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2 Zn + O2 = 2 ZnO
NiCO3 = NiO + CO2 =>
NiCO3 = NiO + CO2
C7H5COONa + HCl = C7H5COOH + NaCl =>
C7H5COONa + HCl = C7H5COOH + NaCl
ZnO2 + H2O = ZnO + H2O2 =>
ZnO2 + H2O = ZnO + H2O2
S + NaOH = Na2S + Na2S2O3 + H2O =>
4 S + 6 NaOH = 2 Na2S + Na2S2O3 + 3 H2O
KMnO4 + H2SO4 + H = K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 10 H = K2SO4 + 2 MnSO4 + 8 H2O
PCl3 = Cl + P =>
PCl3 = 3 Cl + P
Fe(OH)3 + K2SO4 = Fe2(SO4)3 + KOH =>
2 Fe(OH)3 + 3 K2SO4 = Fe2(SO4)3 + 6 KOH
FeV2O4 + O2 = V2O3 + Fe2O3 =>
4 FeV2O4 + O2 = 4 V2O3 + 2 Fe2O3
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
C + S = CS2 =>
C + 2 S = CS2
NiCO3 = Ni + CO2 + O2 =>
2 NiCO3 = 2 Ni + 2 CO2 + O2
Rh + HCl + HNO3 = H2RhCl5 + NO2 + H2O =>
Rh + 5 HCl + 3 HNO3 = H2RhCl5 + 3 NO2 + 3 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Zn(OH)2 + P4O10 = Zn3(PO4)2 + H2O =>
6 Zn(OH)2 + P4O10 = 2 Zn3(PO4)2 + 6 H2O
Cr + H2O = H2 + CrO =>
Cr + H2O = H2 + CrO
NH3 + e = H2 + NH2{-} =>
2 NH3 + 2e = H2 + 2 NH2{-}
(Al(H2O)6)Cl3 = HCl + Al(OH)3 + H2O =>
(Al(H2O)6)Cl3 = 3 HCl + Al(OH)3 + 3 H2O
Pb + Li = PbLi =>
Pb + Li = PbLi
HCl + MnO4 = MnCl2 + H2O + Cl =>
8 HCl + MnO4 = MnCl2 + 4 H2O + 6 Cl
Bi(OH)3 + K2SnO2 = Bi + K2SnO3H2O =>
2 Bi(OH)3 + 3 K2SnO2 = 2 Bi + 3 K2SnO3H2O
AgNO3 + NH3 = Ag3N + HNO3 =>
3 AgNO3 + NH3 = Ag3N + 3 HNO3
NH4OH + NO2 = (NH4)2NO3 + H2O =>
2 NH4OH + NO2 = (NH4)2NO3 + H2O
CaCl2 + K2CO3 = CaCO3 + KCl =>
CaCl2 + K2CO3 = CaCO3 + 2 KCl
MgBr2 + Na3PO4 = Mg3(PO4)2 + BrNa =>
3 MgBr2 + 2 Na3PO4 = Mg3(PO4)2 + 6 BrNa
Br2 + S{-2} = Br{-} + S =>
Br2 + S{-2} = 2 Br{-} + S
C2H402 + KCO3 = C3O3 + KH402 =>
C2H402 + KCO3 = C3O3 + KH402
Li + N2O = LiON + N2 =>
2 Li + 2 N2O = 2 LiON + N2
Ca(s) + S(s) = CaS =>
Ca(s) + S(s) = CaS
CH2CH2 + H2SO4 = CH3CH2OSO2OH =>
CH2CH2 + H2SO4 = CH3CH2OSO2OH
NaOHAl(OH)3 = NaAl(OH)4 =>
NaOHAl(OH)3 = NaAl(OH)4
BaCl2 + Ca3(PO4)2 = CaCl2 + Ba3(PO4)2 =>
3 BaCl2 + Ca3(PO4)2 = 3 CaCl2 + Ba3(PO4)2
KMnO4 + SnBr2 + H2SO4 = MnSO4 + Sn(SO4)2 + Br2 + K2SO4 + H2O =>
4 KMnO4 + 5 SnBr2 + 16 H2SO4 = 4 MnSO4 + 5 Sn(SO4)2 + 5 Br2 + 2 K2SO4 + 16 H2O
*2Fe + Cl2 = FeCl3 =>
*2Fe + 3 Cl2 = 2 FeCl3
Hg(NO3)2 = Hg + NO2 + O2 =>
Hg(NO3)2 = Hg + 2 NO2 + O2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Ag2O + NH4OH = Ag(NH3)2{+} + OH{-} + H2O =>
Ag2O + 4 NH4OH = 2 Ag(NH3)2{+} + 2 OH{-} + 3 H2O
Al(ClO3)3 + Na2SO3 = Al2(SO3)3 + NaClO3 =>
2 Al(ClO3)3 + 3 Na2SO3 = Al2(SO3)3 + 6 NaClO3
Cr{3+} + S2O6O2{2-} + OH{-} = CrO4{2-} + SO4{2-} + H2O =>
2 Cr{3+} + 3 S2O6O2{2-} + 16 OH{-} = 2 CrO4{2-} + 6 SO4{2-} + 8 H2O
FeSO4 + Cl2 + HCl = FeCl3 + SO3 + H2O =>
2 FeSO4 + Cl2 + 4 HCl = 2 FeCl3 + 2 SO3 + 2 H2O
NaCl + HNo3 = HCl + NaNo3 =>
NaCl + HNo3 = HCl + NaNo3
Ba(OH)2H2O + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2H2O + 2 NH4SCN = Ba(SCN)2 + 3 H2O + 2 NH3
F + C4H8 = CF4 + HF =>
24 F + C4H8 = 4 CF4 + 8 HF
Fe3 + Br = Fe1Br3 =>
Fe3 + 9 Br = 3 Fe1Br3
Cu + Br2 = Cu{2+} + Br{-} =>
Cu + Br2 = Cu{2+} + 2 Br{-}
C7H5ClO + H2O = C7H6O2 + HCl =>
C7H5ClO + H2O = C7H6O2 + HCl
C2H4O3 + H2O = C2H4O2 + H2O2 =>
C2H4O3 + H2O = C2H4O2 + H2O2
FePO4 + NaCl = FeCl3 + Na3PO4 =>
FePO4 + 3 NaCl = FeCl3 + Na3PO4
CH3COH + KMnO4 + H2O = CH3COOH + MnO2 + KOH =>
3 CH3COH + 2 KMnO4 + H2O = 3 CH3COOH + 2 MnO2 + 2 KOH
Mg2 + H2O + HCl = H2 + MgClO =>
Mg2 + 2 H2O + 2 HCl = 3 H2 + 2 MgClO
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