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SiO2 + 4 Mg = Mg2Si + 2 MgO
NaHSO4 + CH3COONa = CH3COOH + Na2SO4 =>
NaHSO4 + CH3COONa = CH3COOH + Na2SO4
NaOH(aq) + CaCl2(s) = Ca(OH)2 + NaCl =>
2 NaOH(aq) + CaCl2(s) = Ca(OH)2 + 2 NaCl
Cu + HNO3(concentrado) = CuNO3 + H2 =>
2 Cu + 2 HNO3(concentrado) = 2 CuNO3 + H2
Ai2O3 + C = Ai + CO3 =>
Ai2O3 + C = 2 Ai + CO3
Mg + SiO4 = MgO4 + Si =>
Mg + SiO4 = MgO4 + Si
ZnBr2 + LiOH = Zn(OH)2 + LiBr =>
ZnBr2 + 2 LiOH = Zn(OH)2 + 2 LiBr
CuCl2 + SnCl2 + NaOH = NaCl + Cu[Sn(OH)3]2 =>
CuCl2 + 2 SnCl2 + 6 NaOH = 6 NaCl + Cu[Sn(OH)3]2
SO2 + H2 = H2S + H2O =>
SO2 + 3 H2 = H2S + 2 H2O
C3H4HBr = C3H5Br =>
C3H4HBr = C3H5Br
H + A = HA =>
H + A = HA
KF + Ca(NO3)2 = KNO3 + CaF2 =>
2 KF + Ca(NO3)2 = 2 KNO3 + CaF2
NaOH + K3Po4 = Na3Po4 + OHK =>
3 NaOH + K3Po4 = Na3Po4 + 3 OHK
Cu(NO3)2 + K2S = KNO3 + CuS =>
Cu(NO3)2 + K2S = 2 KNO3 + CuS
S8 + P = P4S3 =>
3 S8 + 32 P = 8 P4S3
K2Cr2O7 + H2SO4 = KHSO4 + Cr(HSO4)3 + H2O + O2 =>
2 K2Cr2O7 + 16 H2SO4 = 4 KHSO4 + 4 Cr(HSO4)3 + 8 H2O + 3 O2
ZnS + HSO4 = ZnSO4 + HS =>
ZnS + HSO4 = ZnSO4 + HS
SO2 + SnO = SnSO3 =>
SO2 + SnO = SnSO3
FeI2 + NaOH = Fe(OH)2 + NaI =>
FeI2 + 2 NaOH = Fe(OH)2 + 2 NaI
NaCl + Ba(OH) = Na(OH) + BaCl =>
NaCl + Ba(OH) = Na(OH) + BaCl
ZnSO4 + NaOH = Zn(OH)2 + Na2SO4 =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2SO4
CaC2O4 + HCl = Ca(Cl)2 + H2C2O4 =>
CaC2O4 + 2 HCl = Ca(Cl)2 + H2C2O4
Co + NiSO4 = CoSO4 + Ni =>
Co + NiSO4 = CoSO4 + Ni
In3 + O2 = In3O2 =>
In3 + O2 = In3O2
Al2O3 + H2SO4 + H2O = Al2(SO4)3*7H2O =>
Al2O3 + 3 H2SO4 + 4 H2O = Al2(SO4)3*7H2O
FeSO3 + H2SO4 = FeSO4 + H2S =>
4 FeSO3 + H2SO4 = 4 FeSO4 + H2S
CaH2 + H2O = Ca[OH] + H2 =>
2 CaH2 + 2 H2O = 2 Ca[OH] + 3 H2
S(s) + HNO3(l) = H2SO4(aq) + NO2(g) + H2O(l) =>
S(s) + 6 HNO3(l) = H2SO4(aq) + 6 NO2(g) + 2 H2O(l)
Na2CrO4 + AgNO3 = Ag2CrO4 + NaNO3 =>
Na2CrO4 + 2 AgNO3 = Ag2CrO4 + 2 NaNO3
[Ni(NH3)6] + (NH4)2S = [Ni(NH3)6]S + NH4 =>
[Ni(NH3)6] + (NH4)2S = [Ni(NH3)6]S + 2 NH4
Na2[Zn(OH)4] + K4[Fe(CN)6] = K2Zn3[Fe(CN)6]2 + KOH + NaOH =>
3 Na2[Zn(OH)4] + 2 K4[Fe(CN)6] = K2Zn3[Fe(CN)6]2 + 6 KOH + 6 NaOH
Pb(OH)4 + Hg(ClO3)2 = Pb(ClO3)4 + Hg(OH)2 =>
Pb(OH)4 + 2 Hg(ClO3)2 = Pb(ClO3)4 + 2 Hg(OH)2
C6H5COOH + C6H5CH2OH = C14H12O2 + H2O =>
C6H5COOH + C6H5CH2OH = C14H12O2 + H2O
Na + MgO = Mg + Na2O =>
2 Na + MgO = Mg + Na2O
Al(OH)2 + HBr = AlBr2 + H2O =>
Al(OH)2 + 2 HBr = AlBr2 + 2 H2O
ZnS + HSO4 = ZnSO4 + HS =>
ZnS + HSO4 = ZnSO4 + HS
K2Cr2O7 + HCl = KCl4 + CrCl3 + H2O =>
K2Cr2O7 + 14 HCl = 2 KCl4 + 2 CrCl3 + 7 H2O
Cu2 + H2O + H2S = CuS + H3O =>
Cu2 + 4 H2O + 2 H2S = 2 CuS + 4 H3O
Bi(NO3)3 + NaClO + NaOH = NaBiO3 + NaCl + NaNO3 + H2O =>
Bi(NO3)3 + NaClO + 4 NaOH = NaBiO3 + NaCl + 3 NaNO3 + 2 H2O
H2SO4(aq) + KOH(aq) = K2SO4(soraq) + H2O(l) =>
H2SO4(aq) + 2 KOH(aq) = K2SO4(soraq) + 2 H2O(l)
KJ + Br2 + H2O = KJO3 + HBr =>
KJ + 3 Br2 + 3 H2O = KJO3 + 6 HBr
Fe2O3 + B2O3 + C = FeB + CO =>
Fe2O3 + B2O3 + 6 C = 2 FeB + 6 CO
OH{-} + S2O3{2-} + OCl{-} = Cl{-} + SO4{2-} + H2O =>
2 OH{-} + S2O3{2-} + 4 OCl{-} = 4 Cl{-} + 2 SO4{2-} + H2O
CH + Cl2 = CCl4 + HCl =>
2 CH + 5 Cl2 = 2 CCl4 + 2 HCl
Pb(OH)4 + Hg(ClO3)2 = Pb(ClO3)4 + Hg(OH)2 =>
Pb(OH)4 + 2 Hg(ClO3)2 = Pb(ClO3)4 + 2 Hg(OH)2
C8H6 + Br2 = C8H5Br + HBr =>
C8H6 + Br2 = C8H5Br + HBr
BaCl2 + Na2C2O3 = BaC2O3 + NaCl =>
BaCl2 + Na2C2O3 = BaC2O3 + 2 NaCl
KMnO4 + H2S = Mn(OH)4 + K2S + S =>
2 KMnO4 + 4 H2S = 2 Mn(OH)4 + K2S + 3 S
Na2SO3(aq) + HCl(aq) = NaCl(aq) + H2SO3(l) =>
Na2SO3(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2SO3(l)
HBrO3 + H2S = SBrO3 + H2 =>
2 HBrO3 + 2 H2S = 2 SBrO3 + 3 H2
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