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Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Fe(OH)2 + O2 = Fe2O3 + HO2 =>
4 Fe(OH)2 + 7 O2 = 2 Fe2O3 + 8 HO2
P + O2 = P2O4 =>
2 P + 2 O2 = P2O4
Sn + KOH = K2SnO2 + H2 =>
Sn + 2 KOH = K2SnO2 + H2
CH3CH2CH3 + O2 = CO2 + H2O =>
CH3CH2CH3 + 5 O2 = 3 CO2 + 4 H2O
C7H4NaNO3S + CH3CH2I = NaI + C9H9NO3S =>
C7H4NaNO3S + CH3CH2I = NaI + C9H9NO3S
I3 = I =>
I3 = 3 I
Hg2(CN)2 = Hg2 + CN =>
Hg2(CN)2 = Hg2 + 2 CN
Al + H2SO4 = Al2(SO4)3 + H2O + SO2 =>
2 Al + 6 H2SO4 = Al2(SO4)3 + 6 H2O + 3 SO2
FeS + NH4OH = FeOH + NH4S =>
FeS + NH4OH = FeOH + NH4S
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C + H = C2H4 =>
2 C + 4 H = C2H4
CaSO4 + C = CaO + CO2 + SO2 =>
2 CaSO4 + C = 2 CaO + CO2 + 2 SO2
HCl + NaClO2 = ClO2 + NaCl + H2O =>
4 HCl + 5 NaClO2 = 4 ClO2 + 5 NaCl + 2 H2O
Ba(NO3)2 + FrCl = FrNO3 + BaCl2 =>
Ba(NO3)2 + 2 FrCl = 2 FrNO3 + BaCl2
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
C(s) + O(g) + N(g) + H(g) = H2NCH2COOH(s) =>
2 C(s) + 2 O(g) + N(g) + 5 H(g) = H2NCH2COOH(s)
Fe3O4 + HCl = FeCl3 + H2O + H2 =>
2 Fe3O4 + 18 HCl = 6 FeCl3 + 8 H2O + H2
KCrO2 + HCl = CrCl3 + KCl + H2O =>
KCrO2 + 4 HCl = CrCl3 + KCl + 2 H2O
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
K2S(ac) + HCl(ac) = KCl + H2S(g) =>
K2S(ac) + 2 HCl(ac) = 2 KCl + H2S(g)
Cu + HgCl2 = CuCl2 + Hg =>
Cu + HgCl2 = CuCl2 + Hg
Mg(s) + Pb(C2H3O2)2(ac) = Mg(C2H3O2)2(s) + Pb(s) =>
Mg(s) + Pb(C2H3O2)2(ac) = Mg(C2H3O2)2(s) + Pb(s)
Zn + NO3{-} + H{+} = Zn{2+} + NH4{+} + H2O =>
4 Zn + NO3{-} + 10 H{+} = 4 Zn{2+} + NH4{+} + 3 H2O
(NH4)2C2O4 + NaOH + KMnO4 = KNaMnO4 + H2O + N2 + CO2 =>
(NH4)2C2O4 + 8 NaOH + 8 KMnO4 = 8 KNaMnO4 + 8 H2O + N2 + 2 CO2
Fe2Se3 = Fe + Se =>
Fe2Se3 = 2 Fe + 3 Se
Na2S203 + I3 = S203 + NaI3 =>
Na2S203 + 2 I3 = S203 + 2 NaI3
C + H = CH4 =>
C + 4 H = CH4
Ag2Cr2O7 + H2SO4 + AgI = Ag2SO4 + Cr2(SO4)2 + I2 + H2O =>
Ag2Cr2O7 + 7 H2SO4 + 8 AgI = 5 Ag2SO4 + Cr2(SO4)2 + 4 I2 + 7 H2O
Na2SiF6 + KCl = Na2Cl + KSiF6 =>
Na2SiF6 + KCl = Na2Cl + KSiF6
HCl + NaClO2 = ClO2 + NaCl + H2O =>
4 HCl + 5 NaClO2 = 4 ClO2 + 5 NaCl + 2 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Cu2(OH)2CO3 + NaOH = Cu(OH)2 + Na2CO3 =>
Cu2(OH)2CO3 + 2 NaOH = 2 Cu(OH)2 + Na2CO3
KMnO4 + CO + H2SO4 = H2O + Mn + K + CO2SO4 =>
KMnO4 + 2 CO + 2 H2SO4 = 2 H2O + Mn + K + 2 CO2SO4
Li + DyCl3 = Dy + LiCl =>
3 Li + DyCl3 = Dy + 3 LiCl
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
Cl2 + Kl + H2O = HCl + KlO3 =>
3 Cl2 + Kl + 3 H2O = 6 HCl + KlO3
Mg + N3 = MgN =>
3 Mg + N3 = 3 MgN
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Au2S3(s) + H2(g) = Au(s) + H2S(g) =>
Au2S3(s) + 3 H2(g) = 2 Au(s) + 3 H2S(g)
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
KMnO4 + H2SO4 + H2S = K2SO4 + MnSO4 + H2O =>
8 KMnO4 + 7 H2SO4 + 5 H2S = 4 K2SO4 + 8 MnSO4 + 12 H2O
C25H50O2 + O2 = CO2 + H2O =>
2 C25H50O2 + 73 O2 = 50 CO2 + 50 H2O
HNO3(g) + H2(g) = NH3(g) + H2O(g) =>
HNO3(g) + 4 H2(g) = NH3(g) + 3 H2O(g)
C6H8O7 + NaOH = Na3C6H5O7 + H2O =>
C6H8O7 + 3 NaOH = Na3C6H5O7 + 3 H2O
LiNO3 + Mn(NO3)2 + C12H22O11 = LiMn2O4 + N2 + CO2 + H2O =>
24 LiNO3 + 48 Mn(NO3)2 + 11 C12H22O11 = 24 LiMn2O4 + 60 N2 + 132 CO2 + 121 H2O
(H2CO3) = CO2 + H2O =>
(H2CO3) = CO2 + H2O
(HOCH2CH2)2S + HCl + Na2SO4 = (ClCH2CH2)2S + Na2SO4*10H2O =>
5(HOCH2CH2)2S + 10 HCl + Na2SO4 = 5(ClCH2CH2)2S + Na2SO4*10H2O
AlI3 + K3PO4 = AlPO4 + K3I3 =>
AlI3 + K3PO4 = AlPO4 + K3I3
C25H50 + O2 = CO2 + H2O =>
2 C25H50 + 75 O2 = 50 CO2 + 50 H2O
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