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CuSO4 + K2Cr2O7 = CuCr2O7 + K2SO4
Na2S2O3 + (NH4)2S2O8 + H2O = (NH4)2SO4 + Na2SO4 + H2SO4 =>
Na2S2O3 + 4(NH4)2S2O8 + 5 H2O = 4(NH4)2SO4 + Na2SO4 + 5 H2SO4
FeS + S8 = Fe2S3 =>
16 FeS + S8 = 8 Fe2S3
Ni(NO3)2*6H2O + KNCS + PPH3 = [Ni(NCS)2(PPH3)2] + K + NO3 + H2O =>
Ni(NO3)2*6H2O + 2 KNCS + 2 PPH3 = [Ni(NCS)2(PPH3)2] + 2 K + 2 NO3 + 6 H2O
K2S2O8 + H{+} + K6CoW12O40 + Cl{-} + H2O = K5CoW12O40(H2O)20 + HSO4{-} + KCl =>
K2S2O8 + 2 H{+} + 2 K6CoW12O40 + 4 Cl{-} + 40 H2O = 2 K5CoW12O40(H2O)20 + 2 HSO4{-} + 4 KCl
Na2Cr2O7 + Na2SO3 + H2SO4 = Na2SO4 + Cr2(SO4)2 + H2O =>
Na2Cr2O7 + 4 Na2SO3 + 3 H2SO4 = 5 Na2SO4 + Cr2(SO4)2 + 3 H2O
KMnO4 + H2SO4 = Mn2 + O7 + K2SO4 + H2O =>
2 KMnO4 + H2SO4 = Mn2 + O7 + K2SO4 + H2O
CuS + HNO3 = Cu(NO3)2 + NO2 + S8 + H2O = CuS + HNO =>
8 CuS + 32 HNO3 = 8 Cu(NO3)2 + 16 NO2 + S8 + 16 H2O
Cr(s) + SnCl2(aq) = Sn(s) + CrCl3(aq) =>
2 Cr(s) + 3 SnCl2(aq) = 3 Sn(s) + 2 CrCl3(aq)
C10H24 + O2 = CO2 + H2O =>
C10H24 + 16 O2 = 10 CO2 + 12 H2O
HS + KOH = HOH + K(ii)S =>
HS + KOH = HOH + K(ii)S
CH3CH2CH2CH2O2 + O2 = CO2 + H2O =>
4 CH3CH2CH2CH2O2 + 21 O2 = 16 CO2 + 18 H2O
Cu(NO3) + NaCO3 = Cu(CO3) + Na(NO3) =>
Cu(NO3) + NaCO3 = Cu(CO3) + Na(NO3)
Na2SO4(aq) + LiCl(aq) = LiSO4 + Na2Cl =>
Na2SO4(aq) + LiCl(aq) = LiSO4 + Na2Cl
Ca3(PO4)2 = Ca{2+PO4{3-}+} =>
Ca3(PO4)2 = 3 Ca{2+2PO4{3-}+}
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CaO + H2SiF6 = CaF2 + Ca(OH)2 + SiO2 =>
4 CaO + H2SiF6 = 3 CaF2 + Ca(OH)2 + SiO2
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
NH2 = NH3 + N2 =>
6 NH2 = 4 NH3 + N2
NaO + H2 = NaOH =>
2 NaO + H2 = 2 NaOH
BaO + S = BaS + O =>
BaO + S = BaS + O
I2{+} + OH{-} = IO3{-} + I{-} + H2O =>
2 I2{+} + 6 OH{-} = IO3{-} + 3 I{-} + 3 H2O
SnO + NF3 = N2O3 + SnF2 =>
3 SnO + 2 NF3 = N2O3 + 3 SnF2
MnCO3O2 = MnO3CO2 =>
MnCO3O2 = MnO3CO2
Ca(OH)2 + SO3 = CaSO4 + H2O =>
Ca(OH)2 + SO3 = CaSO4 + H2O
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
Ca(NO3)2 + NH4F = CaF2 + N2 + O + H2O =>
Ca(NO3)2 + 2 NH4F = CaF2 + 2 N2 + 2 O + 4 H2O
Cr2O3 + H2 = Cr + H2O =>
Cr2O3 + 3 H2 = 2 Cr + 3 H2O
LiCl + Ba(s)2 = Li(s)2 + BaCl2 =>
4 LiCl + Ba(s)2 = 2 Li(s)2 + 2 BaCl2
C2H4O2 + Li2CO3 = H2O + CO2 + LiCH3CO2 =>
2 C2H4O2 + Li2CO3 = H2O + CO2 + 2 LiCH3CO2
Na2CO3(aq) + HNO3(aq) = Na2CO3(NO3) + H2 =>
2 Na2CO3(aq) + 2 HNO3(aq) = 2 Na2CO3(NO3) + H2
CO + KOH = KO + COH =>
CO + KOH = KO + COH
CF4 + I2 = CI2 + F2 =>
CF4 + I2 = CI2 + 2 F2
C6H8O7 + Al2O3 = Al(C6H5O7) + H2O =>
2 C6H8O7 + Al2O3 = 2 Al(C6H5O7) + 3 H2O
CH3CH3CHOH + K2Cr2O7 + H2SO4 = CH3CH3CO + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH3CHOH + K2Cr2O7 + 4 H2SO4 = 3 CH3CH3CO + Cr2(SO4)3 + K2SO4 + 7 H2O
H2(SO4) + NaOH = H2O + Na2SO4 =>
H2(SO4) + 2 NaOH = 2 H2O + Na2SO4
Au + O2 = Au2O3 =>
4 Au + 3 O2 = 2 Au2O3
C2H6O + HNO3 = CO2 + H2O + N =>
5 C2H6O + 12 HNO3 = 10 CO2 + 21 H2O + 12 N
H2I2 = HI =>
H2I2 = 2 HI
K + AgCl = Ag + KCl =>
K + AgCl = Ag + KCl
CO + H2 + O2 = H2CO3 =>
CO + H2 + O2 = H2CO3
NH4NO2(s) = N2(g) + H2O(l)NH4NO2(s) = N2(g) + H2O(l) =>
3 NH4NO2(s) = N2(g) + 2 H2O(l)NH4NO2(s)
ClO2 = ClO + O2 =>
2 ClO2 = 2 ClO + O2
O2 + CoSO4 = Co2O3 + SO3 =>
O2 + 4 CoSO4 = 2 Co2O3 + 4 SO3
Cu(s) + S(g) = Cu2S =>
2 Cu(s) + S(g) = Cu2S
B + HNO3 + HCl = H3BO3 + NH3 + Cl2 =>
2 B + 2 HNO3 + 10 HCl = 2 H3BO3 + 2 NH3 + 5 Cl2
Li2O = Li + O2 =>
2 Li2O = 4 Li + O2
Cu + HNO3 = Cu(NO3)2 + H2O + N2 =>
5 Cu + 12 HNO3 = 5 Cu(NO3)2 + 6 H2O + N2
Fe(OH)Cl2 + Na2SO4 = NaCl + Fe(OH)SO4 =>
Fe(OH)Cl2 + Na2SO4 = 2 NaCl + Fe(OH)SO4
Pb + PbO2 + HCl + Na2SO4 = PbSO4 + NaCl + H2O =>
Pb + PbO2 + 4 HCl + 2 Na2SO4 = 2 PbSO4 + 4 NaCl + 2 H2O
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