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2 Na2O + CO = Na2CO3 + 2 Na
Ca(H2PO4)2 + (NH4)2CO3 = (NH4)2HPO4 + CaCO3 + H2CO3 =>
Ca(H2PO4)2 + 2(NH4)2CO3 = 2(NH4)2HPO4 + CaCO3 + H2CO3
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
CH3CH2CH2Br + Mg = CH3CH2CH2MgBr =>
CH3CH2CH2Br + Mg = CH3CH2CH2MgBr
H3CH2COH + K2Cr2O7 + H2SO4 = H3CCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 H3CH2COH + 2 K2Cr2O7 + 8 H2SO4 = 3 H3CCOOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Ba(OH)2 + P4O10 = Ba3(PO4)2 + H2O =>
6 Ba(OH)2 + P4O10 = 2 Ba3(PO4)2 + 6 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Pb5I2 + HCl = HI + Pb5Cl2 =>
Pb5I2 + 2 HCl = 2 HI + Pb5Cl2
Ca(MnO4)2 + CrSO4 + H2SO4 = CaSO4 + MnSO4 + Cr2(SO4)3 + H2O =>
Ca(MnO4)2 + 10 CrSO4 + 8 H2SO4 = CaSO4 + 2 MnSO4 + 5 Cr2(SO4)3 + 8 H2O
Cr(MnO4)3 + K = KMnO4 + Cr =>
Cr(MnO4)3 + 3 K = 3 KMnO4 + Cr
KI3 + Zn = ZnI2 + K =>
2 KI3 + 3 Zn = 3 ZnI2 + 2 K
N2 + Cl2 + O2 + H2O = NH4ClO4 =>
N2 + Cl2 + 2 O2 + 4 H2O = 2 NH4ClO4
C6H6 + HNO3 = C6H5NO2 + H2O =>
C6H6 + HNO3 = C6H5NO2 + H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
C4H10 + C24H50 = C8H18 =>
4 C4H10 + C24H50 = 5 C8H18
Ni(NH3)4 + NaOH = Ni(OH)4 + Na(NH3) =>
Ni(NH3)4 + 4 NaOH = Ni(OH)4 + 4 Na(NH3)
MgOH2 + Ba3(PO3)2 = Mg3(PO3)2 + BaOH2 =>
3 MgOH2 + Ba3(PO3)2 = Mg3(PO3)2 + 3 BaOH2
Ca3(PO4)2 + NaNO3 = Na3PO4 + Ca(NO3)2 =>
Ca3(PO4)2 + 6 NaNO3 = 2 Na3PO4 + 3 Ca(NO3)2
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
C(graphite) + H2(g) + O2(g) = CH3COCH3 =>
6 C(graphite) + 6 H2(g) + O2(g) = 2 CH3COCH3
C57H110 + O2 = CO2 + H2O =>
2 C57H110 + 169 O2 = 114 CO2 + 110 H2O
V2O5 + Na2CO3 = Na2V12O31 + CO2 =>
6 V2O5 + Na2CO3 = Na2V12O31 + CO2
FeS2 + O2 = Fe2 + SO4 =>
2 FeS2 + 8 O2 = Fe2 + 4 SO4
CaCO3 + CH3COONa + CH3COOH = Ca(C2H3O2)2 + NaOH + CO2 =>
CaCO3 + CH3COONa + CH3COOH = Ca(C2H3O2)2 + NaOH + CO2
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
K2O + Cr2O3 = KCrO2 =>
K2O + Cr2O3 = 2 KCrO2
H2CO3 + (OH)Na = Na2CO3 + H2O =>
H2CO3 + 2(OH)Na = Na2CO3 + 2 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
CaCN2 + H2O = CaCO3 + NH3 =>
CaCN2 + 3 H2O = CaCO3 + 2 NH3
FeCl3 + PbSO4 = Fe2(SO4)3 + PbCl2 =>
2 FeCl3 + 3 PbSO4 = Fe2(SO4)3 + 3 PbCl2
Sn(OH)2 + HNO3 = (SnOH)NO3 + H2O =>
Sn(OH)2 + HNO3 = (SnOH)NO3 + H2O
C6H2O2 + O2 = CO2 + H2O =>
2 C6H2O2 + 11 O2 = 12 CO2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CH3COOH + NaHCO3 = NaCH3COO + CH3HCO3 =>
5 CH3COOH + 2 NaHCO3 = 2 NaCH3COO + 4 CH3HCO3
Ca + HCl = Ca2Cl + H2 =>
4 Ca + 2 HCl = 2 Ca2Cl + H2
H2 + I2 = HI =>
H2 + I2 = 2 HI
(CaCO3)2 = CaO + CO2 =>
(CaCO3)2 = 2 CaO + 2 CO2
[C6H5C(O)]2O2 + O2 = CO2 + H2O =>
2[C6H5C(O)]2O2 + 29 O2 = 28 CO2 + 10 H2O
Ca(HCO3)2 = CaCO3 + CO2 + H2O =>
Ca(HCO3)2 = CaCO3 + CO2 + H2O
Al(OH)3 + HI = AlOHI2 + H2O =>
Al(OH)3 + 2 HI = AlOHI2 + 2 H2O
Cr2O3 + Mg = MgO + Cr =>
Cr2O3 + 3 Mg = 3 MgO + 2 Cr
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NHO3 + H2S = S + NO + H2O =>
2 NHO3 + 3 H2S = 3 S + 2 NO + 4 H2O
Cr2O3 + Mg = MgO + Cr =>
Cr2O3 + 3 Mg = 3 MgO + 2 Cr
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