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K2Cr2O7 + 7 H2C2O4*2H2O = 2 K[Cr(C2O4)2(H2O)2]*2H2O + 6 CO2 + 13 H2O
CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + H2O =>
3 CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + 3 H2O
Br2 + CaI = BrI + Ca =>
Br2 + 2 CaI = 2 BrI + 2 Ca
CH3NO2 + CuO = H2CO + HNO3 + Cu =>
CH3NO2 + 2 CuO = H2CO + HNO3 + 2 Cu
K3PO4 + NaOH = PO4Na + K3OH =>
K3PO4 + NaOH = PO4Na + K3OH
HgI + O2 = HgO + I2 =>
2 HgI + O2 = 2 HgO + I2
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + H2O + NO =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 4 H2O + 2 NO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
SF6 + O2 = SO2 + OF2 =>
2 SF6 + 5 O2 = 2 SO2 + 6 OF2
HI + Cl = HCl + I =>
HI + Cl = HCl + I
Al + NO2{-} + H2O = Al(OH)4{-} + NH3 + H{+} =>
2 Al + NO2{-} + 6 H2O = 2 Al(OH)4{-} + NH3 + H{+}
H3C6H5O7 + NaHCO3 = CO2 + H2O + NaC6H5O7 =>
8 H3C6H5O7 + 9 NaHCO3 = 3 CO2 + 14 H2O + 9 NaC6H5O7
Fe + H2O = FeO3 + H6 =>
Fe + 3 H2O = FeO3 + H6
CUS + HNO3 = CU(NO3)2 + S + NO + H2O =>
3 CUS + 8 HNO3 = 3 CU(NO3)2 + 3 S + 2 NO + 4 H2O
C4H10 = C2H6 + C2H4 =>
C4H10 = C2H6 + C2H4
Cu + Cu{2} = Cu{+} =>
Cu + Cu{2} = 2 Cu{+}
SiO2 + CH4 = SiC + CO + H2 =>
SiO2 + 3 CH4 = SiC + 2 CO + 6 H2
Sr + HI = SrHI =>
Sr + HI = SrHI
(NH4)2SO4(aq) + Na2CO3(aq) = (NH4)2CO3(aq) + Na2SO4(aq) =>
(NH4)2SO4(aq) + Na2CO3(aq) = (NH4)2CO3(aq) + Na2SO4(aq)
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
Hydrogen + Oxygen = Water =>
2 H2 + O2 = 2 H2O
NiCl2 + H2S = NiS + H2Cl2 =>
NiCl2 + H2S = NiS + H2Cl2
NH4OH + AlBr3 = NH4Br + Al(OH)3 =>
3 NH4OH + AlBr3 = 3 NH4Br + Al(OH)3
CoCO3 + CH3COOH = Co(CH3COO)2 + H2 + CO2 =>
2 CoCO3 + 5 CH3COOH = 2 Co(CH3COO)2 + 4 H2 + 4 CO2
MnO{4} + I{-} = MnO{2} + I{2}inbasicmedium =>
3 MnO{4} + 2 I{-} = 3 MnO{2} + 2 I{2}inbasicmedium
O2 + SeCl6 = SeO2 + Cl2 =>
O2 + SeCl6 = SeO2 + 3 Cl2
CH + Fe = Fe(CH) =>
CH + Fe = Fe(CH)
CH3CO2H + NaOH = NaCH3CO2 + H2O =>
CH3CO2H + NaOH = NaCH3CO2 + H2O
HgS + O2 = SO2 + Hg =>
HgS + O2 = SO2 + Hg
BaO*H2SO4 = BaSO4 + H2O =>
BaO*H2SO4 = BaSO4 + H2O
FeO + K3[Fe(CN)6] = Fe3[Fe(CN)6] + KO =>
3 FeO + K3[Fe(CN)6] = Fe3[Fe(CN)6] + 3 KO
C3 = C6 =>
2 C3 = C6
Cl + KOH = KCl + KClO + H2O =>
2 Cl + 2 KOH = KCl + KClO + H2O
S3O6{2-} + Cl2 + H2O = SO4{2-} + Cl{-} + H{+} =>
S3O6{2-} + 4 Cl2 + 6 H2O = 3 SO4{2-} + 8 Cl{-} + 12 H{+}
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
KIO3 + H2SO3 = H2SO4 + KHSO4 + I2 + H2O =>
2 KIO3 + 5 H2SO3 = 3 H2SO4 + 2 KHSO4 + I2 + H2O
NH4Cl + HCl = HNH4 + Cl =>
NH4Cl + HCl = HNH4 + 2 Cl
Cl2 + Na2SO3 + H2O = Na2HSO4 + HCl =>
Cl2 + 2 Na2SO3 + 2 H2O = 2 Na2HSO4 + 2 HCl
Li2CO3 + Ca(OH)2 = LiOH + CaCO3 =>
Li2CO3 + Ca(OH)2 = 2 LiOH + CaCO3
KHCO3(s) = K2CO3(s) + H2O(g) + CO2(g) =>
2 KHCO3(s) = K2CO3(s) + H2O(g) + CO2(g)
SrCl2 = Sr2 + Cl =>
2 SrCl2 = Sr2 + 4 Cl
NiCl2 + Nh3 = [Ni(Nh3)6]Cl2 =>
NiCl2 + 6 Nh3 = [Ni(Nh3)6]Cl2
(b)C6H10O + O2 = CO2 + H2O =>
(b)C6H10O + 8 O2 = 6 CO2 + 5 H2O
C4H10O + Cr2O7{-2} + H{+} = C4H8O + Cr{3+} + H2O =>
3 C4H10O + Cr2O7{-2} + 8 H{+} = 3 C4H8O + 2 Cr{3+} + 7 H2O
C + H = CH4 =>
C + 4 H = CH4
NiCl2 + K2S = NiS + KCl =>
NiCl2 + K2S = NiS + 2 KCl
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + H2O + NO =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 4 H2O + 2 NO
FeNO3 + HNO3 = Fe(NO3)3 + H2O + NO =>
3 FeNO3 + 8 HNO3 = 3 Fe(NO3)3 + 4 H2O + 2 NO
C6H6 + Br2 = C6H4Br + HBr =>
2 C6H6 + 3 Br2 = 2 C6H4Br + 4 HBr
ClCH2CH2OCH2OCH2CH2Cl + ClCH2CHClCH2Cl + Na2S4 = NaS4CH2CH2OCH2OCH2CH2S4CH2CHClCH2S4Na + NaCl =>
ClCH2CH2OCH2OCH2CH2Cl + ClCH2CHClCH2Cl + 3 Na2S4 = NaS4CH2CH2OCH2OCH2CH2S4CH2CHClCH2S4Na + 4 NaCl
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