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4 Fe + 3 O2 = 2 Fe2O3
BaI2 + RbF = BaF2 + RbI =>
BaI2 + 2 RbF = BaF2 + 2 RbI
F2 = F3 =>
3 F2 = 2 F3
Zn(s) + NaOH(ac) + H2O(l) = Na[Zn(OH)2](ac) + H2(g) =>
2 Zn(s) + 2 NaOH(ac) + 2 H2O(l) = 2 Na[Zn(OH)2](ac) + H2(g)
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Zn + NH2OH + HCl = ZnCl2 + NH3 + H2O =>
Zn + NH2OH + 2 HCl = ZnCl2 + NH3 + H2O
AgCl + Cl{-} = AgCl2{-} =>
AgCl + Cl{-} = AgCl2{-}
K2Cr2O7 + H2SO3 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 3 H2SO3 + H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O
HSO4 + H2O = H3O{+} + SO4{-} =>
HSO4 + H2O = H3O{+} + SO4{-}
HCl + Ag(NH3)2Cl = AgCl + NH4Cl =>
2 HCl + Ag(NH3)2Cl = AgCl + 2 NH4Cl
C2H3OH + O2 = CO2H2O =>
2 C2H3OH + 5 O2 = 4 CO2H2O
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
HIO4 + K(OH) = K(IO4) + H2O =>
HIO4 + K(OH) = K(IO4) + H2O
Cu + S = CuS2 =>
Cu + 2 S = CuS2
HI(aq) = H(aq) + I(aq) =>
HI(aq) = H(aq) + I(aq)
Cu + Ag = CuAg =>
Cu + Ag = CuAg
FeCl2 + AgNo3 = Fe(No3)2 + AgCl =>
FeCl2 + 2 AgNo3 = Fe(No3)2 + 2 AgCl
Sn(CO3)2 + AgNO3 = Sn(NO3)4 + Ag2CO3 =>
Sn(CO3)2 + 4 AgNO3 = Sn(NO3)4 + 2 Ag2CO3
C20H14O4 + NaOH + CO2 = NaCO2 + H2O =>
C20H14O4 + 86 NaOH + 66 CO2 = 86 NaCO2 + 50 H2O
CH3CH2Br + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + Br2 + H2O =>
2 CH3CH2Br + 2 KMnO4 + 3 H2SO4 = 2 CH3COOH + 2 MnSO4 + K2SO4 + Br2 + 4 H2O
Hg2(NO3)2 + NaOH = Hg2(OH)2 + NaNO3 =>
Hg2(NO3)2 + 2 NaOH = Hg2(OH)2 + 2 NaNO3
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
PH3 + O2 + NaOH = Na3PO4 + H2O =>
PH3 + 2 O2 + 3 NaOH = Na3PO4 + 3 H2O
N2O + H2O = NOH =>
N2O + H2O = 2 NOH
(NH4)2S + HgBr2 = NH4Br + HgS =>
(NH4)2S + HgBr2 = 2 NH4Br + HgS
K + O2 = K2O =>
4 K + O2 = 2 K2O
MnCl2 + NaOH + H2C2O4 = Na4[Mn(C2O4)3] + NaCl + H2O =>
MnCl2 + 6 NaOH + 3 H2C2O4 = Na4[Mn(C2O4)3] + 2 NaCl + 6 H2O
BaCl2 + Na2C2O4 = BaC2O4 + Na2Cl2 =>
BaCl2 + Na2C2O4 = BaC2O4 + Na2Cl2
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
KCl + O2 = KClO3 =>
2 KCl + 3 O2 = 2 KClO3
AlCl3 + I2 = AlI3 + Cl2 =>
2 AlCl3 + 3 I2 = 2 AlI3 + 3 Cl2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
LiH + SiCl4 = LiCl + SiH4 =>
4 LiH + SiCl4 = 4 LiCl + SiH4
S2O8{2-} + CrO2{-} + OH{-} = CrO4{2-} + SO4{2-} + H2O =>
3 S2O8{2-} + 2 CrO2{-} + 8 OH{-} = 2 CrO4{2-} + 6 SO4{2-} + 4 H2O
CH3NH2 + HNO2 = CH3OH + N2 + H2O =>
CH3NH2 + HNO2 = CH3OH + N2 + H2O
C3H7 + CH3CH2COOH = CH3CH2COOCH2CH3 + H2O =>
8 C3H7 + 17 CH3CH2COOH = 15 CH3CH2COOCH2CH3 + 4 H2O
C7H6O3 + C4H6O3 = C9H8O4 =>
11 C7H6O3 + C4H6O3 = 9 C9H8O4
Br{-} + NaOCl = NaBr + ClO{-} =>
Br{-} + NaOCl = NaBr + ClO{-}
C7H6O3 + C4H6O3 = C9H8O4 =>
11 C7H6O3 + C4H6O3 = 9 C9H8O4
Na2HPO4 + HBr = NaH2PO4 + NaBr =>
Na2HPO4 + HBr = NaH2PO4 + NaBr
Fe(OH)2 + HNO3 = Fe(NO3)2 + H2O =>
Fe(OH)2 + 2 HNO3 = Fe(NO3)2 + 2 H2O
KMnO4 + KNO2 + H2O = MnO2 + KNO3 + KOH =>
2 KMnO4 + 3 KNO2 + H2O = 2 MnO2 + 3 KNO3 + 2 KOH
I2 + O2 + H2O = HIO3 =>
2 I2 + 5 O2 + 2 H2O = 4 HIO3
KMnO4 + FeC2O4 + H2SO4 = K2SO4 + MnSO4 + CO2 + Fe2(SO4)3 + H2O =>
6 KMnO4 + 10 FeC2O4 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 20 CO2 + 5 Fe2(SO4)3 + 24 H2O
BaBr2 + Fe2(SO4)3 = Ba(SO4)3 + Fe2Br2 =>
BaBr2 + Fe2(SO4)3 = Ba(SO4)3 + Fe2Br2
H2SO4 + ZnS = ZnSO4 + H2 + S =>
H2SO4 + ZnS = ZnSO4 + H2 + S
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
Sn{+4} + Cl2 + H2O = ClO2{-} + Sn{+2} + H{+} =>
3 Sn{+4} + Cl2 + 4 H2O = 2 ClO2{-} + 3 Sn{+2} + 8 H{+}
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Ca + SiO3 = Ca(SiO3)2 =>
Ca + 2 SiO3 = Ca(SiO3)2
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