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4 Na2S2O3 + 3 H2SO4 = 4 Na2SO4 + 3 H2S + 4 SO2
Zn(s) + H2O(l) = Zn(OH)2(aq) + H2(g) =>
Zn(s) + 2 H2O(l) = Zn(OH)2(aq) + H2(g)
AgCl + F = AgF + Cl =>
AgCl + F = AgF + Cl
H2S + Zn(OH)2 = H2O + ZnS =>
H2S + Zn(OH)2 = 2 H2O + ZnS
CH3OOH + KOH = CH3OOK + H2O =>
CH3OOH + KOH = CH3OOK + H2O
N2I3H3 = N2 + NH4I + I2 =>
8 N2I3H3 = 5 N2 + 6 NH4I + 9 I2
Cl + Co = CoCl3 =>
3 Cl + Co = CoCl3
H2SO4 + NaCl + MnO2 = H2O + NaHSO4 + Mn2SO4 + Cl2 =>
7 H2SO4 + 6 NaCl + 2 MnO2 = 4 H2O + 6 NaHSO4 + Mn2SO4 + 3 Cl2
NH3 + Cl2 = NCl3 + HCl =>
NH3 + 3 Cl2 = NCl3 + 3 HCl
AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + Ag(s) =>
2 AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + 2 Ag(s)
SbH3 + HCl = SbCl3 + H2 =>
SbH3 + 3 HCl = SbCl3 + 3 H2
C2H4 + KMnO4 = CO2 + MnO2 + KOH =>
C2H4 + 4 KMnO4 = 2 CO2 + 4 MnO2 + 4 KOH
N2O4(g) = NO2(g) =>
N2O4(g) = 2 NO2(g)
Al2(SO4)3 + LiOH = Al(OH)3 + Li2SO4 =>
Al2(SO4)3 + 6 LiOH = 2 Al(OH)3 + 3 Li2SO4
Br2 + CaI = BrI + Ca =>
Br2 + 2 CaI = 2 BrI + 2 Ca
CdF2 + Na2S = Na2F2 + CdS =>
CdF2 + Na2S = Na2F2 + CdS
C8H17OH + CH3COOH = C10H20O2 + H2O =>
C8H17OH + CH3COOH = C10H20O2 + H2O
CH3COOCH3 + H2O = CH3COO + H3O =>
2 CH3COOCH3 + 9 H2O = 3 CH3COO + 7 H3O
Br2(aq) + NaI(aq) = NaBr(aq) + I2(aq) =>
Br2(aq) + 2 NaI(aq) = 2 NaBr(aq) + I2(aq)
Ag + FeCl3 = AgCl + FeCl2 =>
Ag + FeCl3 = AgCl + FeCl2
Ni + NoCl3 = NiCl2 + No =>
3 Ni + 2 NoCl3 = 3 NiCl2 + 2 No
Hg2Cl = Hg + HgCl =>
Hg2Cl = Hg + HgCl
P + K2Cr2O7 = K2CrO4 + P2O5 + Cr2O3 =>
6 P + 10 K2Cr2O7 = 10 K2CrO4 + 3 P2O5 + 5 Cr2O3
SO2 + Mg(OH)2 = MgSO3 + H2O =>
SO2 + Mg(OH)2 = MgSO3 + H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
CuCl2 + F2 = CuF2 + Cl =>
CuCl2 + F2 = CuF2 + 2 Cl
HF + H2O = F{-} + H3O{+} =>
HF + H2O = F{-} + H3O{+}
NaOH + Sr = Sr(OH)2 + Na =>
2 NaOH + Sr = Sr(OH)2 + 2 Na
C2H5OH + Cu(OH)2 = CH3CHO + Cu2O + H2O =>
C2H5OH + 2 Cu(OH)2 = CH3CHO + Cu2O + 3 H2O
B + O2(g) = B2O3(s) =>
4 B + 3 O2(g) = 2 B2O3(s)
C20H42 + CuO = CO2 + H2O + Cu =>
C20H42 + 61 CuO = 20 CO2 + 21 H2O + 61 Cu
VO2 + NaOH = Na4VO4 + H2O =>
VO2 + 4 NaOH = Na4VO4 + 2 H2O
NH3 + CuO = N2 + Cu + H2O =>
2 NH3 + 3 CuO = N2 + 3 Cu + 3 H2O
SiO2 + Ca3(PO4)2 + Zn = CaSiO3 + P + ZnO =>
3 SiO2 + Ca3(PO4)2 + 5 Zn = 3 CaSiO3 + 2 P + 5 ZnO
HNO3 + H2S = S8 + NO2 + H2O =>
16 HNO3 + 8 H2S = S8 + 16 NO2 + 16 H2O
Ca3(PO4)2 + SiO2(s) + C(s) = CaSiO3(s) + CO(g) + P4(s) =>
2 Ca3(PO4)2 + 6 SiO2(s) + 10 C(s) = 6 CaSiO3(s) + 10 CO(g) + P4(s)
S + F{-} = S2{-} + F2 =>
4 S + 2 F{-} = 2 S2{-} + F2
CH3F + O2 = CO2 + H2O + HF =>
2 CH3F + 3 O2 = 2 CO2 + 2 H2O + 2 HF
NaCH3COO + H2SO4 = Na2SO4 + CH3COOH =>
2 NaCH3COO + H2SO4 = Na2SO4 + 2 CH3COOH
Sb + Se = Sb2Se3 =>
2 Sb + 3 Se = Sb2Se3
Ni + Cu(NO3)2 = Cu + Ni(NO3)2 =>
Ni + Cu(NO3)2 = Cu + Ni(NO3)2
Fe(s) + CuSO4 = FeSO4(s) + Cu =>
Fe(s) + CuSO4 = FeSO4(s) + Cu
Ca(OH)2 + SO2 = CaSO3 + H2O =>
Ca(OH)2 + SO2 = CaSO3 + H2O
Zn(C2H3O2)2 + NaOH = Zn(OH)2 + Na(C2H3O2) =>
Zn(C2H3O2)2 + 2 NaOH = Zn(OH)2 + 2 Na(C2H3O2)
HBr(aq) + Sr(s) = HSr + Br =>
HBr(aq) + Sr(s) = HSr + Br
CH3Cl = C + H + Cl =>
CH3Cl = C + 3 H + Cl
NH4NO3 = H2O + N2O =>
NH4NO3 = 2 H2O + N2O
ClF3 + NH3 = N2 + HF + Cl2 =>
2 ClF3 + 2 NH3 = N2 + 6 HF + Cl2
N2H4(l) + H2O2(l) = HNO3(aq) + H2O(l) =>
N2H4(l) + 7 H2O2(l) = 2 HNO3(aq) + 8 H2O(l)
KClO3 + H2O = KCl + OH =>
KClO3 + 3 H2O = KCl + 6 OH
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