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3 N2 + 2 NaI = 2 NaN3 + 2 I
Fe2(SO4)3 + Pb2 = Pb(SO4) + Fe3 =>
6 Fe2(SO4)3 + 9 Pb2 = 18 Pb(SO4) + 4 Fe3
Zn2(SO4)2 + SrCl2 = ZnCl2 + Sr2(SO4)2 =>
Zn2(SO4)2 + 2 SrCl2 = 2 ZnCl2 + Sr2(SO4)2
H2O + N2O3 = HNO2 =>
H2O + N2O3 = 2 HNO2
H2F2 = H2 + F2 =>
H2F2 = H2 + F2
CH3CHO + CUSO4 + NaOH = CH3COONa + CU2O + Na2SO4 + H2O =>
2 CH3CHO + 4 CUSO4 + 11 NaOH = 3 CH3COONa + 2 CU2O + 4 Na2SO4 + 5 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Cu + HNO3 = Cu(O3)2 + NO + H2O =>
Cu + 4 HNO3 = Cu(O3)2 + 4 NO + 2 H2O
H3PO4 + Sr(OH)2 = Sr3(PO4)2 + HOH =>
2 H3PO4 + 3 Sr(OH)2 = Sr3(PO4)2 + 6 HOH
KF + Pb(NO3)2 = KNO3 + PbF2 =>
2 KF + Pb(NO3)2 = 2 KNO3 + PbF2
S + NaOH = Na2S2O3 + NaHS + H2O =>
4 S + 4 NaOH = Na2S2O3 + 2 NaHS + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cu(s) + O2(g) + CO2(g) = CuCO3(s) =>
2 Cu(s) + O2(g) + 2 CO2(g) = 2 CuCO3(s)
Fe + Br3 = FeBr3 =>
Fe + Br3 = FeBr3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C2H8O2 + KMnO4 = Mn(C5H7O2) + H2O + KOH =>
5 C2H8O2 + 2 KMnO4 = 2 Mn(C5H7O2) + 12 H2O + 2 KOH
(ClO)2 + H2O = Cl + OH =>
(ClO)2 + 2 H2O = 2 Cl + 4 OH
Pb{2+} + O{2-} = PbO =>
Pb{2+} + O{2-} = PbO
C6H12O6(s) = C + H12O6 =>
C6H12O6(s) = 6 C + H12O6
KMnO4 + HN02 + H2SO4 = K2SO4 + MnSO4 + HNO3 + H2O =>
22 KMnO4 + 10 HN02 + 33 H2SO4 = 11 K2SO4 + 22 MnSO4 + 20 HNO3 + 28 H2O
Br2 + MnO4 = Br2O2 + Mn =>
2 Br2 + MnO4 = 2 Br2O2 + Mn
C3H2N + O2 = CO2 + H2O + NO =>
C3H2N + 4 O2 = 3 CO2 + H2O + NO
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
KMnO4 + Na2S + H2SO4 = K2SO3 + MnSO3 + Na2SO4 + H2O =>
2 KMnO4 + 2 Na2S + 3 H2SO4 = K2SO3 + 2 MnSO3 + 2 Na2SO4 + 3 H2O
Al + OH{-} + H{+} = [Al(OH)4] + H2 =>
Al + 4 OH{-} + 4 H{+} = [Al(OH)4] + 2 H2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
K + Be3N2 = Be + K3N =>
6 K + Be3N2 = 3 Be + 2 K3N
Ag + Mg(NO3)2 = Ag(NO3) + Mg =>
2 Ag + Mg(NO3)2 = 2 Ag(NO3) + Mg
NiCl2 + (NH4)3PO4 = Ni3(PO4)2 + NH4Cl =>
3 NiCl2 + 2(NH4)3PO4 = Ni3(PO4)2 + 6 NH4Cl
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Cr2(SO4)3 + KClO + KOH = K2CrO4 + KCl + K2SO4 + H2O =>
Cr2(SO4)3 + 3 KClO + 10 KOH = 2 K2CrO4 + 3 KCl + 3 K2SO4 + 5 H2O
B + W = BW =>
B + W = BW
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
S1 + F2 = SF6 =>
S1 + 3 F2 = SF6
Mg + N2 = MgN =>
2 Mg + N2 = 2 MgN
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
P4 + I2 = PI3 =>
P4 + 6 I2 = 4 PI3
NH4(aq) + OH(aq) = NH4(OH) =>
NH4(aq) + OH(aq) = NH4(OH)
Zn + Ni3(PO4)2 = Zn3(PO4)2 + Ni =>
3 Zn + Ni3(PO4)2 = Zn3(PO4)2 + 3 Ni
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C5H12O = C4H8 + CH3OH =>
C5H12O = C4H8 + CH3OH
CuNO3LiI = CuILiNO3 =>
CuNO3LiI = CuILiNO3
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Cl2O2 + H2O = HCl + HClO3 =>
Cl2O2 + H2O = HCl + HClO3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
CuBr2 + K2CO3 = CuCO3 + K2Br2 =>
CuBr2 + K2CO3 = CuCO3 + K2Br2
Ni + Fe = NiFe =>
Ni + Fe = NiFe
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
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