| Equations balanced on the previous day | Equations balanced on the next day |
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2 H2O = 2 H2 + O2
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
NaHCO3 = Na2O + H2O + CO2 =>
2 NaHCO3 = Na2O + H2O + 2 CO2
AgNO3 + H2SO4 = AgSO4 + H2NO3 =>
AgNO3 + H2SO4 = AgSO4 + H2NO3
AgNO3 + H2SO4 = AgSO4 + H2NO3 =>
AgNO3 + H2SO4 = AgSO4 + H2NO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H{+} + Cr2O7{2-} + SO3{2-} = SO4{2-} + Cr{3+} + H2O =>
8 H{+} + Cr2O7{2-} + 3 SO3{2-} = 3 SO4{2-} + 2 Cr{3+} + 4 H2O
Mn{2+} + OH{-} + O2 = MnO(OH)2 =>
2 Mn{2+} + 4 OH{-} + O2 = 2 MnO(OH)2
Cu2S + O2 = Cu2O + S =>
2 Cu2S + O2 = 2 Cu2O + 2 S
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
K + H2O = H2 + KOH =>
2 K + 2 H2O = H2 + 2 KOH
KI + KIO3 + HCl = I2 + H2O + KCl =>
5 KI + KIO3 + 6 HCl = 3 I2 + 3 H2O + 6 KCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C8H10 + O2 = CO2 + H2O =>
2 C8H10 + 21 O2 = 16 CO2 + 10 H2O
NH3 + F2 = N2F4 + HF =>
2 NH3 + 5 F2 = N2F4 + 6 HF
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Cu2S + O2 = Cu2O + S =>
2 Cu2S + O2 = 2 Cu2O + 2 S
NaOH + (NH4)2S2O8 + NiSO4 = Ni2O3 + Na2SO4 + (NH4)2SO4 + H2O =>
6 NaOH + (NH4)2S2O8 + 2 NiSO4 = Ni2O3 + 3 Na2SO4 + (NH4)2SO4 + 3 H2O
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
Ag + N2 = Ag3N =>
6 Ag + N2 = 2 Ag3N
NaOH + (NH4)2S2O8 + FeSO4 = Fe(OH)3 + Na2SO4 + (NH4)2SO4 =>
6 NaOH + (NH4)2S2O8 + 2 FeSO4 = 2 Fe(OH)3 + 3 Na2SO4 + (NH4)2SO4
KMnO4 + HBr = Br2 + MnBr2 + KBr + H2O =>
2 KMnO4 + 16 HBr = 5 Br2 + 2 MnBr2 + 2 KBr + 8 H2O
H{+} + CuS(s) + NO3{-}(aq) = Cu{2+}(aq) + S(s) + NO(g) + H2O =>
8 H{+} + 3 CuS(s) + 2 NO3{-}(aq) = 3 Cu{2+}(aq) + 3 S(s) + 2 NO(g) + 4 H2O
MnO2(s) + H2SO4(l) = Mn(SO4)2(s) + H2O =>
MnO2(s) + 2 H2SO4(l) = Mn(SO4)2(s) + 2 H2O
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
NaBr + (NH4)2S2O8 = Br2 + Na2SO4 + (NH4)2SO4 =>
2 NaBr + (NH4)2S2O8 = Br2 + Na2SO4 + (NH4)2SO4
MnO2 + H2SO4 = Mn(SO4)2 + H2O =>
MnO2 + 2 H2SO4 = Mn(SO4)2 + 2 H2O
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
MnO2 + H2O = Mn + OH =>
MnO2 + 2 H2O = Mn + 4 OH
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
FeS + HNO3 = Fe(NO3)3 + NO + S + H2O =>
FeS + 4 HNO3 = Fe(NO3)3 + NO + S + 2 H2O
C2H6O2 + O2 = CO2 + H2O =>
2 C2H6O2 + 5 O2 = 4 CO2 + 6 H2O
Sn(s) + NaOH(aq) = Na2SnO2(aq) + H2(g) =>
Sn(s) + 2 NaOH(aq) = Na2SnO2(aq) + H2(g)
AgNO3 + HCl = HNO3 + AgCl =>
AgNO3 + HCl = HNO3 + AgCl
AsH3(g) + KClO3(aq) = H3AsO4(aq) + KCl(aq) =>
3 AsH3(g) + 4 KClO3(aq) = 3 H3AsO4(aq) + 4 KCl(aq)
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Na2S + (NH4)2S2O8 = Na2SO4 + (NH4)2SO4 + S =>
Na2S + (NH4)2S2O8 = Na2SO4 + (NH4)2SO4 + S
Na2S + Fe(NO3)2 = NaNO3 + FeS =>
Na2S + Fe(NO3)2 = 2 NaNO3 + FeS
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
MoS2(s) + O2(g) = MoO3(s) + SO2 =>
2 MoS2(s) + 7 O2(g) = 2 MoO3(s) + 4 SO2
MnO2 + FeSO4 + H2SO4 = MnSO4 + Fe2(SO4)3 + H2O =>
MnO2 + 2 FeSO4 + 2 H2SO4 = MnSO4 + Fe2(SO4)3 + 2 H2O
Na2SO4 + Cu3(PO4)2 = CuSO4 + Na3(PO4) =>
3 Na2SO4 + Cu3(PO4)2 = 3 CuSO4 + 2 Na3(PO4)
NaOH + [NH4]3PO4 = Na3PO4 + H2O + NH3 =>
3 NaOH + [NH4]3PO4 = Na3PO4 + 3 H2O + 3 NH3
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| Equations balanced on the previous day | Equations balanced on the next day |
Equations balanced on 05/08/11
Equations balanced on 06/07/10
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