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5 K2Cr2O7 + 3 Cl2 + 6 NaOH = 10 KCrO2 + 6 NaClO3 + 3 H2O
MgCl2 + Na = Mg + NaCl =>
MgCl2 + 2 Na = Mg + 2 NaCl
KOH + C = K + CO + H2O =>
2 KOH + C = 2 K + CO + H2O
C6H5C3H7 + KMnO4 + H2SO4 = C6H5COOH + K2SO4 + MnSO4 + H2O =>
35 C6H5C3H7 + 66 KMnO4 + 99 H2SO4 = 45 C6H5COOH + 33 K2SO4 + 66 MnSO4 + 174 H2O
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
Si + HNO3 + H2F2 = H2(SiF6) + NO2 + H2O =>
Si + 4 HNO3 + 3 H2F2 = H2(SiF6) + 4 NO2 + 4 H2O
HCl + Na2S2O4 = NaCl + SO2 + S + H2O =>
4 HCl + 2 Na2S2O4 = 4 NaCl + 3 SO2 + S + 2 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Cr2O3 + KClO3 + K2CO3 = K2Cr2O7 + KCl + CO2 =>
Cr2O3 + KClO3 + K2CO3 = K2Cr2O7 + KCl + CO2
Cr2O7 + I2 = Cr + IO3 =>
6 Cr2O7 + 7 I2 = 12 Cr + 14 IO3
K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
FeCl3 + K2SO3 = Fe2(SO3)3 + KCl =>
2 FeCl3 + 3 K2SO3 = Fe2(SO3)3 + 6 KCl
Ni(NO3)2 + NH3 = Ni(NH3)2 + NO3 =>
Ni(NO3)2 + 2 NH3 = Ni(NH3)2 + 2 NO3
(NH4)2S(aq) + HCl(aq) = (NH4)2Cl + HS =>
(NH4)2S(aq) + HCl(aq) = (NH4)2Cl + HS
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
Zn + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn + 2 NaOH + 2 H2O = Na2Zn(OH)4 + H2
Al + OH{-}1 + H2O = H2 + AlO2{-}1 =>
2 Al + 2 OH{-}1 + 2 H2O = 3 H2 + 2 AlO2{-}1
Sn + Cu(NO3)2 = Sn(NO3)2 + Cu =>
Sn + Cu(NO3)2 = Sn(NO3)2 + Cu
CaO + H2O = (CaOH)2 + O2 =>
4 CaO + 2 H2O = 2(CaOH)2 + O2
CH3OH + PBr3 = CH3Br + P(OH)3 =>
3 CH3OH + PBr3 = 3 CH3Br + P(OH)3
Cu + H2SO4 = Cu2S + CuSO4 + H3O =>
7 Cu + 6 H2SO4 = Cu2S + 5 CuSO4 + 4 H3O
Fe2(SO4)3 + Sodiumhydroxide = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
SO2 + Br2 = BrSO2 =>
2 SO2 + Br2 = 2 BrSO2
KBr + Fe(ClO)2 = FeBr2 + KClO =>
2 KBr + Fe(ClO)2 = FeBr2 + 2 KClO
Mn + CoSO4 = MnSO4 + Co =>
Mn + CoSO4 = MnSO4 + Co
PbO + H3PO4 = Pb3(PO4)2 + H2O =>
3 PbO + 2 H3PO4 = Pb3(PO4)2 + 3 H2O
PbO(s) + NO2(g) + O2(g) = Pb(NO3)2(s) =>
2 PbO(s) + 4 NO2(g) + O2(g) = 2 Pb(NO3)2(s)
HClO + H2SO4 = ClO2 + H2O + SO2 =>
2 HClO + 3 H2SO4 = 2 ClO2 + 4 H2O + 3 SO2
Al + NH4ClO5 = Al2O3 + AlCl3 + NO + H2O =>
5 Al + 3 NH4ClO5 = 2 Al2O3 + AlCl3 + 3 NO + 6 H2O
Na[Al(OH)4] + NH4Cl = NaCl + Al(OH)3 + NH3 + H2O =>
Na[Al(OH)4] + NH4Cl = NaCl + Al(OH)3 + NH3 + H2O
FeS(s) + O2(g) + H2O(l) = Fe2O3(s) + H2SO =>
4 FeS(s) + 3 O2(g) + 4 H2O(l) = 2 Fe2O3(s) + 4 H2SO
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
HCl + Na2S = NaCl + H2S =>
2 HCl + Na2S = 2 NaCl + H2S
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Cr + MnO = Mn + CrO4 =>
Cr + 4 MnO = 4 Mn + CrO4
Al + (BrO4)1{-} + H{+} = Al3{+} + Br2 + H2O =>
42 Al + 2(BrO4)1{-} + 16 H{+} = 14 Al3{+} + Br2 + 8 H2O
CdS + HNO3 = CdNO32 + S + NO + H2O =>
3 CdS + 62 HNO3 = 3 CdNO32 + 3 S + 59 NO + 31 H2O
Ag3AsO4 + Zn + H2SO4 = As3H3 + Ag + ZnSO4 + H2O =>
6 Ag3AsO4 + 27 Zn + 27 H2SO4 = 2 As3H3 + 18 Ag + 27 ZnSO4 + 24 H2O
NaClO2 + Cl2 = ClO2 + NaCl =>
2 NaClO2 + Cl2 = 2 ClO2 + 2 NaCl
CaBr2 + LiI = LiBr2 + CaI =>
CaBr2 + LiI = LiBr2 + CaI
NH1 + O2 = NO + H2O =>
4 NH1 + 3 O2 = 4 NO + 2 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
K2Cr2O7 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl5 + H2O =>
K2Cr2O7 + Na2SO3 + 12 HCl = 2 KCl + Na2SO4 + 2 CrCl5 + 6 H2O
ZnI2 + K2(CO3) = Zn(CO3) + KI =>
ZnI2 + K2(CO3) = Zn(CO3) + 2 KI
Pb(NO3)2(aq) + MgSO4(aq) = PbSO4 + Mg(NO3)2 =>
Pb(NO3)2(aq) + MgSO4(aq) = PbSO4 + Mg(NO3)2
CrCl3 + Ag(NO3) = Cr(NO3)3 + AgCl =>
CrCl3 + 3 Ag(NO3) = Cr(NO3)3 + 3 AgCl
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
KOH + C = K + CO + H2O =>
2 KOH + C = 2 K + CO + H2O
B4O7{-2} + H2O = H3BO3 + OH{-} =>
B4O7{-2} + 7 H2O = 4 H3BO3 + 2 OH{-}
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