Equations balanced on the previous day | Equations balanced on the next day |
CH4 + 2 O2 = CO2 + 2 H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
P2O3 + HClO4 + H2O = H3PO4 + HCl =>
2 P2O3 + HClO4 + 6 H2O = 4 H3PO4 + HCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KCO3 + HNO3 = KNO3 + HCO3 =>
KCO3 + HNO3 = KNO3 + HCO3
Zn{+2} + NH4OH = (Zn(NH3)4){+2} + H2O =>
Zn{+2} + 4 NH4OH = (Zn(NH3)4){+2} + 4 H2O
KMnO4 + K2I + H2O = MnO2 + I2 + KOH =>
4 KMnO4 + 6 K2I + 8 H2O = 4 MnO2 + 3 I2 + 16 KOH
H2O + SO3{-2} = {-} + SO4{-2} + H{+} =>
H2O + SO3{-2} = 2e + SO4{-2} + 2 H{+}
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
BaCrO4 + Ni(OH)3 = Ba(OH)2 + Ni2(CrO4)3 =>
3 BaCrO4 + 2 Ni(OH)3 = 3 Ba(OH)2 + Ni2(CrO4)3
K + H2O + Sb(NO3)3 = H2 + Sb(OH)3 + KNO3 =>
6 K + 6 H2O + 2 Sb(NO3)3 = 3 H2 + 2 Sb(OH)3 + 6 KNO3
BaCl2 + K2Cr2O7 + CH3COONa + H2O = BaCrO4 + KCl + NaCl + CH3COOH =>
2 BaCl2 + K2Cr2O7 + 2 CH3COONa + H2O = 2 BaCrO4 + 2 KCl + 2 NaCl + 2 CH3COOH
FeCl3 + H2SO4 + KI = FeI2 + K2SO4 + HCl + I2 =>
2 FeCl3 + 3 H2SO4 + 6 KI = 2 FeI2 + 3 K2SO4 + 6 HCl + I2
HAsO2 + I2 + H2O = H3AsO4 + I{-} + H{+} =>
HAsO2 + I2 + 2 H2O = H3AsO4 + 2 I{-} + 2 H{+}
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
HgO5 = O2 + Hg =>
2 HgO5 = 5 O2 + 2 Hg
CO = C + CO2 =>
2 CO = C + CO2
CO = C + CO2 =>
2 CO = C + CO2
K2SiO3 + H2SO4 = K2SO4 + SiO2 + H2O =>
K2SiO3 + H2SO4 = K2SO4 + SiO2 + H2O
SnS + OH{-} + H2O2 = SnS3{2-} + SnO3{2-} + H2O =>
3 SnS + 6 OH{-} + 3 H2O2 = SnS3{2-} + 2 SnO3{2-} + 6 H2O
NaOH + CH3COOH = NaC2H3O2 + HOH =>
NaOH + CH3COOH = NaC2H3O2 + HOH
NO2 + CH4 = NO + CO2 + H2O =>
4 NO2 + CH4 = 4 NO + CO2 + 2 H2O
Sn{2+} + Cu = Sn + Cu{+} =>
Sn{2+} + 2 Cu = Sn + 2 Cu{+}
Na + I2 = Na2I =>
4 Na + I2 = 2 Na2I
Ni(NO3)2 + Na2CO3 = NiCO3 + NaNO3 =>
Ni(NO3)2 + Na2CO3 = NiCO3 + 2 NaNO3
Ni(NO3)2 + Na2CO3 = NiCO3 + NaNO3 =>
Ni(NO3)2 + Na2CO3 = NiCO3 + 2 NaNO3
FeO + H2O + CO2 = Fe2O3 + CH4 =>
8 FeO + 2 H2O + CO2 = 4 Fe2O3 + CH4
Zn(NO3)2 + Ba(OH)2 = Ba[Zn(OH)4] + Ba(NO3)2 =>
Zn(NO3)2 + 2 Ba(OH)2 = Ba[Zn(OH)4] + Ba(NO3)2
CH3COOH + NaNO2 + KI = CH3COONa + CH3COOK + I2 + NO + H2O =>
4 CH3COOH + 2 NaNO2 + 2 KI = 2 CH3COONa + 2 CH3COOK + I2 + 2 NO + 2 H2O
CH3COONa + H2O + Mg = Mg(OH)2 + CH3COOHNa =>
2 CH3COONa + 2 H2O + Mg = Mg(OH)2 + 2 CH3COOHNa
Al2O3 + NaHSO4 = Al2(SO4)3 + Na2SO4 + H2O =>
Al2O3 + 6 NaHSO4 = Al2(SO4)3 + 3 Na2SO4 + 3 H2O
KMnO4 + KNO2 + KHSO4 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 5 KNO2 + 6 KHSO4 = 2 MnSO4 + 3 H2O + 5 KNO3 + 4 K2SO4
Al2O3 + HCl = Al + Cl2 + H2O =>
Al2O3 + 6 HCl = 2 Al + 3 Cl2 + 3 H2O
Ni(NO3)2 + Na2CO3 = NiCO3 + NaNO3 =>
Ni(NO3)2 + Na2CO3 = NiCO3 + 2 NaNO3
NaOH + FeCl2 = NaCl + Fe(OH)2 =>
2 NaOH + FeCl2 = 2 NaCl + Fe(OH)2
N2H4 + Zn + HCl = ZnCl2 + NH3 =>
N2H4 + Zn + 2 HCl = ZnCl2 + 2 NH3
C6H12O6 + Cu(OH)2 = CuC12H22O14 + H2 =>
2 C6H12O6 + Cu(OH)2 = CuC12H22O14 + 2 H2
C + O2 = CO2 =>
C + O2 = CO2
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
KHSe + NaOH = KSe + H2O + Na2 =>
2 KHSe + 2 NaOH = 2 KSe + 2 H2O + Na2
SO3 + Br2 = S + BrO2 =>
4 SO3 + 3 Br2 = 4 S + 6 BrO2
NH3 + H2(SO4) = (NH4)2(SO4) =>
2 NH3 + H2(SO4) = (NH4)2(SO4)
Mg(OH)2 + H3PO4 = H2O + Mg3(PO4)2 =>
3 Mg(OH)2 + 2 H3PO4 = 6 H2O + Mg3(PO4)2
C2H5OH + K2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + H2O + K2SO4 =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + 7 H2O + K2SO4
SO2 + HIO3 + H2O = H2SO4 + I2 =>
5 SO2 + 2 HIO3 + 4 H2O = 5 H2SO4 + I2
(NH4)2SO4 + SrCl2 = NH4Cl + SrSO4 =>
(NH4)2SO4 + SrCl2 = 2 NH4Cl + SrSO4
Fe(OH)2 = FeOH2O =>
Fe(OH)2 = FeOH2O
HBr + CH3COONa = NaBr + CH3COOH =>
HBr + CH3COONa = NaBr + CH3COOH
K + ClO3 = KCl + O2 =>
2 K + 2 ClO3 = 2 KCl + 3 O2
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