Equations balanced on the previous day | Equations balanced on the next day |
K2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = 3 Na2SO4 + K2SO4 + 4 H2O + Cr2(SO4)3
Zn + HCl(l) = ZnCl2 + H2 =>
Zn + 2 HCl(l) = ZnCl2 + H2
SnS + HNO3 = H2SO4 + NO2 + H2SnO3 + H2O =>
SnS + 10 HNO3 = H2SO4 + 10 NO2 + H2SnO3 + 3 H2O
Sb2O5 + HCl = H3SbCl6 + Cl2 + H2O =>
Sb2O5 + 16 HCl = 2 H3SbCl6 + 2 Cl2 + 5 H2O
H4P2O7 + Mg(OH)2 = (MgOH)4P2O7 + H2O =>
H4P2O7 + 4 Mg(OH)2 = (MgOH)4P2O7 + 4 H2O
HS + Mn(Cl)2 = Mn(S)2 + HCl =>
2 HS + Mn(Cl)2 = Mn(S)2 + 2 HCl
MgCl2 + LiPo4 = Mg(Po4)2 + LiCl =>
MgCl2 + 2 LiPo4 = Mg(Po4)2 + 2 LiCl
CuSO4 + Na = Na2(SO4)3 + Cu =>
3 CuSO4 + 2 Na = Na2(SO4)3 + 3 Cu
CH2OH{-}CHOH{-}CHOH{-}CH2OH + Na = CH2ONa{-}CHONa{-}CH2ONa + H2 =>
2 CH2OH{-}CHOH{-}CHOH{-}CH2OH + 2 Na = 2 CH2ONa{-}CHONa{-}CH2ONa + H2
Fe + C2H4O2 = FeC2H3O2 + H2 =>
2 Fe + 2 C2H4O2 = 2 FeC2H3O2 + H2
SnCl2 + F2 = SnF + Cl2 =>
2 SnCl2 + F2 = 2 SnF + 2 Cl2
CH3COOAg + KHSO4 = KAgSO4 + CH3COOH =>
CH3COOAg + KHSO4 = KAgSO4 + CH3COOH
NH3 + HF = NH5F2 =>
NH3 + 2 HF = NH5F2
Bi + H2O = BiH2O =>
Bi + H2O = BiH2O
Na3AsO4 + KI + H2SO4 = I2 + K2SO4 + H2O + Na3AsO3 =>
Na3AsO4 + 2 KI + H2SO4 = I2 + K2SO4 + H2O + Na3AsO3
Zn(s) + AgClO4(aq) = Ag(s) + Zn(ClO4)2(aq) =>
Zn(s) + 2 AgClO4(aq) = 2 Ag(s) + Zn(ClO4)2(aq)
Co2(SO4)3 + Na2CO3 = Co2CO3 + Na2(SO4)3 =>
Co2(SO4)3 + Na2CO3 = Co2CO3 + Na2(SO4)3
MnO4{-} + SO3{2-} + H2 = MnO2 + SO4{2-} + OH{-} =>
2 MnO4{-} + 2 SO3{2-} + H2 = 2 MnO2 + 2 SO4{2-} + 2 OH{-}
I + S = I(II)S2 =>
3 I + 2 S = I(II)S2
Fe + Zn(OH)2 = FeOH + Zn =>
2 Fe + Zn(OH)2 = 2 FeOH + Zn
NaCl(l) + AgNO3(l) = AgCl(s) + NaNO3(l) =>
NaCl(l) + AgNO3(l) = AgCl(s) + NaNO3(l)
C6H5CH3 + Br2 = C6H2Br + HBr =>
12 C6H5CH3 + 41 Br2 = 14 C6H2Br + 68 HBr
NaOH + (NH4)2CO3 = Na2CO3 + (NH3)2 + H2O =>
2 NaOH + (NH4)2CO3 = Na2CO3 + (NH3)2 + 2 H2O
IrCl2 + NaOH = Ir2 + HCl + NaCl + O2 =>
2 IrCl2 + 2 NaOH = Ir2 + 2 HCl + 2 NaCl + O2
CH2CH2 + KMnO4 + HOH = CH2OHCH2OH + MnO2 + KOH =>
3 CH2CH2 + 2 KMnO4 + 4 HOH = 3 CH2OHCH2OH + 2 MnO2 + 2 KOH
C2H4 + KMnO4 + H2O + H2SO4 = CH2(OH)CH2(OH) + MnSO4 + K2SO4 =>
5 C2H4 + 2 KMnO4 + 2 H2O + 3 H2SO4 = 5 CH2(OH)CH2(OH) + 2 MnSO4 + K2SO4
H2S + Hg{2+} + H2O = Hg + S + H3O{+} =>
H2S + Hg{2+} + 2 H2O = Hg + S + 2 H3O{+}
MnO + H2O = Mn(OH) + O =>
2 MnO + H2O = 2 Mn(OH) + O
KMn(O)4 + HCl = KCl + Mn(Cl)2 + H2O + Cl2 =>
2 KMn(O)4 + 16 HCl = 2 KCl + 2 Mn(Cl)2 + 8 H2O + 5 Cl2
W(OH3) + H2SO3 = WSO4 + H2 =>
2 W(OH3) + 2 H2SO3 = 2 WSO4 + 5 H2
Mn(SO4)2 + (NH4)2S = MnS2 + (NH4)2SO4 =>
Mn(SO4)2 + 2(NH4)2S = MnS2 + 2(NH4)2SO4
N2 + O5 = N2O3 =>
5 N2 + 3 O5 = 5 N2O3
NaHCO3 + H2S = Na2S + CO2 + H2O =>
2 NaHCO3 + H2S = Na2S + 2 CO2 + 2 H2O
Hg(NO3)2 + Na2SO4 = NaNO3(aq) + HgSO4(s) =>
Hg(NO3)2 + Na2SO4 = 2 NaNO3(aq) + HgSO4(s)
Al + NaNO3 + KOH + H2O = NaAlO2 + NH3 + KAlO2 =>
8 Al + 3 NaNO3 + 5 KOH + 2 H2O = 3 NaAlO2 + 3 NH3 + 5 KAlO2
HPO42{-} + H2O = PO43{-} + H3O =>
HPO42{-} + 4 H2O = PO43{-} + 3 H3O
Si + HNO3 = SiO2 + H2O + NO =>
3 Si + 4 HNO3 = 3 SiO2 + 2 H2O + 4 NO
HO + HCO2 = H2CO3 =>
HO + HCO2 = H2CO3
Ag + MgBr = AgBr + Mg =>
Ag + MgBr = AgBr + Mg
CH3(CH2)16COONa + CaCl2 = (CH3(CH2)16COO)2Ca + NaCl =>
2 CH3(CH2)16COONa + CaCl2 = (CH3(CH2)16COO)2Ca + 2 NaCl
MoS2 + O2 = MoO3 + SO =>
2 MoS2 + 5 O2 = 2 MoO3 + 4 SO
Al(s) + NaNO3(aq) = Na3 + Al(NO3)3 =>
Al(s) + 3 NaNO3(aq) = Na3 + Al(NO3)3
C + SiO2 + CI2 = SiCI4 + CO =>
C + SiO2 + 2 CI2 = SiCI4 + 2 CO
K2S + H2O + KMnO4 = S + KOH + MnS =>
7 K2S + 8 H2O + 2 KMnO4 = 5 S + 16 KOH + 2 MnS
Zn(OH)2 + H3Po4 = Zn3(Po4)2 + H2O =>
3 Zn(OH)2 + 2 H3Po4 = Zn3(Po4)2 + 6 H2O
KNOOO = KNOO + OO =>
2 KNOOO = 2 KNOO + OO
H2SO4 + NH3 = NH4 + SO4 =>
H2SO4 + 2 NH3 = 2 NH4 + SO4
C6H8O4 + NaHCO3 = H2O + CO2 + Na3C6H5O7 =>
3 C6H8O4 + 12 NaHCO3 = 8 H2O + 6 CO2 + 4 Na3C6H5O7
Na2S2O3 + CH3COOH = CH3COONa + S + SO2 + H2O =>
Na2S2O3 + 2 CH3COOH = 2 CH3COONa + S + SO2 + H2O
IO3{-2} + S2O3{2-} + H{+} = S4O6{2-} + I{-} + H2O =>
2 IO3{-2} + 10 S2O3{2-} + 12 H{+} = 5 S4O6{2-} + 2 I{-} + 6 H2O
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