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60 H + CO32 = CO2 + 30 H2O
CaCO3 + CH3COOH = Ca(CH3CO)2 + H2O + CO2 =>
2 CaCO3 + 5 CH3COOH = 2 Ca(CH3CO)2 + 4 H2O + 4 CO2
Sn2 + HCl = SnCl4 + H2 =>
Sn2 + 8 HCl = 2 SnCl4 + 4 H2
CH3OH + C2H2O4 = CH3(COO)2 + H2O =>
8 CH3OH + 11 C2H2O4 = 10 CH3(COO)2 + 12 H2O
H2O + OCl = Cl2O + OH =>
H2O + 2 OCl = Cl2O + 2 OH
NH2CH(CH3)COOH + Na = NH2CH(CH3)COONa + H2 =>
2 NH2CH(CH3)COOH + 2 Na = 2 NH2CH(CH3)COONa + H2
NaC2H3O2 + Fe2(SO4)3 = Fe(C2H3O2)3 + Na2SO4 =>
6 NaC2H3O2 + Fe2(SO4)3 = 2 Fe(C2H3O2)3 + 3 Na2SO4
Fr + HCl = FrCl + H =>
Fr + HCl = FrCl + H
Gd2O3 + H2SO4 = Gd2(SO4)3 + H2O =>
Gd2O3 + 3 H2SO4 = Gd2(SO4)3 + 3 H2O
Li2(CO3) + Cu(NO3)2 = Li(NO3) + Cu(CO3) =>
Li2(CO3) + Cu(NO3)2 = 2 Li(NO3) + Cu(CO3)
KI + CuSO4 = K2SO4 + CuI + I2 =>
4 KI + 2 CuSO4 = 2 K2SO4 + 2 CuI + I2
Bi(OH)3 + HCl = Bi(OH)2Cl + H2O =>
Bi(OH)3 + HCl = Bi(OH)2Cl + H2O
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
NOCl = NO + Cl2 =>
2 NOCl = 2 NO + Cl2
Zn2O3 + NaOH = NaZnO2 + H2O =>
Zn2O3 + 2 NaOH = 2 NaZnO2 + H2O
P + O + H = H3PO4 =>
P + 4 O + 3 H = H3PO4
K2CO3(aq) + FeBr2(aq) = KBr(aq) + FeCO3(s) =>
K2CO3(aq) + FeBr2(aq) = 2 KBr(aq) + FeCO3(s)
Mg + Sn(NO3)2 = Mg(NO3)2 + Sn =>
Mg + Sn(NO3)2 = Mg(NO3)2 + Sn
C3H7COOH + Al = (C3H7COO)3Al + H2 =>
6 C3H7COOH + 2 Al = 2(C3H7COO)3Al + 3 H2
Al + Fe{2}O{3} = Al{2}O{3} + Fe =>
Al + Fe{2}O{3} = Al{2}O{3} + Fe
Na2CO3 + CH3COOH = CH3COONa + H2O + CO2 =>
Na2CO3 + 2 CH3COOH = 2 CH3COONa + H2O + CO2
(HOC6H4)2CMe2 + NaOH = (NaOC6H4)2CMe2 + H2O =>
(HOC6H4)2CMe2 + 2 NaOH = (NaOC6H4)2CMe2 + 2 H2O
FeSO4 + NO2 + H2SO4 = Fe2(SO4)3 + N2 + H2O =>
8 FeSO4 + 2 NO2 + 4 H2SO4 = 4 Fe2(SO4)3 + N2 + 4 H2O
S{2-} + H{+} + MnO4{-} = S8 + Mn{2+} + H2O =>
40 S{2-} + 128 H{+} + 16 MnO4{-} = 5 S8 + 16 Mn{2+} + 64 H2O
CH3COOH(aq) + Na2CO3(aq) = CH3COONa(aq) + CO2 + H2O(l) =>
2 CH3COOH(aq) + Na2CO3(aq) = 2 CH3COONa(aq) + CO2 + H2O(l)
K + AlOH + H2SO4 = H2 + KAl(SO4)2 + H2O =>
2 K + 2 AlOH + 4 H2SO4 = 3 H2 + 2 KAl(SO4)2 + 2 H2O
HNO3(aq) + Li2S(aq) = H2S + LiNO3 =>
2 HNO3(aq) + Li2S(aq) = H2S + 2 LiNO3
Fe{2}O{3} + CO = Fe + CO{2} =>
Fe{2}O{3} + CO = Fe + CO{2}
Mg3N2 + HCl = NH4Cl + MgCl2 =>
Mg3N2 + 8 HCl = 2 NH4Cl + 3 MgCl2
Y2 + Cl2 + H2O = HYO3 + HCl =>
Y2 + 5 Cl2 + 6 H2O = 2 HYO3 + 10 HCl
NiCl2 + FeSO4 = NiSO4 + FeCl2 =>
NiCl2 + FeSO4 = NiSO4 + FeCl2
KI(s) + Cl2(g) = KCl2 + I =>
KI(s) + Cl2(g) = KCl2 + I
MgCl2 + H2(SO4) = MgSO4 + HCl =>
MgCl2 + H2(SO4) = MgSO4 + 2 HCl
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
Ni(s) + Mg(NO3)2(aq) = Ni(NO3)2(aq) + Mg(s) =>
Ni(s) + Mg(NO3)2(aq) = Ni(NO3)2(aq) + Mg(s)
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
HS{-} + Cl2 + OH{-} = SO2 + Cl{-} + H2O =>
HS{-} + 3 Cl2 + 5 OH{-} = SO2 + 6 Cl{-} + 3 H2O
[Fe(NH3)4]Cl2 + NaCN = [Fe(CN)4] + Na + Cl + NH3 =>
[Fe(NH3)4]Cl2 + 4 NaCN = [Fe(CN)4] + 4 Na + 2 Cl + 4 NH3
HCl + Na2SO4 = NaCl + H2SO4 =>
2 HCl + Na2SO4 = 2 NaCl + H2SO4
C20H12N2Na2O7S2 + NaOH = Na + CO2 + H2O + N + S =>
C20H12N2Na2O7S2 + 78 NaOH = 80 Na + 20 CO2 + 45 H2O + 2 N + 2 S
CH3COOH + C6H5OH = CH3COOC6H5 + H2O =>
CH3COOH + C6H5OH = CH3COOC6H5 + H2O
Cl2(g) + KI(aq) = I2(g) + KCl =>
Cl2(g) + 2 KI(aq) = I2(g) + 2 KCl
MnO2 + S{2-} + H{+} = MnS + H2O2 =>
MnO2 + S{2-} + 2 H{+} = MnS + H2O2
CH3COOH + NH4OH = CH3COO + NH5OH =>
CH3COOH + NH4OH = CH3COO + NH5OH
Ba(OH)2*H2O + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2*H2O + 2 NH4SCN = Ba(SCN)2 + 3 H2O + 2 NH3
CoSO4 + Na2SiO3 = CoSiO3 + Na2SO4 =>
CoSO4 + Na2SiO3 = CoSiO3 + Na2SO4
NaHSO3 + Zn = Na2S2O4 + ZnO + H2O =>
2 NaHSO3 + Zn = Na2S2O4 + ZnO + H2O
FeSO4 + Fe(OH)3 = Fe2(SO4)3 + Fe(OH)2 =>
3 FeSO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 3 Fe(OH)2
C6H6 + CH3Cl = C6H5CH3 + HCl =>
C6H6 + CH3Cl = C6H5CH3 + HCl
C2H5OH + CO2 = C2H3O2H =>
2 C2H5OH + 2 CO2 = 3 C2H3O2H
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