Equations balanced on the previous day | Equations balanced on the next day |
4 Na(s) + O2(g) = 2 Na2O(s)
CaCO3 + C6H8O7 = Ca + H2O + CO2 =>
9 CaCO3 + C6H8O7 = 9 Ca + 4 H2O + 15 CO2
Zn(OH)2 + Ca(OH)2 = Ca2[Zn(OH)6] =>
Zn(OH)2 + 2 Ca(OH)2 = Ca2[Zn(OH)6]
Fe2S3(s) + O2(g) = FeO(s) + SO2(g) =>
Fe2S3(s) + 4 O2(g) = 2 FeO(s) + 3 SO2(g)
Na2O + NH3 + HCNO + C6H12O6 = NaCN + H2O =>
6 Na2O + 6 NH3 + 6 HCNO + C6H12O6 = 12 NaCN + 18 H2O
O2 + Cl2 = Cl2O5 =>
5 O2 + 2 Cl2 = 2 Cl2O5
Pb(NO3)2(aq) + KOH(aq) = Pb(OH)2 + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KOH(aq) = Pb(OH)2 + 2 KNO3(aq)
CH3NHNH2 + N2O4 = N2 + H2O + CO2 =>
4 CH3NHNH2 + 5 N2O4 = 9 N2 + 12 H2O + 4 CO2
FeCl2 + KMnO4 + HCl = FeCl3 + MnCl2 + H2O + KCl =>
5 FeCl2 + KMnO4 + 8 HCl = 5 FeCl3 + MnCl2 + 4 H2O + KCl
SbCl5 + H2O = Sb2O5 + HCl =>
2 SbCl5 + 5 H2O = Sb2O5 + 10 HCl
CrO7{2{-})+H{+}+e = H2O+Cr{+3} =>
CrO7{2{-})+14H{+}+13e = 7 H2O+Cr{+3}
Ni + Pt(SO4)2 = NiSO4 + Pt =>
2 Ni + Pt(SO4)2 = 2 NiSO4 + Pt
CaCO3 + H2SO4 = CaSO4 + CO2H2O =>
CaCO3 + H2SO4 = CaSO4 + CO2H2O
Sn{2+} + Hg{2+} = Sn{4+} + Hg2{2+} =>
Sn{2+} + 2 Hg{2+} = Sn{4+} + Hg2{2+}
Na(s) + O2(g) = Na2O2(s) =>
2 Na(s) + O2(g) = Na2O2(s)
MnO2 + HCOOH = MnCO2 + CO2 + H2O =>
MnO2 + 2 HCOOH = MnCO2 + CO2 + 2 H2O
KClO + Si = SiClO + K =>
KClO + Si = SiClO + K
Ba(C2H3O2)2 + Fe2(SO4)3 = Ba2(SO4)2 + Fe(C2H3O2)3 =>
6 Ba(C2H3O2)2 + 2 Fe2(SO4)3 = 3 Ba2(SO4)2 + 4 Fe(C2H3O2)3
Al + KNO2 + KOH + H2O = K(Al(OH)4) + NH3 =>
2 Al + KNO2 + KOH + 5 H2O = 2 K(Al(OH)4) + NH3
C176H266O2 + NH4NO3 = CO2 + H2O + N2 =>
C176H266O2 + 483 NH4NO3 = 176 CO2 + 1099 H2O + 483 N2
Nh + Br = NhBr =>
Nh + Br = NhBr
Mn(OH)2 + Na2CO3 + KNO3 = KNO2 + CO2 + H2O + Na2MnO4 =>
Mn(OH)2 + Na2CO3 + 2 KNO3 = 2 KNO2 + CO2 + H2O + Na2MnO4
Fe2(SO4)3 + Na2SO4 = NaFeO2 + SO3 =>
Fe2(SO4)3 + Na2SO4 = 2 NaFeO2 + 4 SO3
NaOH(aq) + K2SO4(aq) = Na2SO4 + KOH(aq) =>
2 NaOH(aq) + K2SO4(aq) = Na2SO4 + 2 KOH(aq)
NaH(CO3) = Na2(CO3) + H2O + CO2 =>
2 NaH(CO3) = Na2(CO3) + H2O + CO2
Hg2(NO3)2 + SnCl2 = Hg2Cl2 + Sn(NO3)2 =>
Hg2(NO3)2 + SnCl2 = Hg2Cl2 + Sn(NO3)2
Fe2O3 + CO = Fe3C + CO2 =>
3 Fe2O3 + 13 CO = 2 Fe3C + 11 CO2
(NH4)2CO3 + H2O = NH4HCO3 + (NH4)OH =>
(NH4)2CO3 + H2O = NH4HCO3 + (NH4)OH
HCl(aq) = H(g) + Cl(g) =>
HCl(aq) = H(g) + Cl(g)
C17H35COOH + MgCO3 = C17H35COOHMg + CO2 + H2O =>
53 C17H35COOH + 52 MgCO3 = 52 C17H35COOHMg + 70 CO2 + 18 H2O
Na2SO4(aq) + Pb(NO3)2(aq) = NaNO3 + PbSO4 =>
Na2SO4(aq) + Pb(NO3)2(aq) = 2 NaNO3 + PbSO4
Al + NiSO4 = Al2(SO4)3 + Ni =>
2 Al + 3 NiSO4 = Al2(SO4)3 + 3 Ni
Ca(PO4)2 + SiO2 + C = Ca2SiO3 + P4 + CO =>
2 Ca(PO4)2 + SiO2 + 15 C = Ca2SiO3 + P4 + 15 CO
HI + ICl = I + HCl =>
HI + ICl = 2 I + HCl
Br(OH)2 + SO2 = BrSO3 + H2O =>
Br(OH)2 + SO2 = BrSO3 + H2O
K2S2O8 = K2 + S2O8 =>
K2S2O8 = K2 + S2O8
AgNO3 + Cu = Ag + Cu(NO3)2 =>
2 AgNO3 + Cu = 2 Ag + Cu(NO3)2
Ni + FeCl2 = NiCl + Fe =>
2 Ni + FeCl2 = 2 NiCl + Fe
H3O + Se + O2 = H2SeO4 =>
2 H3O + 3 Se + 5 O2 = 3 H2SeO4
CoCl2 + HCl = CoCl3 + H2 =>
2 CoCl2 + 2 HCl = 2 CoCl3 + H2
CCl4 + HCl = CH2Cl2 + Cl2 =>
CCl4 + 2 HCl = CH2Cl2 + 2 Cl2
Na2S + Pb(NO2)4 = NaNO2 + PbS2 =>
2 Na2S + Pb(NO2)4 = 4 NaNO2 + PbS2
H{+} + Cr2O7{-2} + C2H5OH = Cr{3+} + C2H4O + H2O =>
8 H{+} + Cr2O7{-2} + 3 C2H5OH = 2 Cr{3+} + 3 C2H4O + 7 H2O
Bi + CuSO4 = Bi2(SO4)3 + Cu =>
2 Bi + 3 CuSO4 = Bi2(SO4)3 + 3 Cu
K2Cr2O7 + NaOH + Na2SO3 = Na2CrO4 + K2SO3 + H2O =>
K2Cr2O7 + 2 NaOH + Na2SO3 = 2 Na2CrO4 + K2SO3 + H2O
Fe2(SO4)3 + KI = FeI3 + K2SO4 =>
Fe2(SO4)3 + 6 KI = 2 FeI3 + 3 K2SO4
NH3*H2O + Cu(NO3)2 = NH4NO3 + Cu(OH)2 =>
2 NH3*H2O + Cu(NO3)2 = 2 NH4NO3 + Cu(OH)2
C3H5(COOH)3 + NaHCO3 = C3H5O(COONa)3 + CO2 + H2O =>
9 C3H5(COOH)3 + 30 NaHCO3 = 10 C3H5O(COONa)3 + 24 CO2 + 26 H2O
C2H2 + KMnO4 = MnO2 + K2C2O4 + KOH + H2O =>
3 C2H2 + 8 KMnO4 = 8 MnO2 + 3 K2C2O4 + 2 KOH + 2 H2O
K2SO3 + H2O = K2O + H2SO3 =>
K2SO3 + H2O = K2O + H2SO3
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