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2 CH4 = C2H2 + 3 H2
CuSO4 + NaNO3 = Cu(NO3)2 + Na2SO4 =>
CuSO4 + 2 NaNO3 = Cu(NO3)2 + Na2SO4
KO2 + CO2 = K2CO3 + O2(g) =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2(g)
Zn + K4[Fe(CN)6] = K2Zn3[Fe(CN)6]2 + K =>
3 Zn + 2 K4[Fe(CN)6] = K2Zn3[Fe(CN)6]2 + 6 K
Cu(OH)2 + AsH3 = Cu3As2 + H2O =>
3 Cu(OH)2 + 2 AsH3 = Cu3As2 + 6 H2O
AsCl + H{2}S = As{2}S{3} + HCl =>
AsCl + H{2}S = As{2}S{3} + HCl
K2SO4 + H2SO4 = KHSO4 =>
K2SO4 + H2SO4 = 2 KHSO4
SrCrO4 = Sr + Cr + O =>
SrCrO4 = Sr + Cr + 4 O
C6H5COOH + KOH = KC6H5COO + H2O =>
C6H5COOH + KOH = KC6H5COO + H2O
Zn + Au(NO2)3 = Zn(NO2)3 + Au =>
Zn + Au(NO2)3 = Zn(NO2)3 + Au
K2FeO4 + KI + H2O = Fe(OH)3 + KIO4 + KOH =>
8 K2FeO4 + 3 KI + 20 H2O = 8 Fe(OH)3 + 3 KIO4 + 16 KOH
IO2 + OH{-} = IO3{-} + H2O + e =>
IO2 + 2 OH{-} = IO3{-} + H2O + e
CaCl2(aq) + K2SO3(aq) = CaSO3(s) + KCl(aq) =>
CaCl2(aq) + K2SO3(aq) = CaSO3(s) + 2 KCl(aq)
Cu + Na2SO3 = CuSO3 + Na =>
Cu + Na2SO3 = CuSO3 + 2 Na
Na2CO3(aq) + HCl(l) = NaCl(aq) + CO2(g) + H2O(l) =>
Na2CO3(aq) + 2 HCl(l) = 2 NaCl(aq) + CO2(g) + H2O(l)
NH3Cl + Ca(OH)2 = CaCl + NO3 + NH3 + H2O =>
9 NH3Cl + 9 Ca(OH)2 = 9 CaCl + 2 NO3 + 7 NH3 + 12 H2O
Al2O3 + NaOH = Na3AlO3 + H2O =>
Al2O3 + 6 NaOH = 2 Na3AlO3 + 3 H2O
KIO3(aq) + NaHSO3(aq) = I2(aq) + Na2SO4(aq) + H2SO4(aq) + K2SO4(aq) + H2O(l) =>
4 KIO3(aq) + 10 NaHSO3(aq) = 2 I2(aq) + 5 Na2SO4(aq) + 3 H2SO4(aq) + 2 K2SO4(aq) + 2 H2O(l)
NaCl + H2SO4 = NaSO4 + H2Cl =>
NaCl + H2SO4 = NaSO4 + H2Cl
N2I3H3 = N2 + NH4I + I2 =>
8 N2I3H3 = 5 N2 + 6 NH4I + 9 I2
HNO3 + HI = NO2 + HIO3 + H2O =>
6 HNO3 + HI = 6 NO2 + HIO3 + 3 H2O
ArBr = Ar + Br =>
ArBr = Ar + Br
PCl5 + NH4Cl = PNCl2 + HCl =>
PCl5 + NH4Cl = PNCl2 + 4 HCl
Zn + CrNO3 = Cr + Zn(NO3)2 =>
Zn + 2 CrNO3 = 2 Cr + Zn(NO3)2
C4H8Cl2 + Mg = C4H8Cl2Mg2 =>
C4H8Cl2 + 2 Mg = C4H8Cl2Mg2
ZnCl2 + HCl + K2Cr2O7 = ZnCl3 + KCl + CrCl3 + H2O =>
6 ZnCl2 + 14 HCl + K2Cr2O7 = 6 ZnCl3 + 2 KCl + 2 CrCl3 + 7 H2O
CH3COOH + H2O = CH3COO + H3O =>
CH3COOH + H2O = CH3COO + H3O
K2CrO4(aq) + Ba(NO3)2(aq) = BaCrO4(s) + KNO3(aq) =>
K2CrO4(aq) + Ba(NO3)2(aq) = BaCrO4(s) + 2 KNO3(aq)
KOH + H2O = KO2H3 =>
KOH + H2O = KO2H3
HNO3 + HI = NO2 + I2 + H2O =>
2 HNO3 + 2 HI = 2 NO2 + I2 + 2 H2O
KO2 + HCl = KCl + H2O2 + O2 =>
2 KO2 + 2 HCl = 2 KCl + H2O2 + O2
Al2 + O3 + HBr = AlBr3 + H2O =>
Al2 + O3 + 6 HBr = 2 AlBr3 + 3 H2O
KI + C6H10O5 + Br2 = C6H10O5I2 + KBr =>
2 KI + C6H10O5 + Br2 = C6H10O5I2 + 2 KBr
Ba(NO3)2 + NH4(OH) = Ba(OH)2 + NH4NO3 =>
Ba(NO3)2 + 2 NH4(OH) = Ba(OH)2 + 2 NH4NO3
CO2 + H2O = C12H26 + O2 =>
24 CO2 + 26 H2O = 2 C12H26 + 37 O2
NH4 + HOH = NH4OH + H =>
NH4 + HOH = NH4OH + H
As2O5 + H2SO4 + Zn = AsH3 + H2O + ZnSO4 =>
As2O5 + 8 H2SO4 + 8 Zn = 2 AsH3 + 5 H2O + 8 ZnSO4
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
KI + NH4OH = KNH4 + IOH =>
KI + NH4OH = KNH4 + IOH
Fe + OH = Fe(OH)3 =>
Fe + 3 OH = Fe(OH)3
MnO2 + C6H12O6 + H2SO4 = MnSO4 + CO2 + H2O =>
12 MnO2 + C6H12O6 + 12 H2SO4 = 12 MnSO4 + 6 CO2 + 18 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
MgCl2 + KNO3 = K2Cl2 + Mg(NO3)2 =>
MgCl2 + 2 KNO3 = K2Cl2 + Mg(NO3)2
KOH + ZnCO3 = K2CO3 + Zn(OH)2 =>
2 KOH + ZnCO3 = K2CO3 + Zn(OH)2
FeO + H2O2 = Fe2O3 + H2 =>
4 FeO + H2O2 = 2 Fe2O3 + H2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
(NH4)2CO3(aq) = NH3(g) + H2O(l) + CO2(g) =>
(NH4)2CO3(aq) = 2 NH3(g) + H2O(l) + CO2(g)
Ni{2+} + NH3 = Ni(NH3)6{2+} =>
Ni{2+} + 6 NH3 = Ni(NH3)6{2+}
K2Cr2O7 + K2SO4 + H2SO4 = Cr2(SO4)3 + H2O + K2S2O8 =>
K2Cr2O7 + 2 K2SO4 + 7 H2SO4 = Cr2(SO4)3 + 7 H2O + 3 K2S2O8
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