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2 C(s) + O2 = 2 CO(g)
NaOH + Fe(NO3)3 = Fe(OH)3 + Na(NO3) =>
3 NaOH + Fe(NO3)3 = Fe(OH)3 + 3 Na(NO3)
FeS + H2O + O2 = S3{-} + H{+} + FeO =>
12 FeS + 2 H2O + 5 O2 = 4 S3{-} + 4 H{+} + 12 FeO
KMnO4 + SnCl2 + HCl = KCl + MnCl2 + SnCl4 + H2O =>
2 KMnO4 + 5 SnCl2 + 16 HCl = 2 KCl + 2 MnCl2 + 5 SnCl4 + 8 H2O
CH3I + NaOH = CH4 + NaIO =>
CH3I + NaOH = CH4 + NaIO
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
CH3I + NaOH = CH4 + NaIO =>
CH3I + NaOH = CH4 + NaIO
Al(s) + KOH(aq) + H2O(l) + H2SO4(aq) = KAl(SO4)2*12H2O(s) + H2(g) =>
2 Al(s) + 2 KOH(aq) + 22 H2O(l) + 4 H2SO4(aq) = 2 KAl(SO4)2*12H2O(s) + 3 H2(g)
Cu + AuCl3 = Au + CuCl2 =>
3 Cu + 2 AuCl3 = 2 Au + 3 CuCl2
LiOH + CO2 = Li2CO3 + H2O =>
2 LiOH + CO2 = Li2CO3 + H2O
KMnO4 + SnCl2 + HCl = KCl + MnCl2 + SnCl4 + H2O =>
2 KMnO4 + 5 SnCl2 + 16 HCl = 2 KCl + 2 MnCl2 + 5 SnCl4 + 8 H2O
CH3ONa + H2O = NaOH + CH4O =>
CH3ONa + H2O = NaOH + CH4O
CaCO3 + HCl = Ca(Cl)2 + H2O + CO2 =>
CaCO3 + 2 HCl = Ca(Cl)2 + H2O + CO2
KMnO4 + SnCl2 + HCl = KCl + MnCl2 + SnCl4 + H2O =>
2 KMnO4 + 5 SnCl2 + 16 HCl = 2 KCl + 2 MnCl2 + 5 SnCl4 + 8 H2O
N2O5 + Ag2O = AgNO3 =>
N2O5 + Ag2O = 2 AgNO3
C(s) + H2(g) + O2(g) = (C2H5OH) =>
4 C(s) + 6 H2(g) + O2(g) = 2(C2H5OH)
H2SO4 + AlO = AlSO4 + H2O =>
H2SO4 + AlO = AlSO4 + H2O
K2SiO3 + HNO3 = KNO3 + H2SiO3 =>
K2SiO3 + 2 HNO3 = 2 KNO3 + H2SiO3
F + N2 = F3N4 =>
3 F + 2 N2 = F3N4
NaMnO4 + HI = I2 + MnI2 + NaI + H2O =>
2 NaMnO4 + 16 HI = 5 I2 + 2 MnI2 + 2 NaI + 8 H2O
N + H23 = NH3 =>
23 N + 3 H23 = 23 NH3
Mg5 + O24 = MgO5 =>
24 Mg5 + 25 O24 = 120 MgO5
ZnS + H2SO4 = ZnSO4 + SO2 + H2O =>
ZnS + 4 H2SO4 = ZnSO4 + 4 SO2 + 4 H2O
Na + SiO2 = NaSi + O2 =>
Na + SiO2 = NaSi + O2
I2(s) + H2S(g) = HI(s) + S(g) =>
I2(s) + H2S(g) = 2 HI(s) + S(g)
K2Cr2O7 + KNO2 + HNO3 = Cr(NO3)3 + KNO3 + H2O =>
K2Cr2O7 + 3 KNO2 + 8 HNO3 = 2 Cr(NO3)3 + 5 KNO3 + 4 H2O
Hg2O + CO = Hg + CO2 =>
Hg2O + CO = 2 Hg + CO2
KMnO4 + SnCl2 + HCl = KCl + MnCl2 + SnCl4 + H2O =>
2 KMnO4 + 5 SnCl2 + 16 HCl = 2 KCl + 2 MnCl2 + 5 SnCl4 + 8 H2O
C6H5CH2OH + MnO4 = MnO2 + C6H5CO2 + OH =>
C6H5CH2OH + 2 MnO4 = 2 MnO2 + C6H5CO2 + 3 OH
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
KF + I2 = F2 + KI =>
2 KF + I2 = F2 + 2 KI
Hg + AgNO3 = HgNO3 + Ag =>
Hg + AgNO3 = HgNO3 + Ag
Zn + HCe = ZnCe + H2 =>
2 Zn + 2 HCe = 2 ZnCe + H2
FeCl2 + Na3PO4 = Fe3(PO4)2 + NaCl =>
3 FeCl2 + 2 Na3PO4 = Fe3(PO4)2 + 6 NaCl
Hg + AgNo3 = Hg(No3)2 + Ag =>
Hg + 2 AgNo3 = Hg(No3)2 + 2 Ag
SiO2 + NaOH = Na4SiO4 + H2O =>
SiO2 + 4 NaOH = Na4SiO4 + 2 H2O
FeCl2 + Na3PO4 = Fe3(PO4)2 + NaCl =>
3 FeCl2 + 2 Na3PO4 = Fe3(PO4)2 + 6 NaCl
Ca(OH)2 + Mg = Mg(OH)2 + Ca =>
Ca(OH)2 + Mg = Mg(OH)2 + Ca
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
K + C2H5OH = KOH + C2H5 =>
K + C2H5OH = KOH + C2H5
FeCl3 + O2 + H2O = Fe(OH)Cl3 =>
4 FeCl3 + O2 + 2 H2O = 4 Fe(OH)Cl3
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
HPO4 + H2O = H2PO4 + OH =>
HPO4 + H2O = H2PO4 + OH
ZnS + H2SO4 = ZnSO4 + SO2 + H2O =>
ZnS + 4 H2SO4 = ZnSO4 + 4 SO2 + 4 H2O
KMnO4 + SnCl2 + HCl = KCl + MnCl2 + SnCl4 + H2O =>
2 KMnO4 + 5 SnCl2 + 16 HCl = 2 KCl + 2 MnCl2 + 5 SnCl4 + 8 H2O
HCl + Ba(OH)2 = H2O + ClBaOH =>
HCl + Ba(OH)2 = H2O + ClBaOH
C2H5Cl + HCl + Na = C3H8 + NaCl = pt,300* =>
3 C2H5Cl + HCl + 4 Na = 2 C3H8 + 4 NaCl
H3PO4 + Na2Co3 = H2Co3 + Na3PO4 =>
2 H3PO4 + 3 Na2Co3 = 3 H2Co3 + 2 Na3PO4
CuO + Cr = Cr2O7 + Cu =>
7 CuO + 2 Cr = Cr2O7 + 7 Cu
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
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