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2 Hg2O + C = CO2 + 4 Hg
FeCl2 + HCl + K2Cr2O7 = FeCl3 + KCl + CrCl3 + H2O =>
6 FeCl2 + 14 HCl + K2Cr2O7 = 6 FeCl3 + 2 KCl + 2 CrCl3 + 7 H2O
Ca + H2O = Ca(OH)3 + H2 =>
2 Ca + 6 H2O = 2 Ca(OH)3 + 3 H2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Al + K2CO3 + H2O = K[Al(OH)4] + KHCO3 + H2 =>
2 Al + 2 K2CO3 + 8 H2O = 2 K[Al(OH)4] + 2 KHCO3 + 3 H2
Zn(OH)2 + H = Zn + H2O =>
Zn(OH)2 + 2 H = Zn + 2 H2O
Fe(s) + O2 = FeO(s) =>
2 Fe(s) + O2 = 2 FeO(s)
HClO4 + Sc(OH)3 = Sc(ClO4)3 + H2O =>
3 HClO4 + Sc(OH)3 = Sc(ClO4)3 + 3 H2O
Bi2 = Bi =>
Bi2 = 2 Bi
SO2 + H2O = H(SO2) + OH =>
SO2 + H2O = H(SO2) + OH
PbNO32 = O2 + PbO + NO2 =>
2 PbNO32 = 29 O2 + 2 PbO + 2 NO2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
NJ3 + JCl = NJ4Cl =>
NJ3 + JCl = NJ4Cl
CH3OOH + C2H5OH = CH3COOC2H5 + H2O =>
2 CH3OOH + C2H5OH = CH3COOC2H5 + 3 H2O
C3H5OH + Cu(OH)2 = C3H5OOH + Cu2O + H2O =>
C3H5OH + 2 Cu(OH)2 = C3H5OOH + Cu2O + 2 H2O
PbS(s) + PbO(s) = Pb(s) + SO2(g) =>
PbS(s) + 2 PbO(s) = 3 Pb(s) + SO2(g)
Fe(OH)2 + CuCl2 = FeCl2 + Cu(OH)2 =>
Fe(OH)2 + CuCl2 = FeCl2 + Cu(OH)2
Al2O3 + Co(NO3)2 = NO2 + CoAl2O4 + O2 =>
2 Al2O3 + 2 Co(NO3)2 = 4 NO2 + 2 CoAl2O4 + O2
Na2CrO4 + NaI + H2O = Cr(OH)3 + NaIO3 + NaOH =>
2 Na2CrO4 + NaI + 5 H2O = 2 Cr(OH)3 + NaIO3 + 4 NaOH
NaCl + H2SO4 + O2 = NaSO4 + H2O + Cl2 =>
2 NaCl + 2 H2SO4 + O2 = 2 NaSO4 + 2 H2O + Cl2
HNO3 + FeCl2 = Fe(NO3)3 + NO2 + H2O + HCl =>
4 HNO3 + FeCl2 = Fe(NO3)3 + NO2 + H2O + 2 HCl
N2O6 = N2O4 + O2 =>
N2O6 = N2O4 + O2
S + KClO3 + H2O = Cl2 + H2SO4 + K2SO4 =>
5 S + 6 KClO3 + 2 H2O = 3 Cl2 + 2 H2SO4 + 3 K2SO4
Fe + FeCl3 = FeCl2 =>
Fe + 2 FeCl3 = 3 FeCl2
NH4I + Cl2 = NH4Cl + I2 =>
2 NH4I + Cl2 = 2 NH4Cl + I2
Ca3N2 + Cl = CaCl2 + N2 =>
Ca3N2 + 6 Cl = 3 CaCl2 + N2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
H2SO4(aq)Rb2S(aq) = H2S(g)Rb2SO4(aq) =>
H2SO4(aq)Rb2S(aq) = H2S(g)Rb2SO4(aq)
CH3CHO + CH3OH = CH3CH(OH)OCH3 =>
CH3CHO + CH3OH = CH3CH(OH)OCH3
HCl + Mg3(PO4)2 = MgCl2 + H + PO4 =>
6 HCl + Mg3(PO4)2 = 3 MgCl2 + 6 H + 2 PO4
C10H + O2 = CO2 + OH =>
2 C10H + 21 O2 = 20 CO2 + 2 OH
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
B2O3 + Pb(OH)2 = Pb(BO2)2 + H2O =>
B2O3 + Pb(OH)2 = Pb(BO2)2 + H2O
RCOCH3 + Cl2 + NaOH = RCOONa + CHCl3 + NaCl + H2O =>
RCOCH3 + 3 Cl2 + 4 NaOH = RCOONa + CHCl3 + 3 NaCl + 3 H2O
NH2CH2CH2OH + CH3COOH = NH2CH2CH2COOH + CH3OH =>
NH2CH2CH2OH + CH3COOH = NH2CH2CH2COOH + CH3OH
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
NaBr + AgC2H3O2 = NaAg + BrC2H3O2 =>
NaBr + AgC2H3O2 = NaAg + BrC2H3O2
KMnO4 + H2SO4 + FeCl2 + KCl = MnSO4 + K2SO4 + H2O + FeCl3 =>
KMnO4 + 4 H2SO4 + 5 FeCl2 + 5 KCl = MnSO4 + 3 K2SO4 + 4 H2O + 5 FeCl3
C6H6 + H2O2 = H2O + CO2 =>
C6H6 + 15 H2O2 = 18 H2O + 6 CO2
Rb + CaCl2 = RbCl + Ca =>
2 Rb + CaCl2 = 2 RbCl + Ca
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
SiCl4 + H2O = HCl + H4 + SiO4 =>
SiCl4 + 4 H2O = 4 HCl + H4 + SiO4
H2O(electricity) = H2 + O =>
H2O(electricity) = H2 + O
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
V(OH)3 + O2 + H2O = V(OH)4 =>
4 V(OH)3 + O2 + 2 H2O = 4 V(OH)4
H{+} + CrO4{2-} + H2O2 = Cr2O12 + H2O =>
4 H{+} + 2 CrO4{2-} + 6 H2O2 = Cr2O12 + 8 H2O
Al(ClO3)3 = AlCl3 + O2 =>
2 Al(ClO3)3 = 2 AlCl3 + 9 O2
C8H12 + KMnO4 + H2SO4 = C8H6O4 + MnSO4 + K2SO4 + H2O =>
5 C8H12 + 14 KMnO4 + 21 H2SO4 = 5 C8H6O4 + 14 MnSO4 + 7 K2SO4 + 36 H2O
Th(NO3)4 + NaF = ThF4 + NaNO3 =>
Th(NO3)4 + 4 NaF = ThF4 + 4 NaNO3
C3H8(g) + O2(g)Na2CO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
C3H8(g) + 5 O2(g)Na2CO3(s) + 10 HCl(aq) = 10 NaCl(aq) + 9 H2O(l) + 8 CO2(g)
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