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2 Cr3O = 6 Cr + O2
Cr(OH)3 + CH3COOH = Cr(CH3COO)3 + H2O =>
Cr(OH)3 + 3 CH3COOH = Cr(CH3COO)3 + 3 H2O
Cu + NaOH + H2O = Na[Cu(OH)4] + H2 =>
2 Cu + 2 NaOH + 6 H2O = 2 Na[Cu(OH)4] + 3 H2
(NH4)2 + SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2 + SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
RbI = Rb + I =>
RbI = Rb + I
KNO3(s) = K2O(s) + N2(g) + O2(g) =>
4 KNO3(s) = 2 K2O(s) + 2 N2(g) + 5 O2(g)
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
CuSO4 + S = CuS + SO2 =>
CuSO4 + 2 S = CuS + 2 SO2
CH3CH(OH)CH3 + KMnO4 + H2SO4 = K2SO4 + Mn(OH)2 + C3H6O + H2O =>
5 CH3CH(OH)CH3 + 2 KMnO4 + H2SO4 = K2SO4 + 2 Mn(OH)2 + 5 C3H6O + 4 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
K3[Fe(OH)6] + HCl = KCl + Fe(OH)3 + H2O =>
K3[Fe(OH)6] + 3 HCl = 3 KCl + Fe(OH)3 + 3 H2O
Zn(OH)2 + NH3 = Zn(NH3)4{2+} + OH{-} =>
Zn(OH)2 + 4 NH3 = Zn(NH3)4{2+} + 2 OH{-}
C9H13NO3 + O2 = CO2 + H2O + NO2 =>
4 C9H13NO3 + 47 O2 = 36 CO2 + 26 H2O + 4 NO2
Al + H3PO4 = H + AlPO4 =>
Al + H3PO4 = 3 H + AlPO4
Zn + H2SO4 + H2O = [Zn(H2O)4]SO4 + H2 =>
Zn + H2SO4 + 4 H2O = [Zn(H2O)4]SO4 + H2
K3MnO4 + H2O = KMnO4 + MnO2 + KOH =>
3 K3MnO4 + 4 H2O = KMnO4 + 2 MnO2 + 8 KOH
SnCl2 + HCl = HSnCl3 =>
SnCl2 + HCl = HSnCl3
CuCl2 + F = FCl2 + Cu =>
CuCl2 + F = FCl2 + Cu
NaOH + AlBr3 = NaBr + Al(OH)3 =>
3 NaOH + AlBr3 = 3 NaBr + Al(OH)3
CuO + HF = CuF2 + H2O =>
CuO + 2 HF = CuF2 + H2O
Cr2O3 + NO3 + NaOH = NaCrO4 + NaNO2 + H2O =>
3 Cr2O3 + 8 NO3 + 14 NaOH = 6 NaCrO4 + 8 NaNO2 + 7 H2O
K2SO4 + HNO3 = KNO3 + SO3 + H2O =>
K2SO4 + 2 HNO3 = 2 KNO3 + SO3 + H2O
Li + Mg(NO3)2 = Li(NO3) + Mg =>
2 Li + Mg(NO3)2 = 2 Li(NO3) + Mg
CuBr2 + Na2SO3 + H2O = CuBr + NaBr + H2SO4 =>
2 CuBr2 + Na2SO3 + H2O = 2 CuBr + 2 NaBr + H2SO4
HNO3 + HF = N2O + F + H2O =>
2 HNO3 + 8 HF = N2O + 8 F + 5 H2O
H{+} + Cr2O7{-2} + Al = Al{+3} + Cr2O3 + H2O =>
8 H{+} + Cr2O7{-2} + 2 Al = 2 Al{+3} + Cr2O3 + 4 H2O
CuSO4(aq) + NaOH(aq) = Cu(OH)2(aq) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaOH(aq) = Cu(OH)2(aq) + Na2SO4(aq)
C4H8O + O2 = CO2 + H2O =>
2 C4H8O + 11 O2 = 8 CO2 + 8 H2O
K + HNO3 = KNO3 + H =>
K + HNO3 = KNO3 + H
HCOONa = HCOO{-} + Na{+} =>
HCOONa = HCOO{-} + Na{+}
Ag2CO3 + HCl = AgCl + CO2 + H + O2 =>
2 Ag2CO3 + 4 HCl = 4 AgCl + 2 CO2 + 4 H + O2
C7H5O6N3 + O2 = CO2 + N2 + H2O =>
4 C7H5O6N3 + 21 O2 = 28 CO2 + 6 N2 + 10 H2O
H3P2 + O2 = PO2 + H2O =>
4 H3P2 + 11 O2 = 8 PO2 + 6 H2O
Na + Ca(ClO4)2 = Ca + Na(ClO4) =>
2 Na + Ca(ClO4)2 = Ca + 2 Na(ClO4)
H3SbO4 + Cu(OH)2 = Cu3(SbO4)2 + H2O =>
2 H3SbO4 + 3 Cu(OH)2 = Cu3(SbO4)2 + 6 H2O
NH4SCN + Ba(OH)28H2O = Ba(aq) + SCN(aq) + NH3(g) + H2O(l) =>
28 NH4SCN + Ba(OH)28H2O = Ba(aq) + 28 SCN(aq) + 28 NH3(g) + 29 H2O(l)
HNO3 + HCl = NO + H2O + Cl2 =>
2 HNO3 + 6 HCl = 2 NO + 4 H2O + 3 Cl2
FeOOH = Fe + O + H =>
FeOOH = Fe + 2 O + H
H3C6H5O7 + KOH = C6H5K3O7 + H2O =>
H3C6H5O7 + 3 KOH = C6H5K3O7 + 3 H2O
C2H4O + H2O = HOCH2CH2OH =>
C2H4O + H2O = HOCH2CH2OH
NaC2H3O2 + HCl = NaCl + HC2H3O2 =>
NaC2H3O2 + HCl = NaCl + HC2H3O2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
NaNO2 + KI + H2SO4 = Na2SO4 + I2 + NO + K2SO4 + H2O =>
2 NaNO2 + 2 KI + 2 H2SO4 = Na2SO4 + I2 + 2 NO + K2SO4 + 2 H2O
Sn(s) + HCl(aq) = SnCl2(aq) + H2(g) =>
Sn(s) + 2 HCl(aq) = SnCl2(aq) + H2(g)
AsH2 = As + H5 =>
5 AsH2 = 5 As + 2 H5
Ba + HNO3 = Ba(NO3)2 + H2O + NO2 =>
Ba + 4 HNO3 = Ba(NO3)2 + 2 H2O + 2 NO2
Hg{2}{+} + Fe = Hg2{2}{+} + Fe{3}{+} =>
6 Hg{2}{+} + 2 Fe = 3 Hg2{2}{+} + 2 Fe{3}{+}
PH3 + Cu2O = Cu + H3PO4 =>
PH3 + 4 Cu2O = 8 Cu + H3PO4
C + H3 = CH4 =>
3 C + 4 H3 = 3 CH4
H2O2 = H2O + O =>
H2O2 = H2O + O
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