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2 K + H2S = K2S + H2
Fe2 + O2 = Fe2O3 =>
2 Fe2 + 3 O2 = 2 Fe2O3
KClO + S + H2O = H2SO4 + KCl =>
3 KClO + S + H2O = H2SO4 + 3 KCl
K2MnO4 + H2O2 = MnO2 + KOH + O2 =>
K2MnO4 + H2O2 = MnO2 + 2 KOH + O2
H + Cl + O2 = HClO3 =>
2 H + 2 Cl + 3 O2 = 2 HClO3
Fe2O3 + Cl = FeCl2 + O2 =>
2 Fe2O3 + 8 Cl = 4 FeCl2 + 3 O2
K2Cr2O7(ac) + H2SO4(ac) + FeSO4(ac) = Fe2(SO4)3(ac) + Cr2(SO4)3(ac) + K2SO4(ac) + H2O =>
K2Cr2O7(ac) + 7 H2SO4(ac) + 6 FeSO4(ac) = 3 Fe2(SO4)3(ac) + Cr2(SO4)3(ac) + K2SO4(ac) + 7 H2O
Fe + NaOH = Fe(OH)3 + Na =>
Fe + 3 NaOH = Fe(OH)3 + 3 Na
PbCl2 + Na2SO4 = PbSO4 + NaCl =>
PbCl2 + Na2SO4 = PbSO4 + 2 NaCl
CuCl + HCl = H[CuCl2] =>
CuCl + HCl = H[CuCl2]
C3H8O + KMnO4 = C3H6O + MnO2 + KOH + H2O =>
3 C3H8O + 2 KMnO4 = 3 C3H6O + 2 MnO2 + 2 KOH + 2 H2O
Cl2 + F = ClF =>
Cl2 + 2 F = 2 ClF
Na3(PO4) + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3(PO4) + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
TiCl4 + O2 = TiO2 + Cl2 =>
TiCl4 + O2 = TiO2 + 2 Cl2
(NH4)2CO3 + CaCl2 = NH4Cl + Ca2(CO3)2 =>
2(NH4)2CO3 + 2 CaCl2 = 4 NH4Cl + Ca2(CO3)2
Li + Ni = Li3Ni =>
3 Li + Ni = Li3Ni
KMnO4 + NaOH + Na2S2O3 = K2MnO4 + Na2MnO4 + Na2SO4 + H2O =>
8 KMnO4 + 10 NaOH + Na2S2O3 = 4 K2MnO4 + 4 Na2MnO4 + 2 Na2SO4 + 5 H2O
C7H6O2 + NaOH = C7H5NaO2 + H2O =>
C7H6O2 + NaOH = C7H5NaO2 + H2O
H3P + O2 = P4O10 + H2O =>
4 H3P + 8 O2 = P4O10 + 6 H2O
CuSO4 + HNO3 = Cu(NO3)2 + H2SO4 = =>
CuSO4 + 2 HNO3 = Cu(NO3)2 + H2SO4
Ca3(PO4)2(aq) + H2SO4(aq) = CaSO4(aq) + H3PO4(aq) =>
Ca3(PO4)2(aq) + 3 H2SO4(aq) = 3 CaSO4(aq) + 2 H3PO4(aq)
K2O + P2O5 + H2O = KH2PO4 =>
K2O + P2O5 + 2 H2O = 2 KH2PO4
Cr2(CO3)3 + H2SO4 = Cr2(SO4)3 + H2CO3 =>
Cr2(CO3)3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2CO3
Co(NO3)2 + Na2C2O4 = CoC2O4 + NaNO3 =>
Co(NO3)2 + Na2C2O4 = CoC2O4 + 2 NaNO3
C18H32O7 + C4H6O3 = C20H34O8 + C2H4O2 =>
C18H32O7 + C4H6O3 = C20H34O8 + C2H4O2
H2 + O3 = H2O =>
3 H2 + O3 = 3 H2O
MnO2 + H2SO4 = Mn(SO4)2 + H2O =>
MnO2 + 2 H2SO4 = Mn(SO4)2 + 2 H2O
CH3CN + O2 = HNO3 + H2O + CO2 =>
CH3CN + 4 O2 = HNO3 + H2O + 2 CO2
Hg + HCl = HgCl + H =>
Hg + HCl = HgCl + H
KHC4H4O6(S) + NaHCO3 = KNaC4H4O6(S) + H2O(i) + CO2(g) =>
KHC4H4O6(S) + NaHCO3 = KNaC4H4O6(S) + H2O(i) + CO2(g)
FeCl3 + HCl = Cl + FeH =>
FeCl3 + HCl = 4 Cl + FeH
H2S = H2 + S8 =>
8 H2S = 8 H2 + S8
AgNo3 + Mg(OH)2 = Mg(No3)2 + AgOH =>
2 AgNo3 + Mg(OH)2 = Mg(No3)2 + 2 AgOH
KMnO4 + FeSO4 + H2O = MnO2 + FeOHSO4 + KOH =>
KMnO4 + 3 FeSO4 + 2 H2O = MnO2 + 3 FeOHSO4 + KOH
N2H2 + N2O4 = N2 + H2O =>
4 N2H2 + N2O4 = 5 N2 + 4 H2O
NaOH + HNO3 = NaNO3 + H2O = heat =>
NaOH + HNO3 = NaNO3 + H2O
Br2 + I = Br2I =>
Br2 + I = Br2I
Co(OH)3 + H2SO4 = Co + SO4 + H2O =>
2 Co(OH)3 + 3 H2SO4 = 2 Co + 3 SO4 + 6 H2O
Zn + OH = ZnO + H2O =>
Zn + 2 OH = ZnO + H2O
MgCO3 + CO2H2O = Mg(HCO3)2 =>
MgCO3 + CO2H2O = Mg(HCO3)2
Ti + N2 = Ti3N4 =>
3 Ti + 2 N2 = Ti3N4
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
KI + PbO2 + HNO3 = I2 + Pb(NO3)2 + KOH =>
2 KI + PbO2 + 2 HNO3 = I2 + Pb(NO3)2 + 2 KOH
Fe2O3 + NaOH + H2O = NaFe(OH)4 =>
Fe2O3 + 2 NaOH + 3 H2O = 2 NaFe(OH)4
C6H14O6 + H2 = C6H14 + H2O =>
C6H14O6 + 6 H2 = C6H14 + 6 H2O
FeCl3 + Hg = FeCl2 + HgCl2 =>
2 FeCl3 + Hg = 2 FeCl2 + HgCl2
CH4 + KMnO4 = CH3 + K + HMnO4 =>
CH4 + KMnO4 = CH3 + K + HMnO4
Ag + O = AgO =>
Ag + O = AgO
C2H4Br2 + Na = C2H4 + NaBr =>
C2H4Br2 + 2 Na = C2H4 + 2 NaBr
C3H7OH + CuO = C2H5COH + Cu + H2O =>
C3H7OH + CuO = C2H5COH + Cu + H2O
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