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Na2BeO2 = Be + 2 Na + O2
SiO2 + C2 = SiC + CO =>
2 SiO2 + 3 C2 = 2 SiC + 4 CO
KCr2O7 + KI + H2SO4 = K2SO4 + Cr(SO4)3 + I2 + H2O =>
2 KCr2O7 + 2 KI + 14 H2SO4 = 2 K2SO4 + 4 Cr(SO4)3 + I2 + 14 H2O
SiO2 + Fe = Si + Fe2O3 =>
3 SiO2 + 4 Fe = 3 Si + 2 Fe2O3
CO2 + C = CO =>
CO2 + C = 2 CO
Al(CH3CO2)3 + Na2CO3 = Al2(CO3)3 + NaCH3CO2 =>
2 Al(CH3CO2)3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaCH3CO2
As2S3 = As2 + S3 =>
As2S3 = As2 + S3
C2H2 + I2 = C2I2 + H2 =>
C2H2 + I2 = C2I2 + H2
Na2O3(s) + H2O(l) = NaOH(aq) + O2(g) =>
Na2O3(s) + H2O(l) = 2 NaOH(aq) + O2(g)
PBO + CO = PB + CO2 =>
PBO + CO = PB + CO2
HNo3 + Mg(OH)2 = H2O + Mg(No3)2 =>
2 HNo3 + Mg(OH)2 = 2 H2O + Mg(No3)2
Co + KNO3 = Co(NO3)3 + K =>
Co + 3 KNO3 = Co(NO3)3 + 3 K
Cu(CH3COO)2 + Sn = Cu + Sn(CH3COO)2 =>
Cu(CH3COO)2 + Sn = Cu + Sn(CH3COO)2
MnO4{-} + I{-} + H{+} = IO3{-} + MnO2 + H2O =>
2 MnO4{-} + I{-} + 2 H{+} = IO3{-} + 2 MnO2 + H2O
Hg + N2 = Hg3N2 =>
3 Hg + N2 = Hg3N2
H2ONaC2H3O2 = NaC2H3O2H2O =>
H2ONaC2H3O2 = NaC2H3O2H2O
C2H3Cl + KOH = C2H2 + KCl + H2O =>
C2H3Cl + KOH = C2H2 + KCl + H2O
RCOOH + CaO = (RCOO)2Ca + H2O =>
2 RCOOH + CaO = (RCOO)2Ca + H2O
BaCl2 + Na2CO3 = Ba(CO3) + NaCl =>
BaCl2 + Na2CO3 = Ba(CO3) + 2 NaCl
K4[Fe(CN)6] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + HNO3 + CO2 + H2O =>
6 K4[Fe(CN)6] + 61 K2Cr2O7 + 265 H2SO4 = 3 Fe2(SO4)3 + 73 K2SO4 + 61 Cr2(SO4)3 + 36 HNO3 + 36 CO2 + 247 H2O
Au + HI = AuI2 + H2 =>
Au + 2 HI = AuI2 + H2
CH12O2 + O2 = CO2 + H2O =>
CH12O2 + 3 O2 = CO2 + 6 H2O
CoCl2*6H2O + NH4Cl + NH4OH + H2O2 = (Co(NH3)5)Cl3 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 8 NH4OH + H2O2 = 2(Co(NH3)5)Cl3 + 22 H2O
NaCNO + H2O = HCNO + NaOH =>
NaCNO + H2O = HCNO + NaOH
C6H14O6 + H2 = C2H6O2 =>
C6H14O6 + 2 H2 = 3 C2H6O2
Cs + HCl = CsCl + H2 =>
2 Cs + 2 HCl = 2 CsCl + H2
Ni(H2O)6{2+} + OH{-} = NiO + H2O =>
Ni(H2O)6{2+} + 2 OH{-} = NiO + 7 H2O
Zn + Pb(HSO4)2 = Zn(HSO4)2 + Pb =>
Zn + Pb(HSO4)2 = Zn(HSO4)2 + Pb
FeCl{3} + NaOH = Fe(OH){3)+NaCl =>
FeCl{3} + NaOH = Fe(OH){3)+NaCl
Cu[(NH3)4]{2+} + OH{-} + C6H12O6 = C6H12O7 + Cu2O + NH3 + H2O =>
2 Cu[(NH3)4]{2+} + 4 OH{-} + C6H12O6 = C6H12O7 + Cu2O + 8 NH3 + 2 H2O
Sb(OH)3 + HCl = SbCl + H4O3 =>
Sb(OH)3 + HCl = SbCl + H4O3
HCl + ZnO = HClZnO =>
HCl + ZnO = HClZnO
Fe2O3 + Ba(OH)2 = Ba(FeO2)2 + H2O =>
Fe2O3 + Ba(OH)2 = Ba(FeO2)2 + H2O
CaCl2 + HBr = CaBr2 + HCl =>
CaCl2 + 2 HBr = CaBr2 + 2 HCl
S2O8{2-} + e = SO4{2-} =>
S2O8{2-} + 2e = 2 SO4{2-}
CO + NH4OH = CO(NH3)2 + H2O =>
CO + 2 NH4OH = CO(NH3)2 + 2 H2O
FeSO4 + Br + H2SO4 = Fe(SO4)3 + HBr =>
FeSO4 + 4 Br + 2 H2SO4 = Fe(SO4)3 + 4 HBr
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
K2SO3 + Pb(NO3)2 = Pb(SO3) + KNO3 =>
K2SO3 + Pb(NO3)2 = Pb(SO3) + 2 KNO3
Cu + Na = CuNa =>
Cu + Na = CuNa
S + HNO3 = H2SO4 + NO2 + N2O =>
3 S + 6 HNO3 = 3 H2SO4 + 2 NO2 + 2 N2O
Pb + Nh3 = Pb(Nh3)2 =>
Pb + 2 Nh3 = Pb(Nh3)2
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
OH{-} + ClO3{-} + Cr(OH)3 = Cl{-} + CrO4{2-} + H2O =>
4 OH{-} + ClO3{-} + 2 Cr(OH)3 = Cl{-} + 2 CrO4{2-} + 5 H2O
K2Cr2O7 + H2S + NaOH + H2O = K3[Cr(OH)6] + S + Na2Cr2O7 =>
3 K2Cr2O7 + 3 H2S + 4 NaOH + H2O = 2 K3[Cr(OH)6] + 3 S + 2 Na2Cr2O7
S2 + H2O = SO2 + H2 =>
S2 + 4 H2O = 2 SO2 + 4 H2
CH3CHOHCH2 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
3 CH3CHOHCH2 + KMnO4 + 2 H2O = MnO2 + 3 CH3CH(OH)CH2(OH) + KOH
K2ZnO2 + H2S = KHS + ZnS + H2O =>
K2ZnO2 + 3 H2S = 2 KHS + ZnS + 2 H2O
Al2O3 + SO2 = Al + SO3 =>
Al2O3 + 3 SO2 = 2 Al + 3 SO3
Ca + HCIO3 = Ca(CIO3)2 + H2 =>
Ca + 2 HCIO3 = Ca(CIO3)2 + H2
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