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4 FeCO3 + O2 = 2 Fe2O3 + 4 CO2
CuCl2 + O2 = CuO + Cl2 =>
2 CuCl2 + O2 = 2 CuO + 2 Cl2
Al + AuCl = AlCl3 + Au =>
Al + 3 AuCl = AlCl3 + 3 Au
CO2 + He = CO2He =>
CO2 + He = CO2He
C5H11OH + KMnO4 + H2SO4 = C5H10O + K2SO4 + MnSO4 + H2O =>
5 C5H11OH + 2 KMnO4 + 3 H2SO4 = 5 C5H10O + K2SO4 + 2 MnSO4 + 8 H2O
Cd + H{+} = Cd2{+} + H2 =>
4 Cd + 2 H{+} = 2 Cd2{+} + H2
MoO3 + Zn + H2SO4 = MoO2 + ZnSO4 + H2O =>
MoO3 + Zn + H2SO4 = MoO2 + ZnSO4 + H2O
Fe(NO3)3 + Li(OH) = Li(NO3) + Fe(OH)3 =>
Fe(NO3)3 + 3 Li(OH) = 3 Li(NO3) + Fe(OH)3
Fe(OH)3 + Br2 + KOH = K2FeO4 + HBr + H2O =>
2 Fe(OH)3 + 3 Br2 + 4 KOH = 2 K2FeO4 + 6 HBr + 2 H2O
FeCl3(aq) + K2CO3(aq) = Fe2(CO3)3(s) + KCl(aq) =>
2 FeCl3(aq) + 3 K2CO3(aq) = Fe2(CO3)3(s) + 6 KCl(aq)
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O =>
K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 O
NaOH + C = OH + NaC =>
NaOH + C = OH + NaC
Li2SO4 + SrCl2 = LiCl + SrSO4 =>
Li2SO4 + SrCl2 = 2 LiCl + SrSO4
Al + Ba(OH)2 + H2O = Ba[Al(OH)6]2 + H2 =>
2 Al + Ba(OH)2 + 10 H2O = Ba[Al(OH)6]2 + 5 H2
MnO4{-} + NO2{-} + OH{-} = MnO4{2-} + NO3{-} + H2O =>
2 MnO4{-} + NO2{-} + 2 OH{-} = 2 MnO4{2-} + NO3{-} + H2O
KHSO4 + BaCl2 = Ba(HSO4)2 + KCl =>
2 KHSO4 + BaCl2 = Ba(HSO4)2 + 2 KCl
Zn + Au(NO2)2 = Zn(NO2)2 + Au =>
Zn + Au(NO2)2 = Zn(NO2)2 + Au
KI + CI = KCI + I2 =>
2 KI + 2 CI = 2 KCI + I2
YBa2Cu3O7 + HCl = CuCl2 + H2O + YCl3 + BaCl2 + O2 =>
4 YBa2Cu3O7 + 52 HCl = 12 CuCl2 + 26 H2O + 4 YCl3 + 8 BaCl2 + O2
K[Al(OH)4] + Cl2 = KCl + KClO + Al(OH)3 + H2O =>
2 K[Al(OH)4] + Cl2 = KCl + KClO + 2 Al(OH)3 + H2O
S8 + O3 = SO2 =>
3 S8 + 16 O3 = 24 SO2
K2O + NaOH = Na2O + KOH =>
K2O + 2 NaOH = Na2O + 2 KOH
S + OH{-} = S2{-} + (S2O3){2-} + H2O =>
10 S + 6 OH{-} = 4 S2{-} + (S2O3){2-} + 3 H2O
ZnCl + HCl = H + ZnCl2 =>
ZnCl + HCl = H + ZnCl2
Zn + C6H8O7 = Zn(C6H5O7)2 + H2 =>
Zn + 2 C6H8O7 = Zn(C6H5O7)2 + 3 H2
Bi(NO3)3 + H2S = Bi2S3 + HNO3 =>
2 Bi(NO3)3 + 3 H2S = Bi2S3 + 6 HNO3
C2H5NO + O2 = CH4N2O + CH3COOH =>
4 C2H5NO + 2 O2 = 2 CH4N2O + 3 CH3COOH
Fe2(CO3)3 + CH3COOH = Fe(CH3COOH)3 + CO2 + H2O =>
4 Fe2(CO3)3 + 27 CH3COOH = 8 Fe(CH3COOH)3 + 18 CO2 + 6 H2O
Pb(NO)2 = Pb + NO =>
Pb(NO)2 = Pb + 2 NO
P2S5 = P + S8 =>
8 P2S5 = 16 P + 5 S8
SIO2 + Ba(OH)2 = BaSIO3 + H2O =>
SIO2 + Ba(OH)2 = BaSIO3 + H2O
La(NO3)3 + Ni(NO3)2 + C2H5NO2 = La4Ni3O10 + H2O + N2 + CO2 =>
36 La(NO3)3 + 27 Ni(NO3)2 + 88 C2H5NO2 = 9 La4Ni3O10 + 220 H2O + 125 N2 + 176 CO2
C6H6 + C2H5Cl = C6H5CH3 + HCl =>
2 C6H6 + C2H5Cl = 2 C6H5CH3 + HCl
Mg(OH)2 + H2C2O4 = Mg + H4C2O6(OH) =>
3 Mg(OH)2 + 2 H2C2O4 = 3 Mg + 2 H4C2O6(OH)
C6H5COOH + NaHCO3 = C6H5COONa + H2O + CO3 =>
21 C6H5COOH + 22 NaHCO3 = 22 C6H5COONa + 19 H2O + 15 CO3
ZnCl2 + Na2CO3 + H2O = Zn2(OH)2CO3 + NaCl + CO2 =>
2 ZnCl2 + 2 Na2CO3 + H2O = Zn2(OH)2CO3 + 4 NaCl + CO2
Fe2O3 + C4 = Fe2 + CO2 =>
8 Fe2O3 + 3 C4 = 8 Fe2 + 12 CO2
Zn(C2H3O2)2 + Na3PO4 = Zn3(PO4)2 + Na(C2H3O2) =>
3 Zn(C2H3O2)2 + 2 Na3PO4 = Zn3(PO4)2 + 6 Na(C2H3O2)
(NH4)2MoO4 + H2SO4 = H2MoO4 + (NH4)2SO4 =>
(NH4)2MoO4 + H2SO4 = H2MoO4 + (NH4)2SO4
SO2 + KClO4 + NaOH = Na2SO4 + KCl + H2O =>
4 SO2 + KClO4 + 8 NaOH = 4 Na2SO4 + KCl + 4 H2O
Na{+} + H2O = NaOH{+} + H2 =>
2 Na{+} + 2 H2O = 2 NaOH{+} + H2
CH3COCH3 + H2O2 = C9H18O6 + H2O =>
3 CH3COCH3 + 3 H2O2 = C9H18O6 + 3 H2O
NiCl2 + HNO3 = Ni(NO3)2 + HCl =>
NiCl2 + 2 HNO3 = Ni(NO3)2 + 2 HCl
HCl + (NH4)OH = HOH + (NH4)Cl =>
HCl + (NH4)OH = HOH + (NH4)Cl
C6H14O + O2 = CO2 + H2O =>
C6H14O + 9 O2 = 6 CO2 + 7 H2O
K2Cr2O7 + SnCl2 + H2SO4 = Cr2(SO4)3 + K2SO4 + Sn2SO4 + Cl2 + H2O =>
K2Cr2O7 + 6 SnCl2 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 Sn2SO4 + 6 Cl2 + 7 H2O
KF + H2S = K2S + HF =>
2 KF + H2S = K2S + 2 HF
Fe(NO3)3 + (NH4)3PO4 = FePO4 + (NH4)3(NO3)3 =>
Fe(NO3)3 + (NH4)3PO4 = FePO4 + (NH4)3(NO3)3
HC7H5O3 + CH2OH = C8H8O3 + H2O =>
6 HC7H5O3 + 14 CH2OH = 7 C8H8O3 + 11 H2O
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
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