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2 H2 + O2 = 2 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KMnO4 + H2SO4 + KBr = Br2 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 KBr = 5 Br2 + 6 K2SO4 + 2 MnSO4 + 8 H2O
H2SO4 = H2 + SO4 =>
H2SO4 = H2 + SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg + CI2 = MgCI2 =>
Mg + CI2 = MgCI2
Fe + ZnSO4 = FeSO4 + Zn =>
Fe + ZnSO4 = FeSO4 + Zn
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
P2O5 + BaO = Ba3(PO4)2 =>
P2O5 + 3 BaO = Ba3(PO4)2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
LiH + Al + H2 = LiAlH4 =>
2 LiH + 2 Al + 3 H2 = 2 LiAlH4
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Cr2 + NiSO4 = CrSO4 + Ni2 =>
Cr2 + 2 NiSO4 = 2 CrSO4 + Ni2
NH3(aq) + H2O(l) + Mg(NO3)2(aq) = (NH4)2(NO3)(aq) + Mg(OH)(s) =>
37 NH3(aq) + 16 H2O(l) + 7 Mg(NO3)2(aq) = 17(NH4)2(NO3)(aq) + 7 Mg(OH)(s)
CUO + HCl = CUCl2H2O =>
CUO + 2 HCl = CUCl2H2O
H3Br3 + Na2O2H2 = NaBr + H2O =>
2 H3Br3 + 3 Na2O2H2 = 6 NaBr + 6 H2O
Cu(NO3)2 + H2SO4 = CuSO4 + HNO3 =>
Cu(NO3)2 + H2SO4 = CuSO4 + 2 HNO3
(NH2)2CO + O2 = CO2 + H2O + HNO =>
(NH2)2CO + 2 O2 = CO2 + H2O + 2 HNO
C10H18O + Na2Cr2O7 = C10H17O + Na + Cr + H2O =>
14 C10H18O + Na2Cr2O7 = 14 C10H17O + 2 Na + 2 Cr + 7 H2O
NH3 + K = KNH3 =>
NH3 + K = KNH3
C6H5COONa + NaOH = C6H6 + Na2CO3 =>
C6H5COONa + NaOH = C6H6 + Na2CO3
K2Cr2O7 + H2C2O4*H2O = K[Cr(C2O4)2(H2O)2](H2O)2 + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4*H2O = 2 K[Cr(C2O4)2(H2O)2](H2O)2 + 6 CO2 + 6 H2O
S + KCIO3 + H2O = CI + K2SO4 + H2SO4 =>
5 S + 6 KCIO3 + 2 H2O = 6 CI + 3 K2SO4 + 2 H2SO4
SrCl1 + Na2(SO4) = Sr2(SO4) + NaCl =>
2 SrCl1 + Na2(SO4) = Sr2(SO4) + 2 NaCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
K2MnO4 + FeSO4 + H2SO4 = K2SO4 + Fe2(SO4)3 + MnSO4 + H2O =>
K2MnO4 + 4 FeSO4 + 4 H2SO4 = K2SO4 + 2 Fe2(SO4)3 + MnSO4 + 4 H2O
C6H7NO(s) + C4H6O3(aq) = C8H9NO2(s) + CH3COOH(aq) =>
C6H7NO(s) + C4H6O3(aq) = C8H9NO2(s) + CH3COOH(aq)
X3{-2} + Cu{2} = X4{-2} + Cu{+} =>
4 X3{-2} + 2 Cu{2} = 3 X4{-2} + 2 Cu{+}
C6H6(i) + O2(g) = CO2(g) + H2O(g) =>
2 C6H6(i) + 15 O2(g) = 12 CO2(g) + 6 H2O(g)
K2Cr2O7 + H2SO4 + HCHO = K2SO4 + Cr2(SO4)3 + HCOOH + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 HCHO = K2SO4 + Cr2(SO4)3 + 3 HCOOH + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaBiO3 + NaI + H2O = Bi(OH)3 + I2 + NaOH =>
NaBiO3 + 2 NaI + 3 H2O = Bi(OH)3 + I2 + 3 NaOH
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
K2ZnO2 + H2SO4 = K2SO4 + ZnSO4 + H2O =>
K2ZnO2 + 2 H2SO4 = K2SO4 + ZnSO4 + 2 H2O
[Co(NH3)6]Cl3 + AgNO3 = [Co(NH3)6](NO3)3 + AgCl =>
[Co(NH3)6]Cl3 + 3 AgNO3 = [Co(NH3)6](NO3)3 + 3 AgCl
P4 + HBr = PBr + H =>
P4 + 4 HBr = 4 PBr + 4 H
PO4{-}3 + H2SO4{-}2 = SO4{-}2 + H2PO4{-}3 =>
PO4{-}3 + H2SO4{-}2 = SO4{-}2 + H2PO4{-}3
FeCl3 + K3[Fe(CN)6] + SnCl2 = SnCl4 + K[FeFe(CN)6] + KCl =>
2 FeCl3 + 2 K3[Fe(CN)6] + SnCl2 = SnCl4 + 2 K[FeFe(CN)6] + 4 KCl
Fe(NO3)3 + Na2CO3 = Fe2(CO3)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaNO3
Na2S + HOH = H2S + NaOH =>
Na2S + 2 HOH = H2S + 2 NaOH
BrO2 + OH{-} + N2O4 = BrO3{-} + H2O + NO2{-} =>
2 BrO2 + 4 OH{-} + N2O4 = 2 BrO3{-} + 2 H2O + 2 NO2{-}
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
SrCl1 + Na2(SO4) = Sr2(SO4) + NaCl =>
2 SrCl1 + Na2(SO4) = Sr2(SO4) + 2 NaCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C2H6 + Cl2 = H4Cl2 + H2C2 =>
C2H6 + Cl2 = H4Cl2 + H2C2
H2S + Na2O = H2O + Na2S =>
H2S + Na2O = H2O + Na2S
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AgCl + HCl = AgH + Cl =>
AgCl + HCl = AgH + 2 Cl
CuO + NH3 = N2 + Cu + H2O =>
3 CuO + 2 NH3 = N2 + 3 Cu + 3 H2O
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