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7 K3[Fe(Cl)6] + Re + 8 KOH = 7 K4[Fe(Cl)6] + KReO4 + 4 H2O
BCl3 + Na2S + H2O = Na2B4O7 + H2S + NaCl =>
4 BCl3 + 7 Na2S + 7 H2O = Na2B4O7 + 7 H2S + 12 NaCl
Cu + H2SO4 = CuSO4 + S + H2O =>
3 Cu + 4 H2SO4 = 3 CuSO4 + S + 4 H2O
K + NHO3 = KNO3 + H2 =>
2 K + 2 NHO3 = 2 KNO3 + H2
e + Cl2 = Cl{-} =>
2e + Cl2 = 2 Cl{-}
C2H(g) + O2(g) = CO2(g) + H2O(g) =>
4 C2H(g) + 9 O2(g) = 8 CO2(g) + 2 H2O(g)
NaOH + H3AsO4 = Na3AsO4 + H2O =>
3 NaOH + H3AsO4 = Na3AsO4 + 3 H2O
sodiumazide = sodium + nitrogen =>
2 NaN3 = 2 Na + 3 N2
(CH3NH3)Cl + NaOH = CH3NH2 + NaCl + H2O =>
(CH3NH3)Cl + NaOH = CH3NH2 + NaCl + H2O
K3[Fe(Cl)6] + Re + KOH = K4[Fe(Cl)6] + KReO4 + H2O =>
7 K3[Fe(Cl)6] + Re + 8 KOH = 7 K4[Fe(Cl)6] + KReO4 + 4 H2O
UCl4 + HNO3 + H2O = UO2Cl2 + NO + HCl =>
3 UCl4 + 2 HNO3 + 2 H2O = 3 UO2Cl2 + 2 NO + 6 HCl
Mg(No3)2 + Na2CrO4 = MgCrO4 + NaNo3 =>
Mg(No3)2 + Na2CrO4 = MgCrO4 + 2 NaNo3
NaCl + Cs = CsCl + Na =>
NaCl + Cs = CsCl + Na
NH4Cl + Pb(NO3)2 = Pb(NH4)2 + ClNO3 =>
2 NH4Cl + Pb(NO3)2 = Pb(NH4)2 + 2 ClNO3
CuSO4H2S = CuSH2SO4 =>
CuSO4H2S = CuSH2SO4
UO4 = U3O8 + O2 =>
3 UO4 = U3O8 + 2 O2
Bi(NO3)3 + H2S = Bi2S3 + HNO3 =>
2 Bi(NO3)3 + 3 H2S = Bi2S3 + 6 HNO3
Zn + NO3{-} + H2O = NH3 + Zn(OH){2+} + OH{-} =>
8 Zn + 3 NO3{-} + 18 H2O = 3 NH3 + 8 Zn(OH){2+} + 19 OH{-}
C6H8O6(aq) + I2(aq) = C6H6O6(aq) + HI(aq) =>
C6H8O6(aq) + I2(aq) = C6H6O6(aq) + 2 HI(aq)
Sn + O2 = SnO2 =>
Sn + O2 = SnO2
Ba(NO3)2 + KCl = BaCl2 + K(NO3) =>
Ba(NO3)2 + 2 KCl = BaCl2 + 2 K(NO3)
C8H8O3 + NaOH = C7H5Na2O3 + CH3OH + H2O =>
13 C8H8O3 + 28 NaOH = 14 C7H5Na2O3 + 6 CH3OH + 19 H2O
Cu(NO3)3 + H2SO4 = Cu2(SO4)3 + HNO3 =>
2 Cu(NO3)3 + 3 H2SO4 = Cu2(SO4)3 + 6 HNO3
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
[Co(NH3)6] + H2O = [Co(NH3)5(H2O)] + NH3 =>
[Co(NH3)6] + H2O = [Co(NH3)5(H2O)] + NH3
C5H10 + Br = C5H9Br + H =>
C5H10 + Br = C5H9Br + H
H4B2O5 + Al(OH)3 = Al4(B2O5)3 + H2O =>
3 H4B2O5 + 4 Al(OH)3 = Al4(B2O5)3 + 12 H2O
Fe3O4 + HCl = FeCl3 + H2 + H2O =>
2 Fe3O4 + 18 HCl = 6 FeCl3 + H2 + 8 H2O
Mg(s) + CuCl2 = MgCl2(aq) + Cu(s) =>
Mg(s) + CuCl2 = MgCl2(aq) + Cu(s)
Nb + H2SO4 = NbSO4 + H2 =>
Nb + H2SO4 = NbSO4 + H2
HCO3 + HCl = Cl2 + CO2 + H2O =>
2 HCO3 + 2 HCl = Cl2 + 2 CO2 + 2 H2O
ZnCO3 = Zn + CO + O2 =>
ZnCO3 = Zn + CO + O2
Br2 + NaCr2O2 + NaOH = Na2CrO4 + NaBr + H2O =>
9 Br2 + 2 NaCr2O2 + 24 NaOH = 4 Na2CrO4 + 18 NaBr + 12 H2O
S8 + NO3{-} + OH{-} = SO4{2-} + NO2{-} + H2O =>
S8 + 24 NO3{-} + 16 OH{-} = 8 SO4{2-} + 24 NO2{-} + 8 H2O
KCl + AgF = KF + AgCl =>
KCl + AgF = KF + AgCl
Se + Er = SeEr =>
Se + Er = SeEr
Cu(s) + LiNO3(aq) = Cu(NO3)2(aq) + Li(s) =>
Cu(s) + 2 LiNO3(aq) = Cu(NO3)2(aq) + 2 Li(s)
TlSO4 + Br2 + KOH = Tl2O3 + KBr + K2SO4 + H2O =>
2 TlSO4 + Br2 + 6 KOH = Tl2O3 + 2 KBr + 2 K2SO4 + 3 H2O
CH4N2 = CH4 + N2 =>
CH4N2 = CH4 + N2
NiS(s) + O2 = NiO(s) + SO2(g) =>
2 NiS(s) + 3 O2 = 2 NiO(s) + 2 SO2(g)
Ba(OH)2 + Na2CO3 = BaCO3 + Na2(OH)2 =>
Ba(OH)2 + Na2CO3 = BaCO3 + Na2(OH)2
Ga2O3 + Na2CO3 = NaGaO2 + CO2 =>
Ga2O3 + Na2CO3 = 2 NaGaO2 + CO2
FeS2(s) + O2 = Fe2O3(s) + SO2(g) =>
4 FeS2(s) + 11 O2 = 2 Fe2O3(s) + 8 SO2(g)
CaCO3(s) + HBr(aq) = CaBr2(aq) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 HBr(aq) = CaBr2(aq) + H2O(l) + CO2(g)
NH3 + NH4Cl = NCl3 + NH5 =>
NH3 + 3 NH4Cl = NCl3 + 3 NH5
Ca3(Po4)2 + H2SO4 = CaSO4 + H3Po4 =>
Ca3(Po4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3Po4
HSeO4 + H2O = H3O + SeO4 =>
HSeO4 + H2O = H3O + SeO4
Ca + HI = CaI + H =>
Ca + HI = CaI + H
Cu2S(s) + HI = CuI + H2S =>
Cu2S(s) + 2 HI = 2 CuI + H2S
AgI + KOH = Ag2O + KI + HI =>
2 AgI + KOH = Ag2O + KI + HI
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