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5 As2S3 + 22 KMnO4 + 66 HCl = 22 KCl + 22 MnCl2 + 10 H3AsO4 + 15 SO2 + 18 H2O
Cu2 + NH3 = [Cu(NH3)4]2 =>
Cu2 + 8 NH3 = [Cu(NH3)4]2
Cr + N2 = Cr3N4 =>
3 Cr + 2 N2 = Cr3N4
AlCl3 + HOH = HCl + Al2O3 =>
2 AlCl3 + 3 HOH = 6 HCl + Al2O3
Na + H5O = Na5O5H + H2 =>
5 Na + 5 H5O = Na5O5H + 12 H2
H2S + HNO3 = SO3 + NO2 + H2O =>
H2S + 8 HNO3 = SO3 + 8 NO2 + 5 H2O
PH3(g) + N2O(g) = P4O10(s) + H2O(g) + N2(g) =>
4 PH3(g) + 16 N2O(g) = P4O10(s) + 6 H2O(g) + 16 N2(g)
CH3CH2OH + Na2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + Na2SO4 + H2O =>
3 CH3CH2OH + Na2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + Na2SO4 + 7 H2O
S8 + PH3 = SP2 + H2 =>
S8 + 16 PH3 = 8 SP2 + 24 H2
CaCO3 + H3PO4 + H2O = CaHPO4*2H2O + CO2 =>
CaCO3 + H3PO4 + H2O = CaHPO4*2H2O + CO2
Cu(NO3)2(aq) + NaOH = Cu(OH)2 + NaNO3(aq) =>
Cu(NO3)2(aq) + 2 NaOH = Cu(OH)2 + 2 NaNO3(aq)
KCl + Hg = HgCl + K =>
KCl + Hg = HgCl + K
KHCO3 + HI = H2CO3 + KI =>
KHCO3 + HI = H2CO3 + KI
Cu{2+} + Br{-} = Br2 + Cu =>
Cu{2+} + 2 Br{-} = Br2 + Cu
Na2S(aq) + Co(NO3)2(aq) = NaNO3 + CoS(s) =>
Na2S(aq) + Co(NO3)2(aq) = 2 NaNO3 + CoS(s)
K2CrO4 + Pb(NO3)2(aq) = KNO3(aq) + PbCrO4(s) =>
K2CrO4 + Pb(NO3)2(aq) = 2 KNO3(aq) + PbCrO4(s)
N2O3 + NaOH = NaNO2 + H2O =>
N2O3 + 2 NaOH = 2 NaNO2 + H2O
(NH4)2CO3(aq) + NiCl2(aq) = NH4Cl + NiCO3 =>
(NH4)2CO3(aq) + NiCl2(aq) = 2 NH4Cl + NiCO3
AgNO3 + NaSO = AgSO + NaNO3 =>
AgNO3 + NaSO = AgSO + NaNO3
P4 + NO3{-} + H2O = PO4{-3} + NO + H{+} =>
3 P4 + 20 NO3{-} + 8 H2O = 12 PO4{-3} + 20 NO + 16 H{+}
Copper(ii)hydroxide = copper(ii)oxide + water =>
Cu(OH)2 = CuO + H2O
Ba(s) + O2(g) = BaO =>
2 Ba(s) + O2(g) = 2 BaO
CuFeS2 + O2 + H2O = Fe(OH)3 + CuSO4 + H2SO4 =>
4 CuFeS2 + 17 O2 + 10 H2O = 4 Fe(OH)3 + 4 CuSO4 + 4 H2SO4
KMnO4 + HCOOH = KHCO3 + CO2 + MnO2 + HOH =>
2 KMnO4 + 3 HCOOH = 2 KHCO3 + CO2 + 2 MnO2 + 2 HOH
Al(s) + O(g) = Al2O3 =>
2 Al(s) + 3 O(g) = Al2O3
C9H10O3 + NaBH4 + H2O = C8H10O3 + NaOH + BH3 =>
8 C9H10O3 + 2 NaBH4 + 5 H2O = 9 C8H10O3 + 2 NaOH + 2 BH3
Se(s) + O2(g) = SeO3(g) =>
2 Se(s) + 3 O2(g) = 2 SeO3(g)
MnC2O4 = Mn + CO2 =>
MnC2O4 = Mn + 2 CO2
Br2 + NH3 + H2O = NH4Br + NH4BrO =>
Br2 + 2 NH3 + H2O = NH4Br + NH4BrO
K + SO2 = K2SO3 + K2S2O3 =>
4 K + 3 SO2 = K2SO3 + K2S2O3
NiO = Ni + O2 =>
2 NiO = 2 Ni + O2
AlBr3 + Cl2(g) = AlCl3 + Br2(g) =>
2 AlBr3 + 3 Cl2(g) = 2 AlCl3 + 3 Br2(g)
Ba(OH)2(aq) + NiSO4(aq) = BaSO4(s) + Ni(OH)2(s) =>
Ba(OH)2(aq) + NiSO4(aq) = BaSO4(s) + Ni(OH)2(s)
IO3{-} + HN3 = I{-} + N2 + H2O =>
IO3{-} + 6 HN3 = I{-} + 9 N2 + 3 H2O
Al + CrCl2 = AlCl3 + Cr =>
2 Al + 3 CrCl2 = 2 AlCl3 + 3 Cr
Ag + Fe(C2H3O2)3 = AgC2H3O2 + Fe =>
3 Ag + Fe(C2H3O2)3 = 3 AgC2H3O2 + Fe
SO2 + K2CrO4 + H2O = H2SO4 + Cr(OH)3 + KOH =>
3 SO2 + 2 K2CrO4 + 8 H2O = 3 H2SO4 + 2 Cr(OH)3 + 4 KOH
H2(g) + NO = H2O + N2(g) =>
2 H2(g) + 2 NO = 2 H2O + N2(g)
C4H10O3 + H2O = CH2O2 + CH3OH =>
C4H10O3 + 2 H2O = CH2O2 + 3 CH3OH
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Al + NaHO + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaHO + 6 H2O = 2 NaAl(OH)4 + 3 H2
Pb + NH4OH = Pb(NH3)2 + H2O =>
Pb + 2 NH4OH = Pb(NH3)2 + 2 H2O
Mg(HCO3)2 + CaO = MgCO3 + CaCO3 + H2O =>
Mg(HCO3)2 + CaO = MgCO3 + CaCO3 + H2O
Al2(SO4)3(aq) + K2SO4(aq) + H2O = KAl(SO4)2*12H2O =>
Al2(SO4)3(aq) + K2SO4(aq) + 24 H2O = 2 KAl(SO4)2*12H2O
KHCO3 + BaCl2 = KCl + Ba(HCO3)2 =>
2 KHCO3 + BaCl2 = 2 KCl + Ba(HCO3)2
K2SO4 + Ca(OH)2 = CaSO4 + KOH =>
K2SO4 + Ca(OH)2 = CaSO4 + 2 KOH
PbO4 + NOH + Mn(NO3)2 = MnOH4 + Pb(NO3)2 + H2O =>
6 PbO4 + 10 NOH + Mn(NO3)2 = MnOH4 + 6 Pb(NO3)2 + 3 H2O
C2H2 + HOH = C2H4O =>
C2H2 + HOH = C2H4O
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Ni3S2 + O2 = Ni + SO2 =>
Ni3S2 + 2 O2 = 3 Ni + 2 SO2
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