Equations balanced on the previous day | Equations balanced on the next day |
2 HCOOH + CaCO3 = (HCOO)2Ca + CO2 + H2O
Cu2CO3(OH)2 + SiO2 + CaCO3 = CaCuSi4O10 + CO2 + H2O =>
Cu2CO3(OH)2 + 8 SiO2 + 2 CaCO3 = 2 CaCuSi4O10 + 3 CO2 + H2O
H3NO3S + C2H5OH = (CH3)2C(OSO3H)C(O)NH2 + H2 =>
H3NO3S + 2 C2H5OH = (CH3)2C(OSO3H)C(O)NH2 + 3 H2
Cl2Hg + Al3 = Hg + AlCl3 =>
9 Cl2Hg + 2 Al3 = 9 Hg + 6 AlCl3
K3HAsO2 + I2 + KHCO3 = K3AsO4 + KI + CO2 + H2O =>
2 K3HAsO2 + 5 I2 + 10 KHCO3 = 2 K3AsO4 + 10 KI + 10 CO2 + 6 H2O
[Cu(NH3)4]SO4 + HNO3 = Cu(NO3)2 + (NH4)2SO4 + NH3 =>
[Cu(NH3)4]SO4 + 2 HNO3 = Cu(NO3)2 + (NH4)2SO4 + 2 NH3
Sc2(OH)3 + H(SeO4) = Sc2(SeO4)3 + H2O =>
Sc2(OH)3 + 3 H(SeO4) = Sc2(SeO4)3 + 3 H2O
Sr + Cl2 + H2O = HCl + Sr(OH) =>
2 Sr + Cl2 + 2 H2O = 2 HCl + 2 Sr(OH)
Mg = Mg{2+} + {-} =>
Mg = Mg{2+} + 2e
KBr + Na2CO3 = K2CO3 + NaBr =>
2 KBr + Na2CO3 = K2CO3 + 2 NaBr
Pb(ClO3) = PbCl + O2 =>
2 Pb(ClO3) = 2 PbCl + 3 O2
(NH4)3PO4(aq) + NaOH(aq) = Na3PO4 + NH3 + H2O =>
(NH4)3PO4(aq) + 3 NaOH(aq) = Na3PO4 + 3 NH3 + 3 H2O
OCa + H2O = Ca(OH)2 =>
OCa + H2O = Ca(OH)2
HMn04 + Al = Al(Mn04) + H2 =>
2 HMn04 + 2 Al = 2 Al(Mn04) + H2
NH4OH(aq) + CH3COOH(aq) = NH4CH3COO(aq) + H2O(l) =>
NH4OH(aq) + CH3COOH(aq) = NH4CH3COO(aq) + H2O(l)
(NH4)2C2O4 + KMnO4 + H2SO4 = MnSO4 + K2O2 + CO2 + N2 + H2O =>
(NH4)2C2O4 + 2 KMnO4 + 2 H2SO4 = 2 MnSO4 + K2O2 + 2 CO2 + N2 + 6 H2O
C3H7OH + H2CrO4 = CH3CO2H + H2Cr2O3 + H2O =>
4 C3H7OH + 6 H2CrO4 = 6 CH3CO2H + 3 H2Cr2O3 + 7 H2O
CaCO3 + SiO2 = CaO + Si2(CO3)4 =>
4 CaCO3 + 2 SiO2 = 4 CaO + Si2(CO3)4
N2OH + H2SO4 = H2O + N2 + N2(SO4)3 =>
6 N2OH + 3 H2SO4 = 6 H2O + 5 N2 + N2(SO4)3
Pb(C2H3O2)4 + Ag2S = PbS2 + Ag(C2H3O2) =>
Pb(C2H3O2)4 + 2 Ag2S = PbS2 + 4 Ag(C2H3O2)
Li + SrBr = Sr + LiBr2 =>
Li + 2 SrBr = 2 Sr + LiBr2
H2SO3 + KOH = H + SO3KO =>
H2SO3 + KOH = 3 H + SO3KO
MnO4{-} + HCOOH + H{+] = Mn{2+}+CO2+H2O =>
2 MnO4{-} + 5 HCOOH + 6 H{+] = 2 Mn{2+}+5CO2+8H2O
N2O5 + Ca(OH)2 = Ca(NO3)2 + H2O =>
N2O5 + Ca(OH)2 = Ca(NO3)2 + H2O
Co + NaCl = CoCl2 + Na =>
Co + 2 NaCl = CoCl2 + 2 Na
(NH4)2SO3 + HClO4 = NH4ClO4 + H2SO3 =>
(NH4)2SO3 + 2 HClO4 = 2 NH4ClO4 + H2SO3
MnC2O4*3H2O(s) + O2(g) = MnO(s) + H2O(g) + CO2(g) =>
2 MnC2O4*3H2O(s) + O2(g) = 2 MnO(s) + 6 H2O(g) + 4 CO2(g)
Cl + H2O = HCl + HClO3 =>
6 Cl + 3 H2O = 5 HCl + HClO3
SnCl4 + NH4OH = Sn(OH)4 + NH4Cl =>
SnCl4 + 4 NH4OH = Sn(OH)4 + 4 NH4Cl
NaCO3 + HCl = H2CO3 + NaCl2 =>
NaCO3 + 2 HCl = H2CO3 + NaCl2
H3CO{+} + e = CO + H =>
H3CO{+} + e = CO + 3 H
FeCl2 + Pb(PO4)2 = Fe(PO4)2 + PbCl2 =>
FeCl2 + Pb(PO4)2 = Fe(PO4)2 + PbCl2
H2SO4 + Na2S2O3 = H2O + Na2SO4 + SO =>
H2SO4 + Na2S2O3 = H2O + Na2SO4 + 2 SO
NH2OH + CuSO4 + NaOH = N2 + Cu + Na2SO3 + H2O =>
4 NH2OH + CuSO4 + 2 NaOH = 2 N2 + Cu + Na2SO3 + 7 H2O
C5H8(l) + O2(g) = CO2(g) + H2O(l) =>
C5H8(l) + 7 O2(g) = 5 CO2(g) + 4 H2O(l)
KNH2(aq) + H2S(aq) = KNH3 + HS =>
KNH2(aq) + H2S(aq) = KNH3 + HS
Na3AsO4 + Sn + HCl = H2SnO3 + As + NaCl + H2O =>
4 Na3AsO4 + 5 Sn + 12 HCl = 5 H2SnO3 + 4 As + 12 NaCl + H2O
FeO + Al = Fe + Al2O3 =>
3 FeO + 2 Al = 3 Fe + Al2O3
*4C + *6H2 + *O2 = *2C2H6O =>
*4C + *6H2 + *O2 = *2C2H6O
(NH4)3PO4(aq) + CaBr2(aq) = Ca3(PO4)2 + NH4Br(aq) =>
2(NH4)3PO4(aq) + 3 CaBr2(aq) = Ca3(PO4)2 + 6 NH4Br(aq)
C + H45 + O16 = C12H15O8 =>
72 C + 2 H45 + 3 O16 = 6 C12H15O8
Zn + ReO4 = Re + ZnO2 =>
2 Zn + ReO4 = Re + 2 ZnO2
Fe(s) + NaOH(aq) = Fe(OH)3 + Na(aq) =>
Fe(s) + 3 NaOH(aq) = Fe(OH)3 + 3 Na(aq)
Mn(NO3)2 + NaSiO3 = Mn(SiO3)2 + NaNO3 =>
Mn(NO3)2 + 2 NaSiO3 = Mn(SiO3)2 + 2 NaNO3
MgNH4PO4 + NaOH = Mg(OH)2 + NH3 + NaPO3 =>
MgNH4PO4 + NaOH = Mg(OH)2 + NH3 + NaPO3
FeO + Al = Fe + Al2O3 =>
3 FeO + 2 Al = 3 Fe + Al2O3
HPtCl4 + NaBH4 + H2O = Pt + H3BO3 + NaCl + HCl =>
8 HPtCl4 + 3 NaBH4 + 9 H2O = 8 Pt + 3 H3BO3 + 3 NaCl + 29 HCl
Si4H10 + O2 = SiO2 + H2O =>
2 Si4H10 + 13 O2 = 8 SiO2 + 10 H2O
HCOOH(aq) = H2O(l) + CO(g) =>
HCOOH(aq) = H2O(l) + CO(g)
Cu(OH)2 + NO2 = Cu(NO3)2 + H2 =>
Cu(OH)2 + 2 NO2 = Cu(NO3)2 + H2
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