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Pb + NaOH + Cl2 = Pb(OH)Cl + NaCl
CH3COOC2H5 + KOH = CH3COOK + C2H5OH =>
CH3COOC2H5 + KOH = CH3COOK + C2H5OH
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
FeCl3 + HCl = FeCl2 + HCl4 =>
3 FeCl3 + HCl = 3 FeCl2 + HCl4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BaCl2 + K2SO4 = BaSO4(s) + KCl(ag) =>
BaCl2 + K2SO4 = BaSO4(s) + 2 KCl(ag)
CuSO4 + NH4OH = Cu(OH)2 + (NH4)2SO4 =>
CuSO4 + 2 NH4OH = Cu(OH)2 + (NH4)2SO4
CoCl2 + KSCN = KCl + Co(SCN)2 =>
CoCl2 + 2 KSCN = 2 KCl + Co(SCN)2
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
NH2OH + KOH + J2 = N2 + KJ + H2O =>
2 NH2OH + 2 KOH + J2 = N2 + 2 KJ + 4 H2O
[HNO3](l) + Cu(s) = Cu(NO3)2(l) + NO2(g) + H2O(l) =>
4[HNO3](l) + Cu(s) = Cu(NO3)2(l) + 2 NO2(g) + 2 H2O(l)
Fe + H2O2 = Fe3O4 + H2 =>
3 Fe + 2 H2O2 = Fe3O4 + 2 H2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
NaOH + H2CO2 = NaHCO2 + H2O =>
NaOH + H2CO2 = NaHCO2 + H2O
NaOH + CH3COOH(aq) = CH3COONa + H2O =>
NaOH + CH3COOH(aq) = CH3COONa + H2O
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
NO3 + H2O = HNO3 + OH =>
NO3 + H2O = HNO3 + OH
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
FeSH2O = FeOH2S =>
FeSH2O = FeOH2S
Ca(H2PO4)2 + AgNO3 = Ca(NO3)2 + AgH2PO4 =>
Ca(H2PO4)2 + 2 AgNO3 = Ca(NO3)2 + 2 AgH2PO4
FeCl3 + NH2OH = FeCl2 + N2O + HCl + H2O =>
4 FeCl3 + 2 NH2OH = 4 FeCl2 + N2O + 4 HCl + H2O
K2CrO4 + KOH + H[SnCl3] + H2O = K[Cr(OH)4] + K3[Sn(OH)6] + KCl =>
K2CrO4 + 17 KOH + 3 H[SnCl3] + H2O = K[Cr(OH)4] + 3 K3[Sn(OH)6] + 9 KCl
K[Ag(CN)2] + NH3 = K[Ag(CN)2(NH3)2] =>
K[Ag(CN)2] + 2 NH3 = K[Ag(CN)2(NH3)2]
BaCl2 + NaClO = Ba(ClO)2 + NaCl =>
BaCl2 + 2 NaClO = Ba(ClO)2 + 2 NaCl
OO2O = O2O2O2O =>
7 OO2O = 4 O2O2O2O
C5H12(g) + O2(g) = CO2(g) + H2O =>
C5H12(g) + 8 O2(g) = 5 CO2(g) + 6 H2O
NaHCO3 = H2O + CO2 + Na2CO3 =>
2 NaHCO3 = H2O + CO2 + Na2CO3
CUO + H2SO4 = CUSO4 + H2O =>
CUO + H2SO4 = CUSO4 + H2O
C2H3N + O2 = H2O + CO2 + N2 =>
4 C2H3N + 11 O2 = 6 H2O + 8 CO2 + 2 N2
PbCO3 + HNO3 = Pb(NO3)2 + H2O + CO2 =>
PbCO3 + 2 HNO3 = Pb(NO3)2 + H2O + CO2
H2O2 + NaOH + S = H2O + Na2SO3 =>
2 H2O2 + 2 NaOH + S = 3 H2O + Na2SO3
Cd(NO3)2 + K3PO4 = Cd3(PO4)2 + KNO3 =>
3 Cd(NO3)2 + 2 K3PO4 = Cd3(PO4)2 + 6 KNO3
SrCl2 + K2Cr2O7 + H2O = SrCrO4 + KCl + HCl =>
2 SrCl2 + K2Cr2O7 + H2O = 2 SrCrO4 + 2 KCl + 2 HCl
MnCl2 + Al = Mn + AlCl3 =>
3 MnCl2 + 2 Al = 3 Mn + 2 AlCl3
Cr2O3 + K2CO3 + NaNO3 = K2CrO4 + CO2 + NaNO2 =>
Cr2O3 + 2 K2CO3 + 3 NaNO3 = 2 K2CrO4 + 2 CO2 + 3 NaNO2
MgCl2 + CaCO3 = MgO + CaCl2 + CO2 =>
MgCl2 + CaCO3 = MgO + CaCl2 + CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Pb(NO3)2 + Na2C2O4 = Na2(NO3)2 + PbC2O4 =>
Pb(NO3)2 + Na2C2O4 = Na2(NO3)2 + PbC2O4
CuS + HNO3 = Cu(NO5)2 + NO2 + S8 + H2O =>
8 CuS + 96 HNO3 = 8 Cu(NO5)2 + 80 NO2 + S8 + 48 H2O
S8 + O2 = S8O =>
2 S8 + O2 = 2 S8O
C3H4O4 + CH4N2O = C4H4N2O3 + H2O =>
C3H4O4 + CH4N2O = C4H4N2O3 + 2 H2O
Na2CO3 + CaCO3 + SiO2 = Na2O*CaO*6SiO2 + CO2 =>
Na2CO3 + CaCO3 + 6 SiO2 = Na2O*CaO*6SiO2 + 2 CO2
H3PO4(l) + NaOH(l) = Na3PO4(l) + H2O(l) =>
H3PO4(l) + 3 NaOH(l) = Na3PO4(l) + 3 H2O(l)
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
NaOH + Zn + H2O = H2 + Na2(Zn(OH)4) =>
2 NaOH + Zn + 2 H2O = H2 + Na2(Zn(OH)4)
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
X2 = X =>
X2 = 2 X
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