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2 FeCl3 + H2S = 2 FeCl2 + S + 2 HCl
Fe2 + IO = FeIO =>
Fe2 + 2 IO = 2 FeIO
CH3COOC6H4COOH + H2O = H3O + CH3COOC6H4COO =>
CH3COOC6H4COOH + H2O = H3O + CH3COOC6H4COO
SnS2 + HCl = H2[SnCl6] + H2S =>
SnS2 + 6 HCl = H2[SnCl6] + 2 H2S
NaCl + H2S + Mn2O4 = MnS + Na2S + Cl + H2O =>
4 NaCl + 4 H2S + Mn2O4 = 2 MnS + 2 Na2S + 4 Cl + 4 H2O
Fe + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 Fe + 6 KMnO4 + 24 H2SO4 = 5 Fe2(SO4)3 + 6 MnSO4 + 3 K2SO4 + 24 H2O
BaCl2 + BaSO4 = BaCl + SO4 =>
BaCl2 + BaSO4 = 2 BaCl + SO4
K4(P2O5) + Au(OH)3 = K(OH) + Au4(P2O5)3 =>
3 K4(P2O5) + 4 Au(OH)3 = 12 K(OH) + Au4(P2O5)3
KNO3 + HBr = NO2 + H2O + KBr + O2 =>
4 KNO3 + 4 HBr = 4 NO2 + 2 H2O + 4 KBr + O2
C5H10 + CH3COOH = CH3COOC5*H4 + H2O =>
6 C5H10 + 55 CH3COOH = 20 CH3COOC5*H4 + 70 H2O
CaSO4 + H2SO4 = Ca(SO4)2 + H2 =>
CaSO4 + H2SO4 = Ca(SO4)2 + H2
AlF3 + Ba(HS)2 = BaF2 + Al(HS)3 =>
2 AlF3 + 3 Ba(HS)2 = 3 BaF2 + 2 Al(HS)3
C7H14 + Cl2 = C7H14Cl2 =>
C7H14 + Cl2 = C7H14Cl2
Fe + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 Fe + 6 KMnO4 + 24 H2SO4 = 5 Fe2(SO4)3 + 6 MnSO4 + 3 K2SO4 + 24 H2O
KBr + H2SO4 = K2SO4 + Br2 + SO2 + H2O =>
2 KBr + 2 H2SO4 = K2SO4 + Br2 + SO2 + 2 H2O
[Cr(N2H4CO)6]4[Cr(CN)6]3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
10[Cr(N2H4CO)6]4[Cr(CN)6]3 + 1176 KMnO4 + 1399 H2SO4 = 35 K2Cr2O7 + 1176 MnSO4 + 420 CO2 + 660 KNO3 + 223 K2SO4 + 1879 H2O
(e)Ni(ClO3)2(s) = NiCl2(s) + O2(g) =>
(e)Ni(ClO3)2(s) = NiCl2(s) + 3 O2(g)
UOSO4 + K2Cr2O7 + H2SO4 = UO2SO4 + Cr2(SO4)3 + H2O + K2SO4 =>
3 UOSO4 + K2Cr2O7 + 4 H2SO4 = 3 UO2SO4 + Cr2(SO4)3 + 4 H2O + K2SO4
Mg(g) + CuCl2(aq) = Cu(s) + MgCl2(aq) =>
Mg(g) + CuCl2(aq) = Cu(s) + MgCl2(aq)
I2 + C6H6 = C6H5I + H2 =>
I2 + 2 C6H6 = 2 C6H5I + H2
AsH3 + H2O2 = AsO2 + H2O =>
2 AsH3 + 7 H2O2 = 2 AsO2 + 10 H2O
CrO2{2-} + H2O2 = Cr(O2)4{2-} + H2O =>
CrO2{2-} + 6 H2O2 = Cr(O2)4{2-} + 6 H2O
AgNO3 + KHSO4 = Ag2SO4 + HNO3 + KNO3 =>
2 AgNO3 + KHSO4 = Ag2SO4 + HNO3 + KNO3
PbBr2 + N2 = Pb3N2 + Br2 =>
3 PbBr2 + N2 = Pb3N2 + 3 Br2
Ni2I + KCO3 = KNi2 + ICO3 =>
Ni2I + KCO3 = KNi2 + ICO3
HClO3 = ClO2 + O2 + H2O =>
4 HClO3 = 4 ClO2 + O2 + 2 H2O
H[Cr(OH)4] = H + [Cr(OH)4] =>
H[Cr(OH)4] = H + [Cr(OH)4]
KCl + Mg = K + MgCl =>
KCl + Mg = K + MgCl
Mn(s) + H2O = Mn(OH)4 + H2(s) =>
Mn(s) + 4 H2O = Mn(OH)4 + 2 H2(s)
Pb2 + (PO4)3 = Pb3(PO4)2 =>
9 Pb2 + 4(PO4)3 = 6 Pb3(PO4)2
CH3COONa + H2O + Mg = Mg(OH)2 + CH3COOHNa =>
2 CH3COONa + 2 H2O + Mg = Mg(OH)2 + 2 CH3COOHNa
CH4(g) + H2O(l) = CO(l) + H2(g) =>
CH4(g) + H2O(l) = CO(l) + 3 H2(g)
In + Nb + Se = InNbSe2 =>
In + Nb + 2 Se = InNbSe2
Na2S + Ba(NO3)2 = BaS + NaNO3 =>
Na2S + Ba(NO3)2 = BaS + 2 NaNO3
Fe(aq) + CuSO4(aq) = FeSO4(aq) + Cu(s) =>
Fe(aq) + CuSO4(aq) = FeSO4(aq) + Cu(s)
HCOH + KMnO4 = HCOOH + MnO2 + H2O + HCOOK =>
3 HCOH + 2 KMnO4 = HCOOH + 2 MnO2 + H2O + 2 HCOOK
Na2S + Ba(NO3)2 = BaS + NaNO3 =>
Na2S + Ba(NO3)2 = BaS + 2 NaNO3
PCl3 + H2O = H3PO3 + HCl(aq) =>
PCl3 + 3 H2O = H3PO3 + 3 HCl(aq)
Al + NaOH = H2 + Na3AlO3 =>
2 Al + 6 NaOH = 3 H2 + 2 Na3AlO3
FeO(OH) + KOH + Br2 = K2FeO4 + H2O + KBr =>
2 FeO(OH) + 10 KOH + 3 Br2 = 2 K2FeO4 + 6 H2O + 6 KBr
NaHSO4 + Na2CO3 = NaCO3 + Na2HSO4 =>
NaHSO4 + Na2CO3 = NaCO3 + Na2HSO4
Ga + CuSO4 = Ga2(SO4)3 + Cu =>
2 Ga + 3 CuSO4 = Ga2(SO4)3 + 3 Cu
HBr + Fe = HBrFe =>
HBr + Fe = HBrFe
H3PO4 + Na3O2H = Na3PO4 + H2O =>
H3PO4 + Na3O2H = Na3PO4 + 2 H2O
Mg + Co(ClO4)2 = Mg(ClO4)2 + Co =>
Mg + Co(ClO4)2 = Mg(ClO4)2 + Co
NaCH3OO + CH3COOH = CH3COONa + HCH3OO =>
NaCH3OO + CH3COOH = CH3COONa + HCH3OO
Al2Mg3 + HCl = H2 + Mg + AlCl3 =>
Al2Mg3 + 6 HCl = 3 H2 + 3 Mg + 2 AlCl3
Al(s) + Zn(NO3)2(aq) = Al(NO3)3 + Zn(s) =>
2 Al(s) + 3 Zn(NO3)2(aq) = 2 Al(NO3)3 + 3 Zn(s)
Al(OH)3 + H2CO3 = Al(HCO3)3 + H2O =>
Al(OH)3 + 3 H2CO3 = Al(HCO3)3 + 3 H2O
Co + H2SO4 + H2O = CoSO4(H2O)7 + H2 =>
Co + H2SO4 + 7 H2O = CoSO4(H2O)7 + H2
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