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He + S = HeS
H3PO4 + HC = PC5 + H2O =>
H3PO4 + 5 HC = PC5 + 4 H2O
Fe + NaCl + K3[Fe(Cn)6] = Fe3[Fe(Cn)6]2 + KCl + Na =>
3 Fe + 6 NaCl + 2 K3[Fe(Cn)6] = Fe3[Fe(Cn)6]2 + 6 KCl + 6 Na
Ca + B2O3 = CaO + B =>
3 Ca + B2O3 = 3 CaO + 2 B
Cr2O4 = CrO2 =>
Cr2O4 = 2 CrO2
XeOF2 = XeF2 + XeO2F2 =>
2 XeOF2 = XeF2 + XeO2F2
LiC2H3O2 + Cu(NO3)2 = LiNO3 + Cu(C2H3O2)2 =>
2 LiC2H3O2 + Cu(NO3)2 = 2 LiNO3 + Cu(C2H3O2)2
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Th(NO3)4 + (NH4)2S + H2O = Th(OH)4 + NH4NO3 + H2S =>
Th(NO3)4 + 2(NH4)2S + 4 H2O = Th(OH)4 + 4 NH4NO3 + 2 H2S
Na + I2Mg = INa + Mg =>
2 Na + I2Mg = 2 INa + Mg
Ga + N = Ga2N =>
2 Ga + N = Ga2N
Mn(s) + CuSO4(aq) = MnSO4 + Cu =>
Mn(s) + CuSO4(aq) = MnSO4 + Cu
KOH + MgSO4 = Mg(OH)2 + K2(SO4) =>
2 KOH + MgSO4 = Mg(OH)2 + K2(SO4)
Li2SO4 + MgCl2 = LiCl + MgSO4 =>
Li2SO4 + MgCl2 = 2 LiCl + MgSO4
CaNO3 + HCl = CaCl2 + H2NO3 =>
CaNO3 + 2 HCl = CaCl2 + H2NO3
HCrO4{-} + H{+} + CH3CH2OH = Cr{3+} + H2O + CH3COOH =>
4 HCrO4{-} + 16 H{+} + 3 CH3CH2OH = 4 Cr{3+} + 13 H2O + 3 CH3COOH
CaCl2 + Na2Ca3 = NaCl + Ca =>
CaCl2 + Na2Ca3 = 2 NaCl + 4 Ca
NaNO3 + BaSO4 = Ba(NO3)2 + Na2SO4 =>
2 NaNO3 + BaSO4 = Ba(NO3)2 + Na2SO4
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
AgF + CaCl2 = AgCl + CaF2 =>
2 AgF + CaCl2 = 2 AgCl + CaF2
C4H9OH(s) + O2(g) = CO2(g) + H2O(g) =>
C4H9OH(s) + 6 O2(g) = 4 CO2(g) + 5 H2O(g)
BaH2O = Ba(OH2) = H2 =>
BaH2O = Ba(OH2)
O2 + Mg = MgO =>
O2 + 2 Mg = 2 MgO
H2S = H2 + S =>
H2S = H2 + S
KMnO4 + Ca(OH)2 = Ca(MnO4)2 + KOH =>
2 KMnO4 + Ca(OH)2 = Ca(MnO4)2 + 2 KOH
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
CO3{2-} + NO3{-} + As2Se3{2-} = AsO4{3-} + SeO4{2-} + NO2{-} + CO2 =>
5 CO3{2-} + 15 NO3{-} + As2Se3{2-} = 2 AsO4{3-} + 3 SeO4{2-} + 15 NO2{-} + 5 CO2
Se2O6 + H2O = H2Se2O7 =>
Se2O6 + H2O = H2Se2O7
Hg + H2CO3 = HgCO3 + H2 =>
Hg + H2CO3 = HgCO3 + H2
Ac(OH)3 = Ac2O3 + H2O =>
2 Ac(OH)3 = Ac2O3 + 3 H2O
NaOOCCH3 + HCl = NaCl + CH3COOH =>
NaOOCCH3 + HCl = NaCl + CH3COOH
Fe(OH)3 + CaCl2 = FeCl3 + Ca(OH)2 =>
2 Fe(OH)3 + 3 CaCl2 = 2 FeCl3 + 3 Ca(OH)2
H2SO4 + CaF2 = HF + CaSO4 =>
H2SO4 + CaF2 = 2 HF + CaSO4
Zn(NO3)2*6H2O + C6H12O6 = CO2 + H2O + ZnO + N2 =>
12 Zn(NO3)2*6H2O + 5 C6H12O6 = 30 CO2 + 102 H2O + 12 ZnO + 12 N2
FeS + K = K2S + Fe2 =>
2 FeS + 4 K = 2 K2S + Fe2
PCl5(s) + H2O(i) = H3PO4(ac) + HCl(g) =>
PCl5(s) + 4 H2O(i) = H3PO4(ac) + 5 HCl(g)
H2OHI = HIH2O =>
H2OHI = HIH2O
CO2 + Mg = C + MgO =>
CO2 + 2 Mg = C + 2 MgO
CeO2 + Al = Ce + Al2O3 =>
3 CeO2 + 4 Al = 3 Ce + 2 Al2O3
AuCl3 + CO = Au4Cl8 + COCl2 =>
4 AuCl3 + 2 CO = Au4Cl8 + 2 COCl2
O3 + NO = O2 + NO2 =>
O3 + NO = O2 + NO2
NaNO2 + SrCl2 = NaCl + Sr(NO2)2 =>
2 NaNO2 + SrCl2 = 2 NaCl + Sr(NO2)2
HCl(ag) + KOH(aq) = KCl(aq) + H2O(l) =>
HCl(ag) + KOH(aq) = KCl(aq) + H2O(l)
Fe2O3 + CO = CO2 + Fe =>
Fe2O3 + 3 CO = 3 CO2 + 2 Fe
CS2 + O2 = CO22 + SO2 =>
CS2 + 13 O2 = CO22 + 2 SO2
V + Br2 = VBr =>
2 V + Br2 = 2 VBr
I + Cu(NO3)2 + H2O = ICu + HNO3 + O2 =>
2 I + 2 Cu(NO3)2 + 2 H2O = 2 ICu + 4 HNO3 + O2
NH4 + CuO2 = N2 + Cu + H2O =>
2 NH4 + 2 CuO2 = N2 + 2 Cu + 4 H2O
Cu + S + O = CuSO4 =>
Cu + S + 4 O = CuSO4
(CH3)2NH + H2SO4 = (CH3)2NH3SO4 =>
(CH3)2NH + H2SO4 = (CH3)2NH3SO4
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