Equations balanced on the previous day | Equations balanced on the next day |
4 Na + O2 = 2 Na2O
Na2B4O7 + H2O + HCl = NaCl + H3BO3 =>
Na2B4O7 + 5 H2O + 2 HCl = 2 NaCl + 4 H3BO3
NaBr + MnO2 + H2SO4 = MnSO4 + Br2 + H2O + NaHSO4 =>
2 NaBr + MnO2 + 3 H2SO4 = MnSO4 + Br2 + 2 H2O + 2 NaHSO4
Mn + N = Mn5N3 =>
5 Mn + 3 N = Mn5N3
MgF2 + Cl2 = MgCl2 + F2 =>
MgF2 + Cl2 = MgCl2 + F2
H2SO4(aq) + NaOH(s) = Na2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 NaOH(s) = Na2SO4(aq) + 2 H2O(l)
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
PbO + Cl2 + H2O = PbO2 + HCl =>
PbO + Cl2 + H2O = PbO2 + 2 HCl
Ni(NO3)2 + Na2CO3 = NiCO3 + Na2(NO3)2 =>
Ni(NO3)2 + Na2CO3 = NiCO3 + Na2(NO3)2
C2H5OH + CuO = C2H4O + Cu + H2O =>
C2H5OH + CuO = C2H4O + Cu + H2O
ZnH2SO4 = H2ZnSO4 =>
ZnH2SO4 = H2ZnSO4
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
K2Cr2O7 + Na2SO3 + H2SO4 = Cr2(S04)3 + Na2SO4 + K2SO4 + H2O =>
K2Cr2O7 + 42 Na2SO3 + 13 H2SO4 = Cr2(S04)3 + 42 Na2SO4 + K2SO4 + 13 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
S + KO2 = K2SO4 =>
S + 2 KO2 = K2SO4
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
CuSO4(aq)Fe(s) = FeSO4Cu =>
CuSO4(aq)Fe(s) = FeSO4Cu
Cr2(SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
HNO2 + K2Cr2O7 + H2SO4 = HNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 HNO2 + K2Cr2O7 + 4 H2SO4 = 3 HNO3 + K2SO4 + Cr2(SO4)3 + 4 H2O
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
HCOOH + CH3NH2 = CH3NH3 + HCOO =>
HCOOH + CH3NH2 = CH3NH3 + HCOO
MnSO4 + PbO2 + H2SO4 = HMnO4 + PbSO4 + H2O =>
2 MnSO4 + 5 PbO2 + 3 H2SO4 = 2 HMnO4 + 5 PbSO4 + 2 H2O
BaO2 + HCl = BaCl2 + H2O2 =>
BaO2 + 2 HCl = BaCl2 + H2O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
LiOH + CuSO4 = Li2SO4 + Cu(OH)2 =>
2 LiOH + CuSO4 = Li2SO4 + Cu(OH)2
CH3OH(l) + O2(g) = H2O(l) + CO(g) =>
CH3OH(l) + O2(g) = 2 H2O(l) + CO(g)
NaCl(aq) + KOH(aq) = KCl(aq) + NaOH(aq) =>
NaCl(aq) + KOH(aq) = KCl(aq) + NaOH(aq)
K + HS = KHS =>
K + HS = KHS
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
NaClO2 + Br2 + NaOH = Na2ClO4 + NaBr + H2O =>
2 NaClO2 + 3 Br2 + 8 NaOH = 2 Na2ClO4 + 6 NaBr + 4 H2O
Mg(OH)2 + NaSO3 = MgSO4 + Na + H2O =>
Mg(OH)2 + NaSO3 = MgSO4 + Na + H2O
MoO3 + FeSO4 = MoSO4 + FeO3 =>
MoO3 + FeSO4 = MoSO4 + FeO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Sn + KOH + H2O = K2SnO3 + H4 =>
Sn + 2 KOH + H2O = K2SnO3 + H4
G + H = GH =>
G + H = GH
Ag(NO3)(aq) + NaNH3H2O(aq) = NaH2O(NO3)(aq) + Ag(NH3) =>
Ag(NO3)(aq) + NaNH3H2O(aq) = NaH2O(NO3)(aq) + Ag(NH3)
BaBr2 + MgSO4 = MgBr2 + BaSO4 =>
BaBr2 + MgSO4 = MgBr2 + BaSO4
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
SrBr2 + (NH4)2CO3 = SrCO3 + NH4Br =>
SrBr2 + (NH4)2CO3 = SrCO3 + 2 NH4Br
Ni(s) + Cl2(g) = NiCl2 =>
Ni(s) + Cl2(g) = NiCl2
LiO + H2O = LiO2 + H2 =>
LiO + H2O = LiO2 + H2
Hg2I2 + O = Hg2O + I =>
Hg2I2 + O = Hg2O + 2 I
V + I2 = VI4 =>
V + 2 I2 = VI4
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
KOH + Ca(OH)2 = K(OH)2 + CaOH =>
KOH + Ca(OH)2 = K(OH)2 + CaOH
PbO + Cl2 + H2O = PbO2 + HCl =>
PbO + Cl2 + H2O = PbO2 + 2 HCl
CaMg(CO3)2 + H2SO4 = CaMg(SO4)2 + CO2 + H2O =>
CaMg(CO3)2 + 2 H2SO4 = CaMg(SO4)2 + 2 CO2 + 2 H2O
S + KO2 = K2SO4 =>
S + 2 KO2 = K2SO4
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
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