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2 K2Cr2O7 + 8 H2SO4 + C3H8O = 2 Cr2(SO4)3 + 2 K2SO4 + 3 HCOOH + 9 H2O
NaBr + MnO4 + H2SO4 = MnSO4 + Br2 + H2O + NaHSO4 =>
6 NaBr + MnO4 + 7 H2SO4 = MnSO4 + 3 Br2 + 4 H2O + 6 NaHSO4
K + Cl + O = KClO =>
K + Cl + O = KClO
NiSO4(aq) + BaCl2(aq) = NiCl2 + BaSO4 =>
NiSO4(aq) + BaCl2(aq) = NiCl2 + BaSO4
C22H45OH + OH = CO2 + H2O =>
C22H45OH + 132 OH = 22 CO2 + 89 H2O
Zn + NHO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 NHO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
Fe(OH)3 + (MgOH)2CO3 = Mg(OH)2 + Fe2(CO3)3 =>
2 Fe(OH)3 + 3(MgOH)2CO3 = 6 Mg(OH)2 + Fe2(CO3)3
H2SO4(aq) + Ca(OH)2(aq) = CaSO4 + H2O =>
H2SO4(aq) + Ca(OH)2(aq) = CaSO4 + 2 H2O
P8 + O2 = P2O5 =>
P8 + 10 O2 = 4 P2O5
CH3COOH + Cu(OH)2 = Cu2O + CO2 + H2O =>
CH3COOH + 8 Cu(OH)2 = 4 Cu2O + 2 CO2 + 10 H2O
CaO + H3PO4 = Ca3(PO4)2 + H2O =>
3 CaO + 2 H3PO4 = Ca3(PO4)2 + 3 H2O
Al + CuSO4(aq) = Al2(SO4)3(aq) + Cu(s) =>
2 Al + 3 CuSO4(aq) = Al2(SO4)3(aq) + 3 Cu(s)
F2 + AlBr3 = Br2 + AlF3 =>
3 F2 + 2 AlBr3 = 3 Br2 + 2 AlF3
Ca(OH)2 + P = Ca + P(OH)2 =>
Ca(OH)2 + P = Ca + P(OH)2
Na2SO4(aq) + Ba(NO3)2 = BaSO4 + NaNO3 =>
Na2SO4(aq) + Ba(NO3)2 = BaSO4 + 2 NaNO3
Co + Zn(No3)2 = Zn + Co(No3)2 =>
Co + Zn(No3)2 = Zn + Co(No3)2
FeSO4 + Ca(HCO3)2 = Fe(HCO3)2 + CaSO4 =>
FeSO4 + Ca(HCO3)2 = Fe(HCO3)2 + CaSO4
Ti + P = TiP4 =>
Ti + 4 P = TiP4
Ca + H2O = Ca(O2H2)2 + H2 =>
Ca + 4 H2O = Ca(O2H2)2 + 2 H2
OH + HI = I2 + H2O =>
2 OH + 2 HI = I2 + 2 H2O
NH4Cl + O2 = H2O + N2 + Cl2 =>
2 NH4Cl + 2 O2 = 4 H2O + N2 + Cl2
BrO3{-} + Cl{-} + H{+} = Br{-} + Cl2 + H2O =>
BrO3{-} + 6 Cl{-} + 6 H{+} = Br{-} + 3 Cl2 + 3 H2O
Zn + PbO2 = Pb + ZnO =>
2 Zn + PbO2 = Pb + 2 ZnO
MgO2 + Al = Al2O3 + Mg =>
3 MgO2 + 4 Al = 2 Al2O3 + 3 Mg
N2H4 + K2S2O8 + KOH = K2SO4 + N2 + H2O =>
N2H4 + 2 K2S2O8 + 4 KOH = 4 K2SO4 + N2 + 4 H2O
CuCl2H2O + Al = Cu + AlCl3 + H2O =>
3 CuCl2H2O + 2 Al = 3 Cu + 2 AlCl3 + 3 H2O
Ag + HNO3 + H2SO4 = Ag2SO4 + NO + H2O =>
6 Ag + 2 HNO3 + 3 H2SO4 = 3 Ag2SO4 + 2 NO + 4 H2O
PbS + H2O = H2S + PbO =>
PbS + H2O = H2S + PbO
FeC2O4*H2O + O2 = Fe2O3 + H2O + CO2 =>
4 FeC2O4*H2O + 3 O2 = 2 Fe2O3 + 4 H2O + 8 CO2
C3H4O3 + NaOH = C3H4O4 + NaH =>
C3H4O3 + NaOH = C3H4O4 + NaH
PBO + NaOH + H2O = Na2PB(OH)4 =>
PBO + 2 NaOH + H2O = Na2PB(OH)4
NH3 + KCl = KNH2 + HCl =>
NH3 + KCl = KNH2 + HCl
As2S3 + HNO3 = H3AsO4 + SO2 + NO + H2O =>
3 As2S3 + 22 HNO3 = 6 H3AsO4 + 9 SO2 + 22 NO + 2 H2O
Fe(NO3)2 + Na2(CO3) = Fe(CO3) + Na(NO3) =>
Fe(NO3)2 + Na2(CO3) = Fe(CO3) + 2 Na(NO3)
Cu + SO2 = Cu2S + O2 =>
2 Cu + SO2 = Cu2S + O2
Zn + KNO2 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
3 Zn + KNO2 + 5 KOH + 5 H2O = 3 K2[Zn(OH)4] + NH3
Na2S2O3 + BaCl2 = NaCl + BaS2O3 =>
Na2S2O3 + BaCl2 = 2 NaCl + BaS2O3
C2H6Cl2 = C2H5Cl + HCl =>
C2H6Cl2 = C2H5Cl + HCl
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Si + HNO3 + H2F2 = H2[SiF6] + NO + H2O =>
3 Si + 4 HNO3 + 9 H2F2 = 3 H2[SiF6] + 4 NO + 8 H2O
NiCl2 + KNO3 = NiN2O6 + KCl =>
NiCl2 + 2 KNO3 = NiN2O6 + 2 KCl
KI(s) = K(s) + I2(g) =>
2 KI(s) = 2 K(s) + I2(g)
PF5 = P4 + F2 =>
4 PF5 = P4 + 10 F2
Na + Si + O = Na4SiO4(s) =>
4 Na + Si + 4 O = Na4SiO4(s)
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
HSO3{-} + H2O = SO4{-2} + {-} + H{+} =>
HSO3{-} + H2O = SO4{-2} + 2e + 3 H{+}
NiCl2 + H2O = Ni(OH)2 + HCl =>
NiCl2 + 2 H2O = Ni(OH)2 + 2 HCl
Fe + Zn{2+} = Fe{2+} + Zn =>
Fe + Zn{2+} = Fe{2+} + Zn
Cu2 + H2SO4 = Cu(SO4)2 + H2O + SO2 =>
Cu2 + 8 H2SO4 = 2 Cu(SO4)2 + 8 H2O + 4 SO2
C7H7Cl + HNO3 = C7H6ClNO2 + H2O =>
C7H7Cl + HNO3 = C7H6ClNO2 + H2O
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