>
2 CuCl2 + Na2SO3 + H2O = 2 CuCl + Na2SO4 + 2 HCl
[(NH4)2O*Cr2O3*Mo12O36] + Zn + HCl = H3[MoCl6] + ZnCl2 + CrCl3 + NH4Cl + H2O =>
[(NH4)2O*Cr2O3*Mo12O36] + 18 Zn + 116 HCl = 12 H3[MoCl6] + 18 ZnCl2 + 2 CrCl3 + 2 NH4Cl + 40 H2O
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