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C4H6 + 3 Br2 = C4H6Br6
Mg2 + F = MgF2 =>
Mg2 + 4 F = 2 MgF2
I2 + Na2SO3 = I(SO3)2 + Na2 =>
I2 + 4 Na2SO3 = 2 I(SO3)2 + 4 Na2
MgSO4 + Sr(OH)2 = SrSO4 + Mg(OH)2 =>
MgSO4 + Sr(OH)2 = SrSO4 + Mg(OH)2
Cu(NO3)2(aq) + NAOH(aq) = Cu(OH)2(s) + NANO3(aq) =>
Cu(NO3)2(aq) + 2 NAOH(aq) = Cu(OH)2(s) + 2 NANO3(aq)
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
C8H8O3 + NaOH = C7H4Na2O3 + CH3OH + H2O = C7H6O3 + NaHSO4 =>
C8H8O3 + 2 NaOH = C7H4Na2O3 + CH3OH + H2O
Cu(OH)2 + H3PO4 = Cu3(PO4)2 + H2O =>
3 Cu(OH)2 + 2 H3PO4 = Cu3(PO4)2 + 6 H2O
NH3 + H2O = NO2 + H2 =>
2 NH3 + 4 H2O = 2 NO2 + 7 H2
Al + KOH + H2O = K3[Al(OH)6] + H2 =>
2 Al + 6 KOH + 6 H2O = 2 K3[Al(OH)6] + 3 H2
HC2H3O2(aq) + Ca(aq) = Ca(C2H3O2)2(aq) + H2(l) =>
2 HC2H3O2(aq) + Ca(aq) = Ca(C2H3O2)2(aq) + H2(l)
CO = C + O2 =>
2 CO = 2 C + O2
PbBr + AgCl = AgBr + PbCl =>
PbBr + AgCl = AgBr + PbCl
K2O + Pb(NO3)2 = KNO3 + PbO =>
K2O + Pb(NO3)2 = 2 KNO3 + PbO
Al + Fe(SO4) = Fe + Al2(SO4)3 =>
2 Al + 3 Fe(SO4) = 3 Fe + Al2(SO4)3
CH3COONa = CH3 + COONa =>
CH3COONa = CH3 + COONa
Al + PbSO4 = Al2(SO4)3 + Pb =>
2 Al + 3 PbSO4 = Al2(SO4)3 + 3 Pb
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
KI + H2O2 = HI + KOH + O2 =>
2 KI + 2 H2O2 = 2 HI + 2 KOH + O2
FeCl2 + K2CO3 = FeCO3 + KCl =>
FeCl2 + K2CO3 = FeCO3 + 2 KCl
IO3{-} + SO2 + H2O = I{-} + SO4{2-} + H3O{+} =>
IO3{-} + 3 SO2 + 9 H2O = I{-} + 3 SO4{2-} + 6 H3O{+}
Co + NaOH = Co(OH)2 + Na =>
Co + 2 NaOH = Co(OH)2 + 2 Na
C3H9OH + HCl = C3H9Cl + H2O =>
C3H9OH + HCl = C3H9Cl + H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
CuSO4 + NH4CNS + H2SO3 + H2O = CuCNS + (NH4)2SO4 + H2SO4 =>
2 CuSO4 + 2 NH4CNS + H2SO3 + H2O = 2 CuCNS + (NH4)2SO4 + 2 H2SO4
Li + H2CO3 = LiCO3 + H2 =>
Li + H2CO3 = LiCO3 + H2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C8H18O2 + O2 = CO2 + H2O =>
2 C8H18O2 + 23 O2 = 16 CO2 + 18 H2O
Zn(CO3) = ZnO + CO2 =>
Zn(CO3) = ZnO + CO2
Na2C2 + H2O = C2H2 + Na{+} + OH{-} =>
Na2C2 + 2 H2O = C2H2 + 2 Na{+} + 2 OH{-}
SnO2(s) + Sn(s) + H2SO4(aq) = SnSO4(s) + H2O(l) =>
SnO2(s) + Sn(s) + 2 H2SO4(aq) = 2 SnSO4(s) + 2 H2O(l)
Na2SO3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + Na2SO4 =>
5 Na2SO3 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 3 H2O + 5 Na2SO4
Mg(OH)2(aq) + HCl(g) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HCl(g) = MgCl2(aq) + 2 H2O(l)
N2O4 + N2H4 = NO + H2O =>
2 N2O4 + N2H4 = 6 NO + 2 H2O
C20H42 = C10H22 + C20H20 =>
12 C20H42 = 22 C10H22 + C20H20
Mg2 + F = MgF2 =>
Mg2 + 4 F = 2 MgF2
Mg(OH)2 + Na2SO4 = NaOH + MgSO4 =>
Mg(OH)2 + Na2SO4 = 2 NaOH + MgSO4
Se + O2 = Se2O2 =>
2 Se + O2 = Se2O2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Mg + Ca = Mg3Ca =>
3 Mg + Ca = Mg3Ca
Al + KOH + H2O = K3[Al(OH)6] + H2 =>
2 Al + 6 KOH + 6 H2O = 2 K3[Al(OH)6] + 3 H2
C2H5NSCl + O2 = CO2 + H2O + NO2 + SO4 + HCl =>
C2H5NSCl + 6 O2 = 2 CO2 + 2 H2O + NO2 + SO4 + HCl
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