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2 As2O3 + 6 Mg = 4 As + 3 Mg2O2
Ca(OH)2 + H(NO3) = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 H(NO3) = Ca(NO3)2 + 2 H2O
H3PO4 = P2O5 + H2O =>
2 H3PO4 = P2O5 + 3 H2O
ZnBr2 + H2S = ZnS + HBr =>
ZnBr2 + H2S = ZnS + 2 HBr
Li2SO3 + HClO4 = LiClO4 + H2O + SO2 =>
Li2SO3 + 2 HClO4 = 2 LiClO4 + H2O + SO2
Pb + (NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb + (NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
Ba(OH)2 + H(NO3) = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 H(NO3) = Ba(NO3)2 + 2 H2O
Na(s) + Br(s) = NaBr(s) =>
Na(s) + Br(s) = NaBr(s)
Ca(OCl)Cl + HCl = CaCl2 + H2O + Cl2 =>
Ca(OCl)Cl + 2 HCl = CaCl2 + H2O + Cl2
BaCl2(aq) + K2SO4 = BaSO4(s) + KCl(aq) =>
BaCl2(aq) + K2SO4 = BaSO4(s) + 2 KCl(aq)
Ca(OH)2 + H(NO3) = Ca(NO3)2 + H(OH) =>
Ca(OH)2 + 2 H(NO3) = Ca(NO3)2 + 2 H(OH)
CH3COONa + H2O + CO2 = NaHCO3 + CH3COOH =>
CH3COONa + H2O + CO2 = NaHCO3 + CH3COOH
HONH2 = OH + NH2 =>
HONH2 = OH + NH2
Na3Co(NO2)6 + K2CrO4 = KNa2Co(NO2)6 + Na2CrO4 =>
2 Na3Co(NO2)6 + K2CrO4 = 2 KNa2Co(NO2)6 + Na2CrO4
Fe(SCN)3 + SnCl2 = FeCl3 + Sn(SCN)2 =>
2 Fe(SCN)3 + 3 SnCl2 = 2 FeCl3 + 3 Sn(SCN)2
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
CH3COONH3CH3 + NaOH = CH3COONa + CH3NH2 + H2O =>
CH3COONH3CH3 + NaOH = CH3COONa + CH3NH2 + H2O
Ni3O4 + H2 = Ni + H2O =>
Ni3O4 + 4 H2 = 3 Ni + 4 H2O
*FeS2 + O2 = Fe2O3 + SO2 =>
4*FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
K4I2O9 + HNO3 = KIO4 + KNO3 + H2O =>
K4I2O9 + 2 HNO3 = 2 KIO4 + 2 KNO3 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CuS + H(NO3) = Cu(SO4) + NO + H2O =>
3 CuS + 8 H(NO3) = 3 Cu(SO4) + 8 NO + 4 H2O
Ru + KNO3 + KOH = KNO2 + K2RuO4 + H2O =>
Ru + 3 KNO3 + 2 KOH = 3 KNO2 + K2RuO4 + H2O
Co(OH)2 + H2SO4 = CoSO4 + H2O =>
Co(OH)2 + H2SO4 = CoSO4 + 2 H2O
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
I2 + MnO2 + HCl = HIO3 + MnCl2 + H2O =>
I2 + 5 MnO2 + 10 HCl = 2 HIO3 + 5 MnCl2 + 4 H2O
NH4Cl + I2 = NH4I + Cl2 =>
2 NH4Cl + I2 = 2 NH4I + Cl2
KMnO4 + K2SO3 + KOH = K2MnO4 + K2SO4 + H2O =>
2 KMnO4 + K2SO3 + 2 KOH = 2 K2MnO4 + K2SO4 + H2O
Na2Co3 + HF = Na2F + HCo3 =>
Na2Co3 + HF = Na2F + HCo3
Ca3(BO3)2 + HgSO3 = CaSO3 + Hg3(BO3)2 =>
Ca3(BO3)2 + 3 HgSO3 = 3 CaSO3 + Hg3(BO3)2
K2Cr2O7 = Cr2O3 + K2O + O2 =>
2 K2Cr2O7 = 2 Cr2O3 + 2 K2O + 3 O2
K2Cr2O7 = K + Cr + O =>
K2Cr2O7 = 2 K + 2 Cr + 7 O
H2SO4 + HCl = Cl2 + H2O + H2S =>
H2SO4 + 8 HCl = 4 Cl2 + 4 H2O + H2S
FeCl3 + KSCN + HCl = H3(Fe(SCN)6) + KCl =>
FeCl3 + 6 KSCN + 3 HCl = H3(Fe(SCN)6) + 6 KCl
K2Cr2O7 = K + Cr2O7 =>
K2Cr2O7 = 2 K + Cr2O7
H2SO4 + NH3 = (NH3)2SO3 + H2O =>
H2SO4 + 2 NH3 = (NH3)2SO3 + H2O
H2CO3 + Sr(OH)2 = Sr2(CO3)2 + (H2)2 + ((OH)2)2 =>
2 H2CO3 + 2 Sr(OH)2 = Sr2(CO3)2 + (H2)2 + ((OH)2)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
As2O3 + Mg = As + Mg2O2 =>
2 As2O3 + 6 Mg = 4 As + 3 Mg2O2
K2Cr2O7 = K + Cr + O2 =>
2 K2Cr2O7 = 4 K + 4 Cr + 7 O2
C8H7Br + KOH = Br + K + H2O + C8H5 =>
C8H7Br + 2 KOH = Br + 2 K + 2 H2O + C8H5
MnCl2 + Na2HPO4 = Mn3(PO4)2 + NaCl + NaH2PO4 =>
3 MnCl2 + 4 Na2HPO4 = Mn3(PO4)2 + 6 NaCl + 2 NaH2PO4
KCCO3 = KCC + O2 =>
2 KCCO3 = 2 KCC + 3 O2
Zn + CrC13 = CrC12 + ZnC12 =>
Zn + 12 CrC13 = 12 CrC12 + ZnC12
CH3OH + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + H2O + Cr2(SO4)3 =>
CH3OH + K2Cr2O7 + 4 H2SO4 = CO2 + K2SO4 + 6 H2O + Cr2(SO4)3
Na2CO3*10H2O + HCl = NaCl + CO2 + H2O =>
Na2CO3*10H2O + 2 HCl = 2 NaCl + CO2 + 11 H2O
C8H7Br + KOH = Br + K + H2O + C8H5 =>
C8H7Br + 2 KOH = Br + 2 K + 2 H2O + C8H5
FeCl3(s) + H2O = Fe(OH)3 + HCl =>
FeCl3(s) + 3 H2O = Fe(OH)3 + 3 HCl
BrO3{-} + C2H6O = CO2 + Br{-} + H2O =>
2 BrO3{-} + C2H6O = 2 CO2 + 2 Br{-} + 3 H2O
CO2(g) + H2(g) = C8H18(l) + H2O(l) =>
8 CO2(g) + 25 H2(g) = C8H18(l) + 16 H2O(l)
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