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2 Al + 3 CuO = Al2O3 + 3 Cu
FeCl3 + NaOH = NaFeO2 + NaCl + H2O =>
FeCl3 + 4 NaOH = NaFeO2 + 3 NaCl + 2 H2O
Pt + HNO3 + HCl = H2PtCl6 + NO2 + H2O =>
Pt + 4 HNO3 + 6 HCl = H2PtCl6 + 4 NO2 + 4 H2O
(NH4)Cl + H2O = (NH4)2O + HCl =>
2(NH4)Cl + H2O = (NH4)2O + 2 HCl
SO2 + Fe2O3 = Fe2(SO3)3 =>
3 SO2 + Fe2O3 = Fe2(SO3)3
BrO2 + NaOH = NaBr + NaBrO3 + H2O =>
6 BrO2 + 6 NaOH = NaBr + 5 NaBrO3 + 3 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
(NH4)2CO3 + H2S = (NH4)2S + H2CO3 =>
(NH4)2CO3 + H2S = (NH4)2S + H2CO3
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
FeS2 + O2 = Fe2O + SO =>
4 FeS2 + 5 O2 = 2 Fe2O + 8 SO
C11H21 + O2 = CO2 + H2O =>
4 C11H21 + 65 O2 = 44 CO2 + 42 H2O
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Mg(OH)2 + AlCl3 = Al(OH)3 + MgCl2 =>
3 Mg(OH)2 + 2 AlCl3 = 2 Al(OH)3 + 3 MgCl2
Zn(OH)2 + K2CO3 = KOH + ZnCO3 =>
Zn(OH)2 + K2CO3 = 2 KOH + ZnCO3
[Ag(NH3)2]NO3 + Na[Sb(OH)4] + H2O = Ag + NH4OH + NaNO3 + H[Sb(OH)6] =>
10[Ag(NH3)2]NO3 + 9 Na[Sb(OH)4] + 36 H2O = 10 Ag + 21 NH4OH + 9 NaNO3 + 9 H[Sb(OH)6]
BaCO3 + CaSO4 = BaSO4 + CaCO3 =>
BaCO3 + CaSO4 = BaSO4 + CaCO3
Cu(NO3)2 + LiOH = CuOH + Li(NO3)2 =>
Cu(NO3)2 + LiOH = CuOH + Li(NO3)2
BaO + SO3 = SO + BaO2 =>
2 BaO + SO3 = SO + 2 BaO2
Phosphorus + Iodine = phosphorustriiodide =>
2 P + 3 I2 = 2 PI3
HBr + H2SO4 = Br2 + H2S03 + H2O =>
20 HBr + 3 H2SO4 = 10 Br2 + H2S03 + 12 H2O
NaHCO3 + HC2H3O2 = NaC2H3O2 + CO2 + H2O =>
NaHCO3 + HC2H3O2 = NaC2H3O2 + CO2 + H2O
C4H4O4 + NaOH = H2O + Na + C4H3O4 =>
C4H4O4 + NaOH = H2O + Na + C4H3O4
Cu3(CO3)2(OH)2 + H2SO4 = CuSO4 + CO2 + H2O =>
Cu3(CO3)2(OH)2 + 3 H2SO4 = 3 CuSO4 + 2 CO2 + 4 H2O
KNO3(s) + S(s) + C(s) = CO2(g) + K2S(s) + N2 =>
2 KNO3(s) + S(s) + 3 C(s) = 3 CO2(g) + K2S(s) + N2
C3H6O + HI = C3H7OH + I =>
C3H6O + 2 HI = C3H7OH + 2 I
HCl + MgO = MgCl + H2O + Cl2 =>
4 HCl + 2 MgO = 2 MgCl + 2 H2O + Cl2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
O2 + C5H9O = H2O + CO2 =>
27 O2 + 4 C5H9O = 18 H2O + 20 CO2
C7H5N3O6 = CO + N + H2O + C =>
2 C7H5N3O6 = 7 CO + 6 N + 5 H2O + 7 C
SrSO3 + CH3COOH = Sr(CH3COO)2 + H2O + SO2 =>
SrSO3 + 2 CH3COOH = Sr(CH3COO)2 + H2O + SO2
Cu2(Fe(CN)6) + NH3*H2O = (NH4)4(Fe(CN)6) + (Cu(NH3)4)(OH)2 + H2O =>
Cu2(Fe(CN)6) + 12 NH3*H2O = (NH4)4(Fe(CN)6) + 2(Cu(NH3)4)(OH)2 + 8 H2O
CoCl2(aq) + Na2SO4(aq) = Co2(SO4)2(aq) + NaCl(aq) =>
2 CoCl2(aq) + 2 Na2SO4(aq) = Co2(SO4)2(aq) + 4 NaCl(aq)
NO2 + KOH = KNO3KNO2 + H2O =>
2 NO2 + 2 KOH = KNO3KNO2 + H2O
KIO3 + KI + H2SO4 = K2SO4 + H2O + I2 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 3 I2
P0 = P =>
P0 = P
HI(aq) + K2S(aq) = H2S + KI =>
2 HI(aq) + K2S(aq) = H2S + 2 KI
H2O + NaClO + AgNO3 = NaNO3 + AgClO4 + H2 =>
3 H2O + NaClO + AgNO3 = NaNO3 + AgClO4 + 3 H2
HBrKHCO3 = H2OKBrCO2 =>
HBrKHCO3 = H2OKBrCO2
Pb(CH3COO)2 + KI = Pb(I)2 + KCH3COO =>
Pb(CH3COO)2 + 2 KI = Pb(I)2 + 2 KCH3COO
CaCl2(aq) + AgNO3(aq) = AgCl(l) + Ca(NO3)2(l) =>
CaCl2(aq) + 2 AgNO3(aq) = 2 AgCl(l) + Ca(NO3)2(l)
NaNO3 + AlN3O18H18 + C6H7O8 = NaAl11O17 + H2O + CO2 + N2 =>
3 NaNO3 + 33 AlN3O18H18 + 34 C6H7O8 = 3 NaAl11O17 + 416 H2O + 204 CO2 + 51 N2
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
H + Cl = HCl =>
H + Cl = HCl
Sr(OH)2 + CO2 = SrO + C(OH)4 =>
2 Sr(OH)2 + CO2 = 2 SrO + C(OH)4
CuSO4 + HClO4 = Cu(ClO4)2 + H2SO4 =>
CuSO4 + 2 HClO4 = Cu(ClO4)2 + H2SO4
NaI + C6H12 = C6H12I2 + Na =>
2 NaI + C6H12 = C6H12I2 + 2 Na
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
K2CrO4 + HI + HClO4 = Cr(ClO4)3 + I2 + KClO4 + H2O =>
2 K2CrO4 + 6 HI + 10 HClO4 = 2 Cr(ClO4)3 + 3 I2 + 4 KClO4 + 8 H2O
Mg(OH)2(aq) + HCl(aq) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l)
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