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4 H2S + 2 KMnO4 = K2SO4 + 2 MnS + 4 H2O + S
Pb(NO3)2 + KCl = PbCl2 + KNO3 =>
Pb(NO3)2 + 2 KCl = PbCl2 + 2 KNO3
Ni(OH)2 + (NH4)2SO4 = NiSO4 + (NH4)OH =>
Ni(OH)2 + (NH4)2SO4 = NiSO4 + 2(NH4)OH
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
AgN3 = N2 + Ag =>
2 AgN3 = 3 N2 + 2 Ag
C2H4 + O2 = CO + H2O =>
C2H4 + 2 O2 = 2 CO + 2 H2O
CH3CH(OH)COOH + NaOH = CH3CH(ONa)COONa + H2O =>
CH3CH(OH)COOH + 2 NaOH = CH3CH(ONa)COONa + 2 H2O
HNO2 + HI2 = NO + H2O + I2 =>
HNO2 + HI2 = NO + H2O + I2
K2CrO4 + HNO3 = K2Cr2O7 + KNO3 + H2O =>
2 K2CrO4 + 2 HNO3 = K2Cr2O7 + 2 KNO3 + H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
HgCl2 + Hg = Hg2Cl =>
HgCl2 + 3 Hg = 2 Hg2Cl
Ba(OH)2 + NaOH = Na2BaO2 + H2O =>
Ba(OH)2 + 2 NaOH = Na2BaO2 + 2 H2O
C2H4 + KMnO4 + KOH = CO2 + K2MnO4 + H2O =>
C2H4 + 12 KMnO4 + 12 KOH = 2 CO2 + 12 K2MnO4 + 8 H2O
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + Na2(NO3)2 =>
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + Na2(NO3)2
N2O5 + NaOH = Na2N2O6 + H2O =>
N2O5 + 2 NaOH = Na2N2O6 + H2O
CaOH2 + H2O = CaO + H2OH =>
CaOH2 + 2 H2O = CaO + 2 H2OH
C2H2 + Br2 = C2H2Br4 =>
C2H2 + 2 Br2 = C2H2Br4
H3P + O2 = P2O5 + H2O =>
2 H3P + 4 O2 = P2O5 + 3 H2O
SiO2 + H2SO4 = Si(SO4)2 + H2O =>
SiO2 + 2 H2SO4 = Si(SO4)2 + 2 H2O
PH3 + HClO3 = HCl + P2O5 + H2O =>
6 PH3 + 8 HClO3 = 8 HCl + 3 P2O5 + 9 H2O
MgS + HCl = H2S + MgCl2 =>
MgS + 2 HCl = H2S + MgCl2
Ag(NO3) + ZnCl2 = AgCl + Zn(NO3)2 =>
2 Ag(NO3) + ZnCl2 = 2 AgCl + Zn(NO3)2
Na2C2O3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Na2SO4 + CO2 + H2O =>
5 Na2C2O3 + 4 KMnO4 + 11 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 Na2SO4 + 10 CO2 + 11 H2O
Al(OH)3 + H2SO3 = H2O + Al(OH)SO3 =>
Al(OH)3 + H2SO3 = 2 H2O + Al(OH)SO3
Li + ZnCl2 = Zn + LiCl =>
2 Li + ZnCl2 = Zn + 2 LiCl
H2O + Al + KMnO4 = KAl(OH)4 + MnO2 =>
2 H2O + Al + KMnO4 = KAl(OH)4 + MnO2
NO + P = N2 + P2O5 =>
10 NO + 4 P = 5 N2 + 2 P2O5
Mg = Mg{2+} + {-} =>
Mg = Mg{2+} + 2e
Co(NO3)2 + Na2SO4 = CoSO4 + Na2(NO3)2 =>
Co(NO3)2 + Na2SO4 = CoSO4 + Na2(NO3)2
B2S3 + H2O = H3BO3 + H2S =>
B2S3 + 6 H2O = 2 H3BO3 + 3 H2S
Al(NO3)3 + K2Cr2O7 = Al2(Cr2O7)3 + KNO3 =>
2 Al(NO3)3 + 3 K2Cr2O7 = Al2(Cr2O7)3 + 6 KNO3
KMnO4 + KCl + H2O = MnO2 + KClO4 + KOH =>
8 KMnO4 + 3 KCl + 4 H2O = 8 MnO2 + 3 KClO4 + 8 KOH
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
Ca(OH)2(aq) + NH4Cl(aq) = NH4OH(aq) + CaCl2 =>
Ca(OH)2(aq) + 2 NH4Cl(aq) = 2 NH4OH(aq) + CaCl2
Be + O2 = BeO =>
2 Be + O2 = 2 BeO
CH4(g) + O(g) = CO(g) + H2O(l) =>
CH4(g) + 3 O(g) = CO(g) + 2 H2O(l)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Li2CO3 + Cu(NO3)2 = Li(NO3) + CuCO3 =>
Li2CO3 + Cu(NO3)2 = 2 Li(NO3) + CuCO3
C2H2 + KMnO4 + H2O = (COOH)2 + KOH + MnO2 =>
3 C2H2 + 8 KMnO4 + 4 H2O = 3(COOH)2 + 8 KOH + 8 MnO2
CaS + I2 + HCl = CaCl2 + HI + S8 =>
8 CaS + 8 I2 + 16 HCl = 8 CaCl2 + 16 HI + S8
CrCl3 + Na2CO3 = Cr2(CO3)3 + NaCl =>
2 CrCl3 + 3 Na2CO3 = Cr2(CO3)3 + 6 NaCl
Zn(s) + AlCl3(aq) = ZnCl3(aq) + Al(s) =>
Zn(s) + AlCl3(aq) = ZnCl3(aq) + Al(s)
P + IO3{-} + OH{-} = HPO3{2-} + I2 + H2O =>
10 P + 6 IO3{-} + 14 OH{-} = 10 HPO3{2-} + 3 I2 + 2 H2O
CaCl2 + K4[Fe(CN)6] + NH4Cl = CaKNH4[Fe(CN)6] + KCl =>
CaCl2 + K4[Fe(CN)6] + NH4Cl = CaKNH4[Fe(CN)6] + 3 KCl
(C15H31COO)3C3H5 + O2 = CO + H2O =>
(C15H31COO)3C3H5 + 47 O2 = 51 CO + 49 H2O
Na2HPO4 + BaCl2 = Ba2(HPO4)2 + NaCl =>
2 Na2HPO4 + 2 BaCl2 = Ba2(HPO4)2 + 4 NaCl
KCrO2 + Br2 + KOH = KBr + K2Cr2O7 + H2O =>
2 KCrO2 + 3 Br2 + 6 KOH = 6 KBr + K2Cr2O7 + 3 H2O
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl
Fe + H2S = FeS + H =>
Fe + H2S = FeS + 2 H
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