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4 Fe + 3 O2 = 2 Fe2O3
MnO2 + K2CO3 + O2 = KMnO4 + CO2 =>
4 MnO2 + 2 K2CO3 + 3 O2 = 4 KMnO4 + 2 CO2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
CaS + O2 = CaSO3 =>
2 CaS + 3 O2 = 2 CaSO3
C8H18(l) + O2(g) = CO2(g) + H2O(l) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(l)
Al + (FeNO3)2 = Al(NO3)3 + Fe2 =>
2 Al + 3(FeNO3)2 = 2 Al(NO3)3 + 3 Fe2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
He + H2O = HeH2O =>
He + H2O = HeH2O
CuO + Fe = FeO + Cu =>
CuO + Fe = FeO + Cu
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
(OH)2 = H2 + O =>
(OH)2 = H2 + 2 O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NaCl + Sr(NO3)2 = SrCl2 + NaNO3 =>
2 NaCl + Sr(NO3)2 = SrCl2 + 2 NaNO3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
AgNO3 + K2CrO4 = Ag2CrO4 + KNO3 =>
2 AgNO3 + K2CrO4 = Ag2CrO4 + 2 KNO3
K2 + MgCl = KCl + Mg =>
K2 + 2 MgCl = 2 KCl + 2 Mg
Fe + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 6 H2O
Al2(SO4)3 + Pb(NO2)2 = Al(NO2)3 + PbSO4 =>
Al2(SO4)3 + 3 Pb(NO2)2 = 2 Al(NO2)3 + 3 PbSO4
AgO3 + H2 = Ag + H2O =>
AgO3 + 3 H2 = Ag + 3 H2O
RbOH + RbHCO3 = Rb2CO3 + H2O =>
RbOH + RbHCO3 = Rb2CO3 + H2O
I2 + CCl4 = I2(CCl4) =>
I2 + CCl4 = I2(CCl4)
CH2CH3OH + O2 = H2O + CO2 =>
CH2CH3OH + 3 O2 = 3 H2O + 2 CO2
P(s) + O2(g) = P2O5(s) =>
4 P(s) + 5 O2(g) = 2 P2O5(s)
Fe + CuCl2 = FeCl3 + Cu =>
2 Fe + 3 CuCl2 = 2 FeCl3 + 3 Cu
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
CuS + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 2 NO + 4 H2O
K2Cr2O7 + BaCl2 = BaCr2O7 + KCl =>
K2Cr2O7 + BaCl2 = BaCr2O7 + 2 KCl
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
KI + KHSO5 = I2 + K2S2O8 + KOH =>
2 KI + 2 KHSO5 = I2 + K2S2O8 + 2 KOH
Cu + CO3(OH)2 = CuO + H2O + CO2 =>
2 Cu + CO3(OH)2 = 2 CuO + H2O + CO2
CH3CH2CH2OH + O2 = CO2 + H2O =>
2 CH3CH2CH2OH + 9 O2 = 6 CO2 + 8 H2O
WO2 + Zn + NaOH = NaW2O4 + Zn(OH)2 =>
4 WO2 + Zn + 2 NaOH = 2 NaW2O4 + Zn(OH)2
C4H5NaC2H5Cl = C6H10NaCl =>
C4H5NaC2H5Cl = C6H10NaCl
Hg2(NO3)2 + H2O = Hg2(OH)NO3 + HNO3 =>
Hg2(NO3)2 + H2O = Hg2(OH)NO3 + HNO3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
ZnS + HNO3 = Zn(NO3)2 + SO2 + NO + H2O =>
ZnS + 4 HNO3 = Zn(NO3)2 + SO2 + 2 NO + 2 H2O
HN02 + SnO = Sn02 + NO + H2O =>
4 HN02 + 10 SnO = 5 Sn02 + 8 NO + 2 H2O
Zn(OH)2 + KOH = K2(Zn(OH)4) =>
Zn(OH)2 + 2 KOH = K2(Zn(OH)4)
C30H54 + O2 = CO2 + H2O =>
2 C30H54 + 87 O2 = 60 CO2 + 54 H2O
Ag + H2SO4 = Ag2SO4 + H2O + SO2 =>
2 Ag + 2 H2SO4 = Ag2SO4 + 2 H2O + SO2
CH3CH2CHO + KMnO4 + H2O = CH3CH2COOH + KOH + MnO2 =>
3 CH3CH2CHO + 2 KMnO4 + H2O = 3 CH3CH2COOH + 2 KOH + 2 MnO2
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
FeCl3*6H2O = Fe(OH)3 + HCl + H2O =>
FeCl3*6H2O = Fe(OH)3 + 3 HCl + 3 H2O
FeCl3 + K4[Fe(CN)6] = K[FeFe(CN)6] + KCl =>
FeCl3 + K4[Fe(CN)6] = K[FeFe(CN)6] + 3 KCl
CSOH + H2SO4 = CSSO4 + H2OH =>
CSOH + H2SO4 = CSSO4 + H2OH
NO2 + H2O = NH3 + O2 =>
4 NO2 + 6 H2O = 4 NH3 + 7 O2
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