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2 Pb + 2 HCI = 2 PbCI + H2
Al + Zn = AlZn3 =>
Al + 3 Zn = AlZn3
Na2O2 + HCl = H2O2 + NaCl =>
Na2O2 + 2 HCl = H2O2 + 2 NaCl
BrO = Br + BrO4 =>
4 BrO = 3 Br + BrO4
PbO + Al = Al2O3 + Pb =>
3 PbO + 2 Al = Al2O3 + 3 Pb
KI + NaNO2 = I2 + KNO2 + Na =>
2 KI + 2 NaNO2 = I2 + 2 KNO2 + 2 Na
KC1O3(s) = KC1(s) + O2 =>
2 KC1O3(s) = 2 KC1(s) + 3 O2
F2 + CuI2 = FI + Cu =>
F2 + CuI2 = 2 FI + Cu
Fe(NO3)3 + K2CO3 + H2O = Fe(OH)3 + KNO3 + CO2 =>
2 Fe(NO3)3 + 3 K2CO3 + 3 H2O = 2 Fe(OH)3 + 6 KNO3 + 3 CO2
ClO3{-} + SO2 = ClO2 + SO4{2-} =>
2 ClO3{-} + SO2 = 2 ClO2 + SO4{2-}
Al(NO3)3*9H2O = Al(NO3)3 + H2O =>
Al(NO3)3*9H2O = Al(NO3)3 + 9 H2O
K2Cr2O7 + SnCl2 + KOH = K3(Cr(OH)6) + K2SnO3 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 16 KOH = 2 K3(Cr(OH)6) + 3 K2SnO3 + 6 KCl + 2 H2O
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
Al(NO3)3*9H2O = Al(NO3)3 + H2O =>
Al(NO3)3*9H2O = Al(NO3)3 + 9 H2O
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3NH2 + C2H4O = CH3N(C2H4OH)2 =>
CH3NH2 + 2 C2H4O = CH3N(C2H4OH)2
Sn(NO3)4 + Na2S = Sn2S4 + NaNO3 =>
2 Sn(NO3)4 + 4 Na2S = Sn2S4 + 8 NaNO3
Ca + NdF3 = Nd + CaF2 =>
3 Ca + 2 NdF3 = 2 Nd + 3 CaF2
C3H6O3 + Ca(OH)2 = Ca(C3H5O3)2 + H2O =>
2 C3H6O3 + Ca(OH)2 = Ca(C3H5O3)2 + 2 H2O
NaHCO3 + C6H10O5 = CO2 + H2O + Na =>
24 NaHCO3 + C6H10O5 = 30 CO2 + 17 H2O + 24 Na
Cu(s) + S(g) = Cu2S(s) =>
2 Cu(s) + S(g) = Cu2S(s)
Li2 + O2 = Li2O2 =>
Li2 + O2 = Li2O2
Zn(s) + Ni(NO3)2(aq) = Zn(NO3)2 + Ni(s) =>
Zn(s) + Ni(NO3)2(aq) = Zn(NO3)2 + Ni(s)
Sn(ClO3)4 = SnCl4 + O2 =>
Sn(ClO3)4 = SnCl4 + 6 O2
Zn + AgBr = ZnBr2 + Ag =>
Zn + 2 AgBr = ZnBr2 + 2 Ag
W2O6 + H2 = W6 + H2O =>
3 W2O6 + 18 H2 = W6 + 18 H2O
(COOH)2 = COO + H =>
(COOH)2 = 2 COO + 2 H
CH2 + H2O = CH3CH2OH =>
2 CH2 + H2O = CH3CH2OH
CH2CHCH3 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 CH2CHCH3 + 18 KMnO4 + 27 H2SO4 = 15 CO2 + 18 MnSO4 + 9 K2SO4 + 42 H2O
Na2O + H4P2O7 = Na4P2O7 + H2O =>
2 Na2O + H4P2O7 = Na4P2O7 + 2 H2O
Ni + H = NiH2 =>
Ni + 2 H = NiH2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
H4P2O7 + Zn(OH)2 = Zn2P2O7 + H2O =>
H4P2O7 + 2 Zn(OH)2 = Zn2P2O7 + 4 H2O
Pd + HNO3 = Pd(NO3)2 + H2 =>
Pd + 2 HNO3 = Pd(NO3)2 + H2
C2H2 + CuCl + NH4OH = Cu2C2 + NH4Cl + H2O =>
C2H2 + 2 CuCl + 2 NH4OH = Cu2C2 + 2 NH4Cl + 2 H2O
P2 + H2O = PH3 + O2 =>
2 P2 + 6 H2O = 4 PH3 + 3 O2
MnBr2(aq) + Na2CO3(aq) = MnCO3(s) + NaBr(aq) =>
MnBr2(aq) + Na2CO3(aq) = MnCO3(s) + 2 NaBr(aq)
P2O3 + Fe(NO3)2 = P2O5 + Fe(NO2)2 =>
P2O3 + Fe(NO3)2 = P2O5 + Fe(NO2)2
H2O + NaCl2 + Tl = H2 + NaOH + TlCl =>
2 H2O + 2 NaCl2 + 4 Tl = H2 + 2 NaOH + 4 TlCl
CaCl2(aq) + NaCO3(aq) = Ca(CO3)2 + NaCl =>
CaCl2(aq) + 2 NaCO3(aq) = Ca(CO3)2 + 2 NaCl
(NH4)6Mo7O24 + SnCl2 + HCl = Mo5O14 + (NH4)2SnCl6 + NH4Cl + H2O =>
5(NH4)6Mo7O24 + 7 SnCl2 + 44 HCl = 7 Mo5O14 + 7(NH4)2SnCl6 + 16 NH4Cl + 22 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C + KMnO4 = K2CO3 + MnO + CO2 =>
5 C + 4 KMnO4 = 2 K2CO3 + 4 MnO + 3 CO2
FeCl2 + KClO + H2O = Fe(OH)3 + KCl + Cl2 =>
2 FeCl2 + 3 KClO + 3 H2O = 2 Fe(OH)3 + 3 KCl + 2 Cl2
CaCO3 + H2SO3 = CaSO3 + H2O + CO2 =>
CaCO3 + H2SO3 = CaSO3 + H2O + CO2
Fe(s) + HCl(g) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(g) = 2 FeCl3(aq) + 3 H2(g)
H2SO4 + O2 = H2O2 + SO4 =>
H2SO4 + O2 = H2O2 + SO4
B2O3 + K2O = KBO2 =>
B2O3 + K2O = 2 KBO2
Ba + C = BaC2 =>
Ba + 2 C = BaC2
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