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K2S + 4 H2SO4 = K2SO4 + 4 SO2 + 4 H2O
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
Pb(NO3)2(ac) + HI(ac) = PbI2(s) + HNO3(ac) =>
Pb(NO3)2(ac) + 2 HI(ac) = PbI2(s) + 2 HNO3(ac)
MnO + Al2O = Al2O3 + Mn =>
2 MnO + Al2O = Al2O3 + 2 Mn
Al(OH)3 + H2SO3 = Al2 + (SO3)3 + H2O =>
2 Al(OH)3 + 3 H2SO3 = Al2 + (SO3)3 + 6 H2O
FeCl2 + H2SO3 + HCl = FeCl3 + S + H2O =>
4 FeCl2 + H2SO3 + 4 HCl = 4 FeCl3 + S + 3 H2O
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
HClO4(aq) + Co(OH)2(s) = Co(ClO4)2(aq) + H2O(l) =>
2 HClO4(aq) + Co(OH)2(s) = Co(ClO4)2(aq) + 2 H2O(l)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
MnO4 + Br{+} = MnO2 + BrO3{+} =>
3 MnO4 + 2 Br{+} = 3 MnO2 + 2 BrO3{+}
NH4OH + H3BO3 = H2O + (NH4)3BO3 =>
3 NH4OH + H3BO3 = 3 H2O + (NH4)3BO3
CdSO + NaOH = NaSO + Cd(OH) =>
CdSO + NaOH = NaSO + Cd(OH)
LiNO3 + MgCO3 = Mg(NO3)2 + Li2CO3 =>
2 LiNO3 + MgCO3 = Mg(NO3)2 + Li2CO3
H2SO3 + SO2 = S + H2SO4 =>
2 H2SO3 + SO2 = S + 2 H2SO4
B4C + Ca(IO3)2 = B2O3 + I + CaO + CO2 =>
5 B4C + 8 Ca(IO3)2 = 10 B2O3 + 16 I + 8 CaO + 5 CO2
NaF + HCl = NaCl + HF =>
NaF + HCl = NaCl + HF
C16H40 + O2 = CO2 + H2O =>
C16H40 + 26 O2 = 16 CO2 + 20 H2O
K2MnO4 + H2SO4 = MnSO4 + KMnO4 + K2SO4 + H2O =>
5 K2MnO4 + 4 H2SO4 = MnSO4 + 4 KMnO4 + 3 K2SO4 + 4 H2O
RbF + CuSO4 = Rb2SO4 + F2Cu =>
2 RbF + CuSO4 = Rb2SO4 + F2Cu
Cd + PbO2 = CdO + Pb =>
2 Cd + PbO2 = 2 CdO + Pb
CH3SH + O2 = CO2 + SO2 + H2O =>
CH3SH + 3 O2 = CO2 + SO2 + 2 H2O
Ti3(PO3)2 + Cu = Cu3(PO3)2 + Ti =>
Ti3(PO3)2 + 3 Cu = Cu3(PO3)2 + 3 Ti
Re + Ta + B = Re58Ta12B30 =>
58 Re + 12 Ta + 30 B = Re58Ta12B30
H2PtCl6 + NH4Cl = (NH4)2PtCl6 + HCl =>
H2PtCl6 + 2 NH4Cl = (NH4)2PtCl6 + 2 HCl
Fe + HCl = FeHCl =>
Fe + HCl = FeHCl
Li2SeO3 + LiI + HCl = LiCl + H2O + I2 + Se =>
Li2SeO3 + 4 LiI + 6 HCl = 6 LiCl + 3 H2O + 2 I2 + Se
K(s) + HCl(l) = KCl2(aq) + H2(g) =>
K(s) + 2 HCl(l) = KCl2(aq) + H2(g)
ReO4 + H2 = ReO2 + H2O =>
ReO4 + 2 H2 = ReO2 + 2 H2O
ZnCl2 + H2CO3 = ZnCO3 + HCl =>
ZnCl2 + H2CO3 = ZnCO3 + 2 HCl
CO(d) + O2(d) = CO2(d) =>
2 CO(d) + O2(d) = 2 CO2(d)
Fe + NaCl + H2O = FeCl + NaOH + H2 =>
2 Fe + 2 NaCl + 2 H2O = 2 FeCl + 2 NaOH + H2
Ge + KOH + H2O2 = K2[Ge(OH)4] =>
Ge + 2 KOH + H2O2 = K2[Ge(OH)4]
(NH4)2Cr2O7 = NH3 + H2O + Cr2 + O2 =>
(NH4)2Cr2O7 = 2 NH3 + H2O + Cr2 + 3 O2
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
Sc2(CO3)3 + H3PO4 = CO2 + H2O + ScPO4 =>
Sc2(CO3)3 + 2 H3PO4 = 3 CO2 + 3 H2O + 2 ScPO4
Fe2O3(s) + H2O = Fe(OH)3(s) =>
Fe2O3(s) + 3 H2O = 2 Fe(OH)3(s)
HBr + H2O2 = Br2 + H2O =>
2 HBr + H2O2 = Br2 + 2 H2O
Fe2(SO4)3 = Fe + SO4 =>
Fe2(SO4)3 = 2 Fe + 3 SO4
Sr + FeO = SrO + Fe =>
Sr + FeO = SrO + Fe
CH3NH3Cl + H2O = H3O + Cl + CH3NH2 =>
CH3NH3Cl + H2O = H3O + Cl + CH3NH2
Na3PO4 + Ni(CIO4)2 = Ni3(PO4)2 + NaCIO4 =>
2 Na3PO4 + 3 Ni(CIO4)2 = Ni3(PO4)2 + 6 NaCIO4
Ba(NO3)2(ac) + H2O(l) = BaO + HNO3 =>
Ba(NO3)2(ac) + H2O(l) = BaO + 2 HNO3
[Co(NH3)6]Cl2 + NH4Cl + H2O2 = [Co(NH3)6]Cl3 + NH4OH =>
2[Co(NH3)6]Cl2 + 2 NH4Cl + H2O2 = 2[Co(NH3)6]Cl3 + 2 NH4OH
(CH2)5CHOH(l) + O2 = CO2 + H2O =>
2(CH2)5CHOH(l) + 17 O2 = 12 CO2 + 12 H2O
Mg + B203 + NiO = NiB + MgO =>
203 Mg + B203 + 203 NiO = 203 NiB + 203 MgO
C10H22(decano) + O2 = CO2 + H2O =>
2 C10H22(decano) + 31 O2 = 20 CO2 + 22 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
O10P4 + H2O = H3PO4 =>
O10P4 + 6 H2O = 4 H3PO4
MnCl2(aq) + (NH4)2CO3(aq) = MnCO3 + NH4Cl =>
MnCl2(aq) + (NH4)2CO3(aq) = MnCO3 + 2 NH4Cl
SnSO4 + Mg = SnMg + SO4 =>
SnSO4 + Mg = SnMg + SO4
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