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4 Fe + 3 O2 = 2 Fe2O3
C2 + O2 = CO =>
C2 + O2 = 2 CO
Zn + NiCl2 = ZnCl2 + Ni =>
Zn + NiCl2 = ZnCl2 + Ni
Zn100O100 + P200O500 = P6Zn94O100 + O200 =>
188 Zn100O100 + 6 P200O500 = 200 P6Zn94O100 + 9 O200
H2C2O4*2H2O + NaOH = H2O + Na2C2O4 =>
H2C2O4*2H2O + 2 NaOH = 4 H2O + Na2C2O4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH4O + O2 = H2O + CO2 =>
2 CH4O + 3 O2 = 4 H2O + 2 CO2
Pb(OH)2 + HNO3 = Pb(NO3)2 + H2O =>
Pb(OH)2 + 2 HNO3 = Pb(NO3)2 + 2 H2O
Ba + HCl = BaCl + H2 =>
2 Ba + 2 HCl = 2 BaCl + H2
Fe(H2O)6{3+} + SCN{-} = Fe(H2O)5SCN{2+} + H2O =>
Fe(H2O)6{3+} + SCN{-} = Fe(H2O)5SCN{2+} + H2O
Ba + HCl = BaCl + H2 =>
2 Ba + 2 HCl = 2 BaCl + H2
FeSO4 + K2CrO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 FeSO4 + 2 K2CrO4 + 8 H2SO4 = 3 Fe2(SO4)3 + 2 K2SO4 + Cr2(SO4)3 + 8 H2O
AgNO3 + BaCl2 = Ba(NO3)2 + AgCl =>
2 AgNO3 + BaCl2 = Ba(NO3)2 + 2 AgCl
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Zn100O100 + P200O500 = P7Zn93O100 + O200 =>
372 Zn100O100 + 14 P200O500 = 400 P7Zn93O100 + 21 O200
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
Al2O3 + Na2Co3 = Al2(Co3)3 + Na2O =>
Al2O3 + 3 Na2Co3 = Al2(Co3)3 + 3 Na2O
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
NaCO3(s) + CH3COOH(aq) = CH3COONa(aq) + CO2(g) + H2O(l) =>
8 NaCO3(s) + 9 CH3COOH(aq) = 8 CH3COONa(aq) + 10 CO2(g) + 6 H2O(l)
HCl + MgO = MgCl2 + H2O =>
2 HCl + MgO = MgCl2 + H2O
KO2 + H2O = KOH + O2 =>
4 KO2 + 2 H2O = 4 KOH + 3 O2
Na2SO4 + NH4OH = NaOH + (NH4)2SO4 =>
Na2SO4 + 2 NH4OH = 2 NaOH + (NH4)2SO4
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
VO + Fe2O3 = V2O5 + FeO =>
2 VO + 3 Fe2O3 = V2O5 + 6 FeO
NaCl + Pb(CH3COO)2 = Na(CH3COO)2 + PbCl =>
NaCl + Pb(CH3COO)2 = Na(CH3COO)2 + PbCl
BaO + H2O = Ba + OH =>
BaO + H2O = Ba + 2 OH
CrCl3 + KOH + Cl2 = KCl + K2CrO4 + H2O =>
2 CrCl3 + 16 KOH + 3 Cl2 = 12 KCl + 2 K2CrO4 + 8 H2O
KMnO4 + SO2 + H2O = MnO2 + K2SO4 + H2SO4 =>
2 KMnO4 + 3 SO2 + 2 H2O = 2 MnO2 + K2SO4 + 2 H2SO4
Zn100O100 + P200O500 = P8Zn92O100 + O200 =>
46 Zn100O100 + 2 P200O500 = 50 P8Zn92O100 + 3 O200
CH3COOH + C2H5OH = CH3COOC2H5 + H2O =>
CH3COOH + C2H5OH = CH3COOC2H5 + H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
AlNO3 + NaOH = AlOH + NaNO3 =>
AlNO3 + NaOH = AlOH + NaNO3
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
AgNO3 + Na2Co3 = NaNO3 + Ag2Co3 =>
2 AgNO3 + Na2Co3 = 2 NaNO3 + Ag2Co3
CuO + NH3 = N2 + Cu + H2O =>
3 CuO + 2 NH3 = N2 + 3 Cu + 3 H2O
KNO3 + KOH + Cr2O3 = K2CrO4 + KNO2 + H2O =>
3 KNO3 + 4 KOH + Cr2O3 = 2 K2CrO4 + 3 KNO2 + 2 H2O
Zn100O100 + P200O500 = P9Zn91O100 + O200 =>
364 Zn100O100 + 18 P200O500 = 400 P9Zn91O100 + 27 O200
Ca(OH)2 + HNO3 = H2O + Ca(NO3)2 =>
Ca(OH)2 + 2 HNO3 = 2 H2O + Ca(NO3)2
H2 + Na2O = H2O + Na2 =>
H2 + Na2O = H2O + Na2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Zn100O100 + P200O500 = P10Zn90O100 + O200 =>
36 Zn100O100 + 2 P200O500 = 40 P10Zn90O100 + 3 O200
CrCl3 + MnO2 + H2O = MnCl2 + H2CrO4 =>
2 CrCl3 + 3 MnO2 + 2 H2O = 3 MnCl2 + 2 H2CrO4
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
AgNO3 + K3PO4 = KNO3 + Ag3PO4 =>
3 AgNO3 + K3PO4 = 3 KNO3 + Ag3PO4
C6H8O7 + C18H27NO3 = C24H35O10N =>
C6H8O7 + C18H27NO3 = C24H35O10N
C2H6 + O2 = CH3COOH + H2O =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O
C2H5OH + O2 = CH3COOH + H2O =>
C2H5OH + O2 = CH3COOH + H2O
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
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