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5(NH4)2Cr2O7 = 5 Cr2O3 + 6 NO + 14 H2O + 4 NH3
NaOH + J2 = NaJ + NaJO3 + H2O =>
6 NaOH + 3 J2 = 5 NaJ + NaJO3 + 3 H2O
C6H5CH2CH2Br + Mg = C6H5CH2CH2MgBr =>
C6H5CH2CH2Br + Mg = C6H5CH2CH2MgBr
Re3(PO3)7 + Sn(HSO3)4 = Re(HSO3)7 + Sn3(PO3)4 =>
4 Re3(PO3)7 + 21 Sn(HSO3)4 = 12 Re(HSO3)7 + 7 Sn3(PO3)4
NaI + NaOH + KMnO4 = IO3 + H2O + Na2MnO4 + K2MnO4 =>
2 NaI + 12 NaOH + 14 KMnO4 = 2 IO3 + 6 H2O + 7 Na2MnO4 + 7 K2MnO4
Fe(s) + Ni(NO2)2(aq) = Ni(s) + Fe(NO2)3(aq) =>
2 Fe(s) + 3 Ni(NO2)2(aq) = 3 Ni(s) + 2 Fe(NO2)3(aq)
carbondioxide + sodiumcarbonate + water = NaHCO3 =>
CO2 + Na2CO3 + H2O = 2 NaHCO3
Mg + S = Mg3S2 =>
3 Mg + 2 S = Mg3S2
K2CrO4 + AgNO3 = KNO3(s) + Ag2 + CrO4(aq) =>
K2CrO4 + 2 AgNO3 = 2 KNO3(s) + Ag2 + CrO4(aq)
La(NO3)2 + NaOH = La(OH)2 + NaNO3 =>
La(NO3)2 + 2 NaOH = La(OH)2 + 2 NaNO3
P(s) + Br2(l) = PBr2(l) =>
P(s) + Br2(l) = PBr2(l)
NaCO3 + PB(NO3) = NaNO3 + PBCO3 =>
NaCO3 + PB(NO3) = NaNO3 + PBCO3
FeCO3 + HBr = FeBr2 + H2CO3 =>
FeCO3 + 2 HBr = FeBr2 + H2CO3
BaCl2(aq) + ZnSO4(aq) = BaSO4 + ZnCl2 =>
BaCl2(aq) + ZnSO4(aq) = BaSO4 + ZnCl2
NH4VO3 + NaOH = Na3VO4 + NH3 + H2O =>
NH4VO3 + 3 NaOH = Na3VO4 + NH3 + 2 H2O
NaClO + NaCl = Na + Cl2O =>
NaClO + NaCl = 2 Na + Cl2O
SO3 + N2O4 = NO3 + S =>
2 SO3 + 3 N2O4 = 6 NO3 + 2 S
PbS + Fe2O3 = Fe + Pb + SO2 =>
3 PbS + 2 Fe2O3 = 4 Fe + 3 Pb + 3 SO2
Pb(NO3)2 + Na2S = NaNO3 + PbS =>
Pb(NO3)2 + Na2S = 2 NaNO3 + PbS
Fe{3+} + I{2-} = Fe{2+} + I2 =>
4 Fe{3+} + 2 I{2-} = 4 Fe{2+} + I2
NaOH + AlCl = Al(OH) + NaCl =>
NaOH + AlCl = Al(OH) + NaCl
Na + Fe(PO4) = Na3(PO4) + Fe =>
3 Na + Fe(PO4) = Na3(PO4) + Fe
Pb(C2H3O2)2 + HCl = PbCl2 + HC2H3O2 =>
Pb(C2H3O2)2 + 2 HCl = PbCl2 + 2 HC2H3O2
H2S + KMnO4 + HCl = KCl + H2O + S + MnCl2 =>
5 H2S + 2 KMnO4 + 6 HCl = 2 KCl + 8 H2O + 5 S + 2 MnCl2
Zn + NaOH = ZnNa2O2 + H =>
Zn + 2 NaOH = ZnNa2O2 + 2 H
SmO + O2 = SmO2 =>
2 SmO + O2 = 2 SmO2
FeCl3 + Ag = AgCl + Fe =>
FeCl3 + 3 Ag = 3 AgCl + Fe
Cu(s) + HNO3 = NO(g) + Cu(NO3)2 + H2O(l) =>
3 Cu(s) + 8 HNO3 = 2 NO(g) + 3 Cu(NO3)2 + 4 H2O(l)
C6H4(COOH)2 + H2SO4SO3 = C6H4(COOH)2SO3 + H2SO4 =>
C6H4(COOH)2 + H2SO4SO3 = C6H4(COOH)2SO3 + H2SO4
C2H5OH + H3PO4 = C2H5OPO3H2 + H2O =>
C2H5OH + H3PO4 = C2H5OPO3H2 + H2O
CH3COOH + Na2CO3 = CO2 + H2O + NaCH3COOH =>
9 CH3COOH + 4 Na2CO3 = 6 CO2 + 2 H2O + 8 NaCH3COOH
U2O3(s) + F2(g) = UF6(g) + O2(g) =>
2 U2O3(s) + 12 F2(g) = 4 UF6(g) + 3 O2(g)
As2O5 + NaOH = Na5As3O10 + H2O =>
3 As2O5 + 10 NaOH = 2 Na5As3O10 + 5 H2O
NO2{-} + ClO{-} = NO3{-} + Cl{-} =>
NO2{-} + ClO{-} = NO3{-} + Cl{-}
OH + CrO2 = CrO4 + H2O =>
4 OH + CrO2 = CrO4 + 2 H2O
NH2{-}NH2 + H2O = NH3{-}NH3 + OH =>
NH2{-}NH2 + H2O = NH3{-}NH3 + OH
Mg2C + HCl = MgCl2 + C2H2 + H2 =>
2 Mg2C + 8 HCl = 4 MgCl2 + C2H2 + 3 H2
ZnCl2 + NH4H2PO4 = ZnNH4PO4 + HCl =>
ZnCl2 + NH4H2PO4 = ZnNH4PO4 + 2 HCl
C4H10 + O14 = C6O12 + H12O6 =>
42 C4H10 + 39 O14 = 28 C6O12 + 35 H12O6
CaCl2 + H2SO4 = CaSO4 + HCl =>
CaCl2 + H2SO4 = CaSO4 + 2 HCl
KMnO4 + K2HPO3 + H2O = MnO2 + KOH + K2HPO4 =>
2 KMnO4 + 3 K2HPO3 + H2O = 2 MnO2 + 2 KOH + 3 K2HPO4
Ni{+} = Ni + Ni{2+} =>
2 Ni{+} = Ni + Ni{2+}
FeI3 + CuHCO3 = Fe(HCO3)3 + CuI =>
FeI3 + 3 CuHCO3 = Fe(HCO3)3 + 3 CuI
Co + AcAc = Co(AcAc)3 =>
Co + 3 AcAc = Co(AcAc)3
KHSO3 + HNO3 = K2SO4 + H2SO4 + NO2 + H2O =>
2 KHSO3 + 4 HNO3 = K2SO4 + H2SO4 + 4 NO2 + 2 H2O
Ag(s) + Cl2(g) = AgCl =>
2 Ag(s) + Cl2(g) = 2 AgCl
CuCl2 + Na(HCO3) = Cu(HCO3)2 + NaCl =>
CuCl2 + 2 Na(HCO3) = Cu(HCO3)2 + 2 NaCl
LiOH + C6H8O7 = LiC8 + H2O + CO =>
6 LiOH + 17 C6H8O7 = 6 LiC8 + 71 H2O + 54 CO
NH3ClOH + FeCl3 = FeCl2 + H2O + HCl + NHCl2 =>
NH3ClOH + 2 FeCl3 = 2 FeCl2 + H2O + HCl + NHCl2
KMnO4 + NO2 + H2O = HNO3 + MnO2 + KOH =>
KMnO4 + 3 NO2 + 2 H2O = 3 HNO3 + MnO2 + KOH
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