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2 Fe + 3 Cl2 = 2 FeCl3
KMnO4 + NaNO2 + H2SO4 = NO2 + K2SO4 + Na2SO4 + MnSO4 + H2O =>
2 KMnO4 + 10 NaNO2 + 8 H2SO4 = 10 NO2 + K2SO4 + 5 Na2SO4 + 2 MnSO4 + 8 H2O
CaO + SeO2 = CaSeO3 =>
CaO + SeO2 = CaSeO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H4P2O7 + Mg(OH)2 = Mg3(HP2O7)2 + H2O =>
2 H4P2O7 + 3 Mg(OH)2 = Mg3(HP2O7)2 + 6 H2O
Li2S + H2O = LiOH + H2S =>
Li2S + 2 H2O = 2 LiOH + H2S
HClO + Na2SO3 = Na2SO4 + HCl =>
HClO + Na2SO3 = Na2SO4 + HCl
(c)K2Cr2O7(aq) + HI(aq) = KI(aq) + CrI3(aq) + I2(s) + H2O(l) =>
(c)K2Cr2O7(aq) + 14 HI(aq) = 2 KI(aq) + 2 CrI3(aq) + 3 I2(s) + 7 H2O(l)
H{+} + H{-} = H =>
H{+} + H{-} = 2 H
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
FeCr2O4(s) + K2CO3(aq) + O2(g) = Fe2O3(s) + K2CrO4(aq) + CO2 =>
4 FeCr2O4(s) + 8 K2CO3(aq) + 7 O2(g) = 2 Fe2O3(s) + 8 K2CrO4(aq) + 8 CO2
NaCl + H2O = Cl2 + H2 + NaOH =>
2 NaCl + 2 H2O = Cl2 + H2 + 2 NaOH
Bi + H2SO4 = Bi2(SO4)3 + SO2 + H2O =>
2 Bi + 6 H2SO4 = Bi2(SO4)3 + 3 SO2 + 6 H2O
Zn + N2 = Zn(N2)3 =>
Zn + 3 N2 = Zn(N2)3
C6H5CHCH2 + CH3COCH3 + NH3 = C10H15N + H2O =>
C6H5CHCH2 + 4 CH3COCH3 + 2 NH3 = 2 C10H15N + 4 H2O
NaIO3 + Na2S2O8 + NaOH = Na2SO4 + NaIO3H2IO6 + H2O =>
4 NaIO3 + 5 Na2S2O8 + 8 NaOH = 10 Na2SO4 + 2 NaIO3H2IO6 + 2 H2O
Cu(NO3) + NH3 + H2O = Cu(OH)2 + NH4NO3 =>
8 Cu(NO3) + 6 NH3 + 13 H2O = 8 Cu(OH)2 + 7 NH4NO3
OH{-} + CO2 = CO3{2-} + H2O =>
2 OH{-} + CO2 = CO3{2-} + H2O
Bi + HNO3 = Bi(NO3)3 + NO + H2O =>
Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CaF2 + H2 = HF + Ca =>
CaF2 + H2 = 2 HF + Ca
SiF4 + I2O5 = IF5 + SiO2 =>
5 SiF4 + 2 I2O5 = 4 IF5 + 5 SiO2
Ca + SnCl2 = CaCl2 + Sn =>
Ca + SnCl2 = CaCl2 + Sn
H2SO4(aq) + CoCl2(aq) = HCl(aq) + CoSO4(aq) =>
H2SO4(aq) + CoCl2(aq) = 2 HCl(aq) + CoSO4(aq)
Zn + Cl2 = ZnCl2 =>
Zn + Cl2 = ZnCl2
Ni2(SO4)2 + Na1(OH)1 = Ni(OH)2 + Na2(SO4)1 =>
Ni2(SO4)2 + 4 Na1(OH)1 = 2 Ni(OH)2 + 2 Na2(SO4)1
H2O + KOH = H2OKOH =>
H2O + KOH = H2OKOH
HNO3 + NaCO3 = (HNO3)2CO3 + Na =>
2 HNO3 + NaCO3 = (HNO3)2CO3 + Na
C9H10HBr + NaOH = C9H10O + NaBr + H =>
C9H10HBr + NaOH = C9H10O + NaBr + 2 H
AB + C = CB + A =>
AB + C = CB + A
(CH3COOH)2 + Br2 = CH2BrCOOH + HBr =>
(CH3COOH)2 + 2 Br2 = 2 CH2BrCOOH + 2 HBr
Na2SO4 + Zn(OH)2 + NH4OH = ZnSO4 + NaNH2 + H2O =>
Na2SO4 + Zn(OH)2 + 2 NH4OH = ZnSO4 + 2 NaNH2 + 4 H2O
KI + CH2OH = KOH + CH2I =>
KI + CH2OH = KOH + CH2I
HNO3 + FeI2 = I2 + Fe(NO3)3 + NO + H2O =>
4 HNO3 + FeI2 = I2 + Fe(NO3)3 + NO + 2 H2O
Cr3 + Fe2 = CrFe =>
2 Cr3 + 3 Fe2 = 6 CrFe
Zn(OH)2 + Na = NaZnO2 + H2 =>
Zn(OH)2 + Na = NaZnO2 + H2
CaO + Al = Al2O3 + Ca =>
3 CaO + 2 Al = Al2O3 + 3 Ca
KI + Cu3(PO4)2 = K3PO4 + CuI2 =>
6 KI + Cu3(PO4)2 = 2 K3PO4 + 3 CuI2
K + HClO2 = KClO2 + H2 =>
2 K + 2 HClO2 = 2 KClO2 + H2
KNO3 + P = P2O5 + KNO2 =>
5 KNO3 + 2 P = P2O5 + 5 KNO2
MnO2 + Cl2 = MnCl5 + O2 =>
2 MnO2 + 5 Cl2 = 2 MnCl5 + 2 O2
C2H6O + H2O = CO2 + H2 =>
C2H6O + 3 H2O = 2 CO2 + 6 H2
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
Fe2(CO3)3 + H2O = Fe2O3 + H2CO3 =>
Fe2(CO3)3 + 3 H2O = Fe2O3 + 3 H2CO3
KNO3 = KNO2 + O2 = KNO3 = KNO2 =>
2 KNO3 = 2 KNO2 + O2
Br2 + H2SO4 = Br2SO4 + H2 =>
Br2 + H2SO4 = Br2SO4 + H2
CH{-} + O{-} = CO{-} + H{-}O =>
CH{-} + O{-} = CO{-} + H{-}O
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