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2 Cr2O7 + 7 Pb = 4 Cr + 7 PbO2
C2H5COOHC2H5OH = C2H5COOC2H5H2O =>
C2H5COOHC2H5OH = C2H5COOC2H5H2O
Zn + I2 + H2O = Zn(OH)2 + HI =>
Zn + I2 + 2 H2O = Zn(OH)2 + 2 HI
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
C6H5COOHNaHCO3 = C7H5O2NaCO2H2O =>
C6H5COOHNaHCO3 = C7H5O2NaCO2H2O
At + O2 = At4O6 =>
4 At + 3 O2 = At4O6
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
Y2O3 + BaO + CuO + O2 = YBa2Cu3O7 =>
2 Y2O3 + 8 BaO + 12 CuO + O2 = 4 YBa2Cu3O7
C2H2F2 + O2 = CO2 + HF =>
C2H2F2 + 2 O2 = 2 CO2 + 2 HF
CH4 + S2 = CS2 + H2S =>
CH4 + 2 S2 = CS2 + 2 H2S
H + Ge = HGe =>
H + Ge = HGe
H2S(g) + Cl2(g) = S8(s) + HCl(l) =>
8 H2S(g) + 8 Cl2(g) = S8(s) + 16 HCl(l)
C3H8 + HCl = C3H7Cl + H2 =>
C3H8 + HCl = C3H7Cl + H2
Fe(NO3)2 + (NH4)2S = FeS + NH4NO3 =>
Fe(NO3)2 + (NH4)2S = FeS + 2 NH4NO3
H2SO3 + H = S + H2O =>
H2SO3 + 4 H = S + 3 H2O
K2CrO4 + BaCl2 = K2Cl2 + BaCrO4 =>
K2CrO4 + BaCl2 = K2Cl2 + BaCrO4
Pb + H2O2 = PbO + H2O =>
Pb + H2O2 = PbO + H2O
K2Cr2O7 + H2SO3 = Cr2(SO4)3 + H2O + K2SO3 =>
K2Cr2O7 + 4 H2SO3 = Cr2(SO4)3 + 4 H2O + K2SO3
Zn(OH)2 + AgNO3 = Zn(NO3)2 + AgOH =>
Zn(OH)2 + 2 AgNO3 = Zn(NO3)2 + 2 AgOH
Al + NaHSO4 = Al2SO4 + Na2SO4 + H2 =>
2 Al + 2 NaHSO4 = Al2SO4 + Na2SO4 + H2
K + P4 = KP =>
4 K + P4 = 4 KP
KI + NaNO2 = I2 + KNO2 + Na =>
2 KI + 2 NaNO2 = I2 + 2 KNO2 + 2 Na
Fe3(PO4)2 + AgNO3 = Fe3NO3 + Ag(PO4)2 =>
Fe3(PO4)2 + AgNO3 = Fe3NO3 + Ag(PO4)2
NaClO + NaI = NaCl + NaIO3 =>
3 NaClO + NaI = 3 NaCl + NaIO3
PbCl2 + O2 = Pb(ClO3)2 =>
PbCl2 + 3 O2 = Pb(ClO3)2
LiNO3 + Ca(CH3CO2)2 = CaNO3 + Li(CH3CO2)2 =>
LiNO3 + Ca(CH3CO2)2 = CaNO3 + Li(CH3CO2)2
C + H2O2 = CO2 + H2O =>
C + 2 H2O2 = CO2 + 2 H2O
Cu + H2O2 = CuO + H2 =>
2 Cu + H2O2 = 2 CuO + H2
Fe(No3)3 + Ba(OH)2 = Fe(OH)3 + Ba(No3)2 =>
2 Fe(No3)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 Ba(No3)2
K + S2 = K2S =>
4 K + S2 = 2 K2S
BaCl2(aq) + NaOH(aq) = Ba(OH)2 + NaCl =>
BaCl2(aq) + 2 NaOH(aq) = Ba(OH)2 + 2 NaCl
CO2 + OH = CO3 + H2O =>
CO2 + 2 OH = CO3 + H2O
At + O2 = At2O5 =>
4 At + 5 O2 = 2 At2O5
C8H18 + NO = CO2 + N2 + H2O =>
2 C8H18 + 50 NO = 16 CO2 + 25 N2 + 18 H2O
CO2 + OH = CO3 + H2O =>
CO2 + 2 OH = CO3 + H2O
Na + TiCl = Ti + NaCl =>
Na + TiCl = Ti + NaCl
Na + K2O = Na2O + K =>
2 Na + K2O = Na2O + 2 K
Na2O + Cu(OH)2 = NaOH + CuO =>
Na2O + Cu(OH)2 = 2 NaOH + CuO
Ga + H2 = GaH2 =>
Ga + H2 = GaH2
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Ba(OH)2(H2O)8 + NH4SCN = Ba(SCN)2 + NH3 + H2O =>
Ba(OH)2(H2O)8 + 2 NH4SCN = Ba(SCN)2 + 2 NH3 + 10 H2O
K2Cr2O7 + KBr + H2SO4 = Br2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 KBr + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
H2O2 + H2S4 = H2SO4 + H2O =>
13 H2O2 + H2S4 = 4 H2SO4 + 10 H2O
Ne + O2 = NeO =>
2 Ne + O2 = 2 NeO
Al(CH3COO)3 + K2CO3 = Al2(CO3)3 + KCH3COO =>
2 Al(CH3COO)3 + 3 K2CO3 = Al2(CO3)3 + 6 KCH3COO
KNO3 + Al + KOH + H2O = NH3 + K2[Al(OH)4] =>
KNO3 + 4 Al + 7 KOH + 6 H2O = NH3 + 4 K2[Al(OH)4]
SiO + H2O = H2SiO2 =>
SiO + H2O = H2SiO2
HNO3 + Sn = Sn(NO3)2 + H2O + N2 =>
12 HNO3 + 5 Sn = 5 Sn(NO3)2 + 6 H2O + N2
(CH3)2S + O2 = CO2 + H2O + SO3 =>
(CH3)2S + 5 O2 = 2 CO2 + 3 H2O + SO3
SO2 + K2CrO4 + HCl = H2SO4 + CrCl3 + KCl + H2O =>
3 SO2 + 2 K2CrO4 + 10 HCl = 3 H2SO4 + 2 CrCl3 + 4 KCl + 2 H2O
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