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Pb(NO2)4 = Pb + 4 NO2
CH3COOH + Hg = CH3COOHg + H2 =>
2 CH3COOH + 2 Hg = 2 CH3COOHg + H2
HgBr + O2 + HBr = HgBr2 + H2O =>
4 HgBr + O2 + 4 HBr = 4 HgBr2 + 2 H2O
As2S3(s) + H{+}(aq) + NO3{-}(aq) + H2O = H3AsO4(aq) + S8(s) + NO(g) =>
24 As2S3(s) + 80 H{+}(aq) + 80 NO3{-}(aq) + 32 H2O = 48 H3AsO4(aq) + 9 S8(s) + 80 NO(g)
H2 + Al(OH)3 = Al + H2O =>
3 H2 + 2 Al(OH)3 = 2 Al + 6 H2O
MgCl2 + (NH4)2CO3 + H2O = Mg(OH)2MgCO3H2O + NH4Cl + CO2 =>
2 MgCl2 + 2(NH4)2CO3 + 2 H2O = Mg(OH)2MgCO3H2O + 4 NH4Cl + CO2
Cl2 + KOH + CrI3 = K2CrO4 + KIO4 + KCl + H2O =>
27 Cl2 + 64 KOH + 2 CrI3 = 2 K2CrO4 + 6 KIO4 + 54 KCl + 32 H2O
KMnO4 + NaHSO3 + KOH = MnO2 + K2SO4 + Na2SO4 + H2O =>
4 KMnO4 + 6 NaHSO3 + 2 KOH = 4 MnO2 + 3 K2SO4 + 3 Na2SO4 + 4 H2O
G + M + C = G2MC =>
2 G + M + C = G2MC
NH3 + Cl2 = N2 + NH4Cl =>
8 NH3 + 3 Cl2 = N2 + 6 NH4Cl
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O =>
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O
(a)Tl(s) + H2S(g) + O2(g) = Tl2S(s) + H2O(l) =>
4(a)Tl(s) + 2 H2S(g) + O2(g) = 2 Tl2S(s) + 2 H2O(l)
CoCl3 + Cu = Co + CuCl2 =>
2 CoCl3 + 3 Cu = 2 Co + 3 CuCl2
H2S2O7 + CuO = CuSO4 + H2SO4 =>
H2S2O7 + CuO = CuSO4 + H2SO4
Al(SO4)3 + NaOH = OH + Na2SO4 + Al =>
Al(SO4)3 + 6 NaOH = 6 OH + 3 Na2SO4 + Al
Zn + HCI = ZnCI*2 + H*2 =>
Zn + HCI = ZnCI*2 + H*2
Br2 + H2O = HBr + HBrO4 =>
4 Br2 + 4 H2O = 7 HBr + HBrO4
CuFeS2 + HNO3 = FeSO4 + CuSO4 + NO + H2O =>
3 CuFeS2 + 16 HNO3 = 3 FeSO4 + 3 CuSO4 + 16 NO + 8 H2O
H2S + H2SO4 + K2MnO4 = K2SO4 + MnSO4 + H2O =>
H2S + 3 H2SO4 + 2 K2MnO4 = 2 K2SO4 + 2 MnSO4 + 4 H2O
NaOH + S8 = Na2S + Na2S2O3 + H2O =>
12 NaOH + S8 = 4 Na2S + 2 Na2S2O3 + 6 H2O
Mg(OH)2 + NaCl = MgCl2 + Na(OH) =>
Mg(OH)2 + 2 NaCl = MgCl2 + 2 Na(OH)
Co(NO3)2 + HCl = [CoCl4] + H2NO3 =>
Co(NO3)2 + 4 HCl = [CoCl4] + 2 H2NO3
PbSO4 + AgNO3 = PbNO3 + Ag2(SO4)2 =>
2 PbSO4 + 2 AgNO3 = 2 PbNO3 + Ag2(SO4)2
MgOHNO2 + HNO2 = Mg(NO2)2 + H2O =>
MgOHNO2 + HNO2 = Mg(NO2)2 + H2O
Cr + HCl = Cr(Cl)3 + H =>
Cr + 3 HCl = Cr(Cl)3 + 3 H
AgCl + NH4OH = Ag(NH3)2 + H2O + Cl =>
AgCl + 2 NH4OH = Ag(NH3)2 + 2 H2O + Cl
NH4F + KNO3 = KF + HF + H2O + N2 =>
5 NH4F + 3 KNO3 = 3 KF + 2 HF + 9 H2O + 4 N2
Li + Cr(OH)3 = LiOH + Cr =>
3 Li + Cr(OH)3 = 3 LiOH + Cr
S + SO42{-} + OH{-} = SO33{-} + H2O =>
18 S + 65 SO42{-} + 18 OH{-} = 83 SO33{-} + 9 H2O
KJ + Pb(NO3)2 = KNO3 + PbJ2 =>
2 KJ + Pb(NO3)2 = 2 KNO3 + PbJ2
CaO + CO + H2O = CaCO3 + H2 =>
CaO + CO + H2O = CaCO3 + H2
HF + Ge = H + FGe =>
HF + Ge = H + FGe
KMnO4 + H2SO4 + NH3 = N2 + MnSO4 + K2SO4 + H2O =>
6 KMnO4 + 9 H2SO4 + 10 NH3 = 5 N2 + 6 MnSO4 + 3 K2SO4 + 24 H2O
C5H4O2NS + H2O = CH4 + NH3 + H2S + CO2 =>
8 C5H4O2NS + 34 H2O = 15 CH4 + 8 NH3 + 8 H2S + 25 CO2
Ru + SO4 = RuSO4 =>
Ru + SO4 = RuSO4
HCOOH + C2H5OH = C3H6O2 + H2O =>
HCOOH + C2H5OH = C3H6O2 + H2O
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
Zn + NaOH = ZnO + Na2O + H2 =>
Zn + 2 NaOH = ZnO + Na2O + H2
BaH2(s) + H2O(l) = Ba(OH)2(s) + H2(g) =>
BaH2(s) + 2 H2O(l) = Ba(OH)2(s) + 2 H2(g)
BaH2(s) + H2O(l) = Ba(OH)2(aq) + H2(g) =>
BaH2(s) + 2 H2O(l) = Ba(OH)2(aq) + 2 H2(g)
Zn + H2{+} = Zn2{+} + H2 =>
2 Zn + H2{+} = Zn2{+} + H2
C3H6 + HOH = C3H8O =>
C3H6 + HOH = C3H8O
MgSO4(H2O)2 + Ba(NO3)2 = BaSO4 + Mg(NO3)2 + H2O =>
MgSO4(H2O)2 + Ba(NO3)2 = BaSO4 + Mg(NO3)2 + 2 H2O
KMnO4 + NaHSO3 + H2SO4 = MnSO4 + NaHSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 NaHSO3 + 3 H2SO4 = 2 MnSO4 + 5 NaHSO4 + K2SO4 + 3 H2O
Cd(OH)2 = CdO + H2O =>
Cd(OH)2 = CdO + H2O
Zn + CH3COONa + H2O = Zn(OH)2 + CH3COOH + Na =>
Zn + 2 CH3COONa + 2 H2O = Zn(OH)2 + 2 CH3COOH + 2 Na
Na2O + N2O5 = Na3N + O2 =>
3 Na2O + N2O5 = 2 Na3N + 4 O2
Ca(OH2) + H2SO4 = CaSO4 + H2(OH2) =>
Ca(OH2) + H2SO4 = CaSO4 + H2(OH2)
NiS + O2 = Ni2O3 + SO2 =>
4 NiS + 7 O2 = 2 Ni2O3 + 4 SO2
Sn(NO3)2 + HCl = SnCl2 + HNO3 =>
Sn(NO3)2 + 2 HCl = SnCl2 + 2 HNO3
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