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2 CrO4{2-} + S2O4{2-} + 4 H2O = 2 Cr(OH)3 + 2 SO4{2-} + 2 OH{-}
P + SO2 = P2O4 + S =>
2 P + 2 SO2 = P2O4 + 2 S
V2O3 + O2 = VO2 =>
2 V2O3 + O2 = 4 VO2
Cr2O7{-}2 + H2C2O4 + H{+} = Cr{+3} + CO2 + H2O =>
2 Cr2O7{-}2 + 7 H2C2O4 + 14 H{+} = 4 Cr{+3} + 14 CO2 + 14 H2O
CS = C + S8 =>
8 CS = 8 C + S8
Al + MgSO4 = Al(SO4)2 + Mg =>
Al + 2 MgSO4 = Al(SO4)2 + 2 Mg
K2CO3 + H2O = H2OK2CO3 =>
K2CO3 + H2O = H2OK2CO3
Na + HCl = NaCl + H =>
Na + HCl = NaCl + H
H3PO4 + Zn(OH)2 = H2O + Zn3(PO4)2 =>
2 H3PO4 + 3 Zn(OH)2 = 6 H2O + Zn3(PO4)2
Sn + HCl = SnCl4 + H =>
Sn + 4 HCl = SnCl4 + 4 H
CH3COOH + Ba(OH)2 = CH3COO(OH)2 + BaH =>
CH3COOH + Ba(OH)2 = CH3COO(OH)2 + BaH
Na3PO4(aq) + Mg(ClO2)2(aq) = Mg3(PO4)2(s) + NaClO2(aq) =>
2 Na3PO4(aq) + 3 Mg(ClO2)2(aq) = Mg3(PO4)2(s) + 6 NaClO2(aq)
C14H30 = C7H16 + C2H4 =>
2 C14H30 = 2 C7H16 + 7 C2H4
KI + AgNO3 = K(NO3) + AgI =>
KI + AgNO3 = K(NO3) + AgI
C2H4 + OH = C2H4(OH)2 =>
C2H4 + 2 OH = C2H4(OH)2
FeCl3*6H2O + NaOH = H2O + NaCl + Fe(OH)3 =>
FeCl3*6H2O + 3 NaOH = 6 H2O + 3 NaCl + Fe(OH)3
NaOH + Cu(H2O)6{2+} + CuCl4{2-} = Cu(OH)2 + NaCl + H2O =>
4 NaOH + Cu(H2O)6{2+} + CuCl4{2-} = 2 Cu(OH)2 + 4 NaCl + 6 H2O
Ce{+4} + As{+3} = Ce{+3} + As{+5} =>
2 Ce{+4} + As{+3} = 2 Ce{+3} + As{+5}
C9H16O4 + NaOH = Na2C9H14O4 + H2O =>
C9H16O4 + 2 NaOH = Na2C9H14O4 + 2 H2O
Sn + HCl = SnCl2 + H =>
Sn + 2 HCl = SnCl2 + 2 H
H2O2 + SCN{-} = HCO3{-} + HSO4{-} + NH4{+} + H2 =>
7 H2O2 + 2 SCN{-} = 2 HCO3{-} + 2 HSO4{-} + 2 NH4{+} + H2
AlO + H2O = Al + OH =>
AlO + H2O = Al + 2 OH
K2S2O4 + K2CrO4 + HCl = Cr2(SO3)3 + K2SO3 + KCl + H2O =>
3 K2S2O4 + 2 K2CrO4 + 4 HCl = Cr2(SO3)3 + 3 K2SO3 + 4 KCl + 2 H2O
SrCO3 + CeO2 = Sr2CeO4 + CO2 =>
2 SrCO3 + CeO2 = Sr2CeO4 + 2 CO2
N2 + S8 = N2S5 =>
8 N2 + 5 S8 = 8 N2S5
C9H7N + H2 = C9H11N =>
C9H7N + 2 H2 = C9H11N
C5H8 + H2 = C5H10 =>
C5H8 + H2 = C5H10
K3[Fe(CN)6] + NaOH = Fe(OH)3 + NaCN + KCN =>
K3[Fe(CN)6] + 3 NaOH = Fe(OH)3 + 3 NaCN + 3 KCN
K2CO3 + CrCl3 = KCl + Cr2(CO3)3 =>
3 K2CO3 + 2 CrCl3 = 6 KCl + Cr2(CO3)3
CU + O = CUO =>
CU + O = CUO
Mg(s) + Fe2(SO4)3(aq) = Fe + MgSO4 =>
3 Mg(s) + Fe2(SO4)3(aq) = 2 Fe + 3 MgSO4
Zn(NO3)2 + NaIO3 = ZnIO3 + Na(NO3)2 =>
Zn(NO3)2 + NaIO3 = ZnIO3 + Na(NO3)2
Al2(SO4)3*18H2O + HCO3 = Al(OH)3 + SO4 + CO2 + H2O =>
Al2(SO4)3*18H2O + 6 HCO3 = 2 Al(OH)3 + 3 SO4 + 6 CO2 + 18 H2O
S + CuSO4 = SSO4 + Cu =>
S + CuSO4 = SSO4 + Cu
KBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
Mg + KMnO4 = MgO + KMnO3 =>
Mg + KMnO4 = MgO + KMnO3
AgCl + H2SO4 = Ag2SO4 + HCl =>
2 AgCl + H2SO4 = Ag2SO4 + 2 HCl
PbCl2 + O2 = Pb(ClO3)2 =>
PbCl2 + 3 O2 = Pb(ClO3)2
PbCl2 + H2SO4 = PbSO4 + HCl =>
PbCl2 + H2SO4 = PbSO4 + 2 HCl
C2H4 + HCN = C3H5N =>
C2H4 + HCN = C3H5N
CuCl + F2 = CuF + Cl2 =>
2 CuCl + F2 = 2 CuF + Cl2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Fe + PbO = FeO + Pb =>
Fe + PbO = FeO + Pb
O2H2 = OH =>
O2H2 = 2 OH
Cu + O = Cu2O =>
2 Cu + O = Cu2O
C3H5OH + KMnO4 + H2SO4 = CO2 + K2SO4 + H2O + MnSO4 =>
5 C3H5OH + 16 KMnO4 + 24 H2SO4 = 15 CO2 + 8 K2SO4 + 39 H2O + 16 MnSO4
Na(HCO3) = Na2(CO3) + CO2 + H2O =>
2 Na(HCO3) = Na2(CO3) + CO2 + H2O
K2SO3 + NaCl = KCl + Na2SO3 =>
K2SO3 + 2 NaCl = 2 KCl + Na2SO3
Al(OH)3 + HCN = Al(CN)3 + H2O =>
Al(OH)3 + 3 HCN = Al(CN)3 + 3 H2O
CrI3 + KOH + Cl2 = H2O + K2CrO4 + KCl + KIO4 =>
2 CrI3 + 64 KOH + 27 Cl2 = 32 H2O + 2 K2CrO4 + 54 KCl + 6 KIO4
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