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Zn + 4 HNO2 = Zn(NO2)2 + NH2NO3 + H2O
Zn + Pb(NO2)2 = Pb + ZnNO2 =>
2 Zn + Pb(NO2)2 = Pb + 2 ZnNO2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
FeBr2 + Pb(NO3)2 = Fe(NO3)2 + Br2Pb =>
FeBr2 + Pb(NO3)2 = Fe(NO3)2 + Br2Pb
Sn + HCl = SnCl2 + H2 =>
Sn + 2 HCl = SnCl2 + H2
FeCl2 + NH3 + H2O = NH4Cl + FeO =>
FeCl2 + 2 NH3 + H2O = 2 NH4Cl + FeO
Sn + HCl = SnCl2 + H2 =>
Sn + 2 HCl = SnCl2 + H2
HCl + K2Cr2O7 = Cl + CrCl3 + KCl + H2O =>
14 HCl + K2Cr2O7 = 6 Cl + 2 CrCl3 + 2 KCl + 7 H2O
CH2OHCH2OH + HBr = CH2BrCH2Br + H2O =>
CH2OHCH2OH + 2 HBr = CH2BrCH2Br + 2 H2O
NaOCl + KBr = NaOBr + KCl =>
NaOCl + KBr = NaOBr + KCl
Sn + HCl = SnCl2 + H2 =>
Sn + 2 HCl = SnCl2 + H2
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
KCl + Mg = MgCl + K =>
KCl + Mg = MgCl + K
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
C6H5CH(Cl)CH3 + KOH = C6H5CHCH2 + KCl + H2O =>
C6H5CH(Cl)CH3 + KOH = C6H5CHCH2 + KCl + H2O
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
KOH(aq) + HClO4 = KClO4 + H2O =>
KOH(aq) + HClO4 = KClO4 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2W2O7 + (C2H5)2S = WS2 + Na2SO4 + H2 + H2O + C2H4 =>
Na2W2O7 + 5(C2H5)2S = 2 WS2 + Na2SO4 + 2 H2 + 3 H2O + 10 C2H4
HC2H3O2 + NaOH = NaC2H3O2 + H2O =>
HC2H3O2 + NaOH = NaC2H3O2 + H2O
AlBr3 + C = AlC3 + Br =>
AlBr3 + 3 C = AlC3 + 3 Br
C6H5CH(Cl)CH3 + KOH = C6H5CHCH2 + KCl + H2O =>
C6H5CH(Cl)CH3 + KOH = C6H5CHCH2 + KCl + H2O
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
AlCl3 + Nh4OH = Al(OH)3 + Nh4Cl =>
AlCl3 + 3 Nh4OH = Al(OH)3 + 3 Nh4Cl
K2Cr2O7 + H2SO4 + NaI = NaSO4 + K2SO4 + I2 + Cr2(SO4)3 + H2O =>
2 K2Cr2O7 + 14 H2SO4 + 6 NaI = 6 NaSO4 + 2 K2SO4 + 3 I2 + 2 Cr2(SO4)3 + 14 H2O
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
S + NaOH = Na2S2O3 + Na2S + H2O =>
4 S + 6 NaOH = Na2S2O3 + 2 Na2S + 3 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C2H5CHC2H5CH + KMnO4 + H2SO4 = C2H5CHO + K2SO4 + MnSO4 + H2O =>
5 C2H5CHC2H5CH + 4 KMnO4 + 6 H2SO4 = 10 C2H5CHO + 2 K2SO4 + 4 MnSO4 + 6 H2O
Cr + Pb(NO3)4 = Cr(NO3)3 + Pb =>
4 Cr + 3 Pb(NO3)4 = 4 Cr(NO3)3 + 3 Pb
S + NaOH = Na2S2O3 + Na2S + H2O =>
4 S + 6 NaOH = Na2S2O3 + 2 Na2S + 3 H2O
Fe2O3 + Na2O = Na3FeO3 =>
Fe2O3 + 3 Na2O = 2 Na3FeO3
FeO + CO = CO3 + Fe2 =>
2 FeO + CO = CO3 + Fe2
KMnO4 + H2SO4 + C6H5CH2OH = K2SO4 + MnSO4 + C6H5COOH + H2O =>
4 KMnO4 + 6 H2SO4 + 5 C6H5CH2OH = 2 K2SO4 + 4 MnSO4 + 5 C6H5COOH + 11 H2O
P + As = P5As3 =>
5 P + 3 As = P5As3
HCl + AgNO2 = AgCl + HNO2 =>
HCl + AgNO2 = AgCl + HNO2
K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg
HNO3 + NaOH = H2O + NaNO3 =>
HNO3 + NaOH = H2O + NaNO3
zinc + sodiumbromide = zincbromide + sodium =>
Zn + 2 NaBr = ZnBr2 + 2 Na
CuO + AlCl3 = CuCl2 + Al2O3 =>
3 CuO + 2 AlCl3 = 3 CuCl2 + Al2O3
SnCl4 + HgCl4 = HgSn + Cl =>
SnCl4 + HgCl4 = HgSn + 8 Cl
NaClO + Na2S2O3 = NaSO2 + NaCl =>
NaClO + Na2S2O3 = 2 NaSO2 + NaCl
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HNO3 + NaOH = H2O + NaNO3 =>
HNO3 + NaOH = H2O + NaNO3
Ag + NH4OH = AgNH3 + H2O =>
Ag + NH4OH = AgNH3 + H2O
C4H6 + HBr = C4H10 + Br2 =>
C4H6 + 4 HBr = C4H10 + 2 Br2
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