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3 C(grafito) + 2 Fe2O3(s) = 4 Fe(s) + 3 CO2(g)
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Zn() + HCl(aq) = ZnCl2() + H2(g) =>
Zn() + 2 HCl(aq) = ZnCl2() + H2(g)
Mg3(PO4)2 + PbS = MgS + Pb3(PO4)2 =>
Mg3(PO4)2 + 3 PbS = 3 MgS + Pb3(PO4)2
Al(s) + HBr(aq) = AlBr3(aq) + H2(g) =>
2 Al(s) + 6 HBr(aq) = 2 AlBr3(aq) + 3 H2(g)
MgCl2 + NH3 = MgNH3 + Cl =>
MgCl2 + NH3 = MgNH3 + 2 Cl
KO2 + H2O = KOH + O2H2O2 =>
2 KO2 + 2 H2O = 2 KOH + O2H2O2
La + F2 = LaF3 =>
2 La + 3 F2 = 2 LaF3
Na2B4O7*10H2O + NaOH + H2O2 + H2O = NaBO3*4H2O =>
Na2B4O7*10H2O + 2 NaOH + 4 H2O2 + H2O = 4 NaBO3*4H2O
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
AlCl3 + Na2CO3 + H2O = Al(OH)3 + CO2 + NaCl =>
2 AlCl3 + 3 Na2CO3 + 3 H2O = 2 Al(OH)3 + 3 CO2 + 6 NaCl
K + BrO3 = KBrO3 =>
K + BrO3 = KBrO3
CuCO3 = CO2 + CuO =>
CuCO3 = CO2 + CuO
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
HI(aq) + CoCO3(s) = CoI2(aq) + H2OCO2(g) =>
2 HI(aq) + CoCO3(s) = CoI2(aq) + H2OCO2(g)
BeSO4 + (NH4)2CO3 = BeCO3 + (NH4)2SO4 =>
BeSO4 + (NH4)2CO3 = BeCO3 + (NH4)2SO4
Al + CUSO4*5H2O = Al2(SO4)3 + CU + H2O =>
2 Al + 3 CUSO4*5H2O = Al2(SO4)3 + 3 CU + 15 H2O
Al + V2O5 = Al2O3 + V =>
10 Al + 3 V2O5 = 5 Al2O3 + 6 V
C2H5OH + CuO = C2H4O + H2O + Cu =>
C2H5OH + CuO = C2H4O + H2O + Cu
Al + KNO3 = Al2O3 + K2O + N2 =>
10 Al + 6 KNO3 = 5 Al2O3 + 3 K2O + 3 N2
CaCl2*6H2O = CaCl2 + H2O =>
CaCl2*6H2O = CaCl2 + 6 H2O
NH3 + HCl = H + NCl =>
NH3 + HCl = 4 H + NCl
Al + PbO2 = Al2O3 + Pb =>
4 Al + 3 PbO2 = 2 Al2O3 + 3 Pb
NH4Br + Pb(C2H3O2)2 = NH4C2H3O2 + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 NH4C2H3O2 + PbBr2
Al2(SO4)3 + Na2SO4 = Al(SO4) + Na(SO4) =>
Al2(SO4)3 + Na2SO4 = 2 Al(SO4) + 2 Na(SO4)
Sr3N2 + KClO3 = KSr3 + N2ClO3 =>
Sr3N2 + KClO3 = KSr3 + N2ClO3
Cl2(g) + KF(aq) = KCl(aq) + F2(g) =>
Cl2(g) + 2 KF(aq) = 2 KCl(aq) + F2(g)
Na2H2P2O7 + AgNO3 = Ag4P2O7 + NaNO3 + HNO3 =>
Na2H2P2O7 + 4 AgNO3 = Ag4P2O7 + 2 NaNO3 + 2 HNO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe + FeO2 + H2SO4 = FeSO4 + H2O =>
Fe + FeO2 + 2 H2SO4 = 2 FeSO4 + 2 H2O
B2O3(s) + H2O = H3BO3(aq) =>
B2O3(s) + 3 H2O = 2 H3BO3(aq)
CH3COOH + NaOH + H2O = CH3COONa*3H2O =>
CH3COOH + NaOH + 2 H2O = CH3COONa*3H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Ba(CH3COO)2 + K2SO4 = Ba(SO4) + KCH3COO =>
Ba(CH3COO)2 + K2SO4 = Ba(SO4) + 2 KCH3COO
PbNO3 + NaOH = PbOH + NaNO3 =>
PbNO3 + NaOH = PbOH + NaNO3
Ba(NO3)2(aq) + KCl(aq) = BaCl2(s) + KNO3(aq) =>
Ba(NO3)2(aq) + 2 KCl(aq) = BaCl2(s) + 2 KNO3(aq)
H2O + K2SO4 = H2SO4 + K2O =>
H2O + K2SO4 = H2SO4 + K2O
Ba(NO3)2(aq) + KCl(aq) = BaCl2 + KNO3 =>
Ba(NO3)2(aq) + 2 KCl(aq) = BaCl2 + 2 KNO3
Ba(NO3)2 + NH3 = BaNH3 + NO3 =>
Ba(NO3)2 + NH3 = BaNH3 + 2 NO3
Ba(NO3)2 + Na(SO4) = Ba(SO4)2 + Na(NO3) =>
Ba(NO3)2 + 2 Na(SO4) = Ba(SO4)2 + 2 Na(NO3)
FeSO4 + Ce(SO4)2 = Fe(SO4)3 + Ce2(SO4)3 =>
FeSO4 + 4 Ce(SO4)2 = Fe(SO4)3 + 2 Ce2(SO4)3
Ba(No3)2(aq) + KCl(aq) = BaCl2 + KNo3 =>
Ba(No3)2(aq) + 2 KCl(aq) = BaCl2 + 2 KNo3
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
Ba(OH)2(aq) + Fe2(SO4)3(aq) = Fe(OH)3(s) + BaSO4(aq) =>
3 Ba(OH)2(aq) + Fe2(SO4)3(aq) = 2 Fe(OH)3(s) + 3 BaSO4(aq)
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
NaClO + H2O + K2SO3 = NaCl + KOH + SO4 =>
2 NaClO + H2O + K2SO3 = 2 NaCl + 2 KOH + SO4
Fe(aq) + O2(g) = Fe2O3(s) =>
4 Fe(aq) + 3 O2(g) = 2 Fe2O3(s)
K2Cr2O7 + H2S + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4
Ba2 + H2O = (OH)2Ba + H3 =>
3 Ba2 + 12 H2O = 6(OH)2Ba + 4 H3
NaCl + AgNO3{-} = NaNO3{-} + AgCl =>
NaCl + AgNO3{-} = NaNO3{-} + AgCl
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