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CaCo3 + 2 Na = Na2Co3 + Ca
C20H56 + O2 = H2O + CO2 =>
C20H56 + 34 O2 = 28 H2O + 20 CO2
C9H13 + KMnO4 + H2SO4 = C7H7O2 + MnSO4 + K2SO4 + H2O =>
35 C9H13 + 64 KMnO4 + 96 H2SO4 = 45 C7H7O2 + 64 MnSO4 + 32 K2SO4 + 166 H2O
CH3CH2CH2CH2CH2CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH2CH2CH2CH2CH3 + 25 O2 = 16 CO2 + 18 H2O
NH4NO3 + NH4Cl + Au + H2SO4 = (NH4)SO4 + HCl4Au + H2O =>
7 NH4NO3 + 24 NH4Cl + 6 Au + 38 H2SO4 = 38(NH4)SO4 + 6 HCl4Au + 21 H2O
SrO3 = Sr + O =>
SrO3 = Sr + 3 O
CH3CH2CH2CH2CH2CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH2CH2CH2CH2CH3 + 25 O2 = 16 CO2 + 18 H2O
NO3{-} + H{+} + e = N2(g) + H2O =>
2 NO3{-} + 12 H{+} + 10e = N2(g) + 6 H2O
FeS + H2SO4 = FeHSO4 + H2O + SO2 =>
2 FeS + 7 H2SO4 = 2 FeHSO4 + 6 H2O + 7 SO2
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
K2Cr2O7 + NaNO2 + H2SO4 = Cr2(SO4)3 + NaNO3 + K2S + H2OO =>
K2Cr2O7 + 3 NaNO2 + 4 H2SO4 = Cr2(SO4)3 + 3 NaNO3 + K2S + 4 H2OO
Ca3N2 + H2O = CaH2O + N2 =>
Ca3N2 + 3 H2O = 3 CaH2O + N2
V2O5 + HNO2 = V(NO2)5 + H2O =>
V2O5 + 10 HNO2 = 2 V(NO2)5 + 5 H2O
KClO3 + H2SO3 = H2SO4 + KCl =>
KClO3 + 3 H2SO3 = 3 H2SO4 + KCl
KHC8H4O4 + NaOH = H2O + KNaC8H4O4 =>
KHC8H4O4 + NaOH = H2O + KNaC8H4O4
CuNO3 + HCl = CuCl + HNO3 =>
CuNO3 + HCl = CuCl + HNO3
K48Na48Ca4Al104Si296O800 + H{+} + H2O = Al2Si2O5(OH)4 + Na{+} + K{+} + Ca{2+} + H4SiO4 =>
K48Na48Ca4Al104Si296O800 + 104 H{+} + 436 H2O = 52 Al2Si2O5(OH)4 + 48 Na{+} + 48 K{+} + 4 Ca{2+} + 192 H4SiO4
CuCl2 + AgNO3 = CuNO3 + AgCl2 =>
CuCl2 + AgNO3 = CuNO3 + AgCl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
LiBr + HCl = LiCl + HBr =>
LiBr + HCl = LiCl + HBr
Cu + Ir = CuIr =>
Cu + Ir = CuIr
Bi2O3(s) + Na2CO3(S) + PbSO4 = Na2O(s) + Bi2SO4(s) + CO2(g) + PbO(s) =>
3 Bi2O3(s) + 2 Na2CO3(S) + PbSO4 = 2 Na2O(s) + 3 Bi2SO4(s) + 2 CO2(g) + PbO(s)
Na + HCl = NaCl + NaH =>
2 Na + HCl = NaCl + NaH
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Sn{4+} + OH{-} = Sn(OH)4 =>
Sn{4+} + 4 OH{-} = Sn(OH)4
HBr + Hg(OH)2 = HgBr2 + H2O =>
2 HBr + Hg(OH)2 = HgBr2 + 2 H2O
HgI2 + HI = HgI4 + H =>
HgI2 + 2 HI = HgI4 + 2 H
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Br + H2 = Br2H2 =>
2 Br + H2 = Br2H2
HCl + HNO3 = H2O + NOCl + Cl =>
3 HCl + HNO3 = 2 H2O + NOCl + 2 Cl
S{2-} + H2O = SO4{2-} + H{+} + e =>
S{2-} + 4 H2O = SO4{2-} + 8 H{+} + 8e
PbCl2 + Na2S = PbS + Na2Cl2 =>
PbCl2 + Na2S = PbS + Na2Cl2
SO2 + KMn4 + H2O = MnSO4 + K2SO4 + H2SO =>
18 SO2 + 2 KMn4 + 9 H2O = 8 MnSO4 + K2SO4 + 9 H2SO
NaOH + HCO3 = NaHCO3 + H2O + O2 =>
4 NaOH + 4 HCO3 = 4 NaHCO3 + 2 H2O + O2
Al + K2PO4 = Al2(PO4)3 + K =>
2 Al + 3 K2PO4 = Al2(PO4)3 + 6 K
Na3PO4 + BaCl3 = BaPO4 + NaCl =>
Na3PO4 + BaCl3 = BaPO4 + 3 NaCl
NaNO2 + HCl = H2O + NaNO3 + NaCl + NO =>
3 NaNO2 + 2 HCl = H2O + NaNO3 + 2 NaCl + 2 NO
(NH4)2Fe(SO4)2 + NH3 + H2O = (NH4)4(SO4)2 + Fe(OH)2 =>
(NH4)2Fe(SO4)2 + 2 NH3 + 2 H2O = (NH4)4(SO4)2 + Fe(OH)2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Al + HCe = AlCe3 + H2 =>
2 Al + 6 HCe = 2 AlCe3 + 3 H2
Sn(Co3)2 + Mg(HCO3)2 = Sn(HCO3)2 + Mg(Co3)2 =>
Sn(Co3)2 + Mg(HCO3)2 = Sn(HCO3)2 + Mg(Co3)2
CH3CH2NH2 + H2O = OH + HCH3CH2NH2 =>
CH3CH2NH2 + H2O = OH + HCH3CH2NH2
HNO3 + H2S = S + NO2 + H2O =>
2 HNO3 + H2S = S + 2 NO2 + 2 H2O
Ca(OH)2 + HNO3 = Ca(OH)NO3 + H2O =>
Ca(OH)2 + HNO3 = Ca(OH)NO3 + H2O
FeSO4*(NH4)2SO4*6H2O + (NH4)2S = FeS + (NH4)2SO4 + H2O =>
FeSO4*(NH4)2SO4*6H2O + (NH4)2S = FeS + 2(NH4)2SO4 + 6 H2O
Fe(H2O)6 + SCN = Fe(H2O)5NCS + H2O =>
Fe(H2O)6 + SCN = Fe(H2O)5NCS + H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Pb(s) + SO4(aq) = PbSO4(s) =>
Pb(s) + SO4(aq) = PbSO4(s)
Cl2 + NiBr3 = NiCl3 + Br2 =>
3 Cl2 + 2 NiBr3 = 2 NiCl3 + 3 Br2
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
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