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NaI + At = AtI + Na
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C2H4(g) + O2(g) = C(g) + H2O(g) =>
C2H4(g) + O2(g) = 2 C(g) + 2 H2O(g)
Ni + H2SO4 = NiSO4 + H2 =>
Ni + H2SO4 = NiSO4 + H2
U + H2SO4 = USO4 + H2 =>
U + H2SO4 = USO4 + H2
S3P2 = S + P =>
S3P2 = 3 S + 2 P
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
H2SO4 + KI + Na2SO3 = I2 + Na2S + K2SO4 + H2O =>
3 H2SO4 + 6 KI + Na2SO3 = 3 I2 + Na2S + 3 K2SO4 + 3 H2O
P2S5 + CH3OH = (CH3O)2PS2H + H2S =>
P2S5 + 4 CH3OH = 2(CH3O)2PS2H + H2S
Na2SO4 + BaNO32 = BaSO4 + Na2NO32 =>
Na2SO4 + BaNO32 = BaSO4 + Na2NO32
H3O{+}(aq) + HO{-}(aq) = H2O(l) =>
H3O{+}(aq) + HO{-}(aq) = 2 H2O(l)
Sn + HgO = SnO2 + Hg2 =>
Sn + 2 HgO = SnO2 + Hg2
R + X = RX =>
R + X = RX
H2(g) + I2(g) = HI(g) =>
H2(g) + I2(g) = 2 HI(g)
Zn + H2O = Zn(OH)2 + H2 =>
Zn + 2 H2O = Zn(OH)2 + H2
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
CaCl2 + Na3Po4 = Ca3(Po4)2 + NaCl =>
3 CaCl2 + 2 Na3Po4 = Ca3(Po4)2 + 6 NaCl
Cr(NO3)3 + Na2(CrO4) = Cr2(CrO4)3 + Na(NO3) =>
2 Cr(NO3)3 + 3 Na2(CrO4) = Cr2(CrO4)3 + 6 Na(NO3)
Na + (PO) = Na3(PO) =>
3 Na + (PO) = Na3(PO)
Fe(NO3)3 + NH3 + H2O = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4NO3
NaBr + S2 = NaS + Br =>
2 NaBr + S2 = 2 NaS + 2 Br
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Zn(NO3)2 + Ba(OH)2 = Ba[Zn(OH)4] + Ba(NO3)2 =>
Zn(NO3)2 + 2 Ba(OH)2 = Ba[Zn(OH)4] + Ba(NO3)2
(NH4)2MoO4 + SiO2 + HCl = H4[Si(Mo3O10)4]H2O + NH4Cl + H2O =>
12(NH4)2MoO4 + SiO2 + 24 HCl = H4[Si(Mo3O10)4]H2O + 24 NH4Cl + 9 H2O
HBr(aq) + LiOH(aq) = H2O(l) + LiBr =>
HBr(aq) + LiOH(aq) = H2O(l) + LiBr
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
S + Br = S2Br =>
2 S + Br = S2Br
CH3COH + K2[HgI4] + KOH = CH3COOK + Hg + KI + H2O =>
CH3COH + K2[HgI4] + 3 KOH = CH3COOK + Hg + 4 KI + 2 H2O
KI + MgBr2 = MgI2 + KBr =>
2 KI + MgBr2 = MgI2 + 2 KBr
NH3 + K2Cr2O7 + H2O = Cr(OH)3 + KOH + N2 =>
2 NH3 + K2Cr2O7 + H2O = 2 Cr(OH)3 + 2 KOH + N2
C16H30O2 + H2 = C16H32O2 =>
C16H30O2 + H2 = C16H32O2
C10H20O + NaOCl = C10H18O + H2O + Cl + Na =>
C10H20O + NaOCl = C10H18O + H2O + Cl + Na
CO3Ca + HCl = CO2 + CaCl2 + H2O =>
CO3Ca + 2 HCl = CO2 + CaCl2 + H2O
PbSO4 + Na2CO3 = PbCO3 + Na2SO4 =>
PbSO4 + Na2CO3 = PbCO3 + Na2SO4
Co(NO3)2 + NaNO2 + CH3COOH = Na3[Co(NO2)6] + NaNO3 + CH3COONa + H2O =>
2 Co(NO3)2 + 11 NaNO2 + 2 CH3COOH = 2 Na3[Co(NO2)6] + 3 NaNO3 + 2 CH3COONa + H2O
MnSO4 + K2Cr2O7 + H2SO4 = K2SO4 + KMnO4 + Cr2(SO4)3 + H2O =>
6 MnSO4 + 5 K2Cr2O7 + 11 H2SO4 = 2 K2SO4 + 6 KMnO4 + 5 Cr2(SO4)3 + 11 H2O
Al + NaOH = Na3AlO3 + H2 =>
2 Al + 6 NaOH = 2 Na3AlO3 + 3 H2
Zn(OH)2 + NaOH = Na2ZnO2 + H2O =>
Zn(OH)2 + 2 NaOH = Na2ZnO2 + 2 H2O
Mg + HNO3(k) = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 HNO3(k) = Mg(NO3)2 + 2 NO2 + 2 H2O
Cu(II)Cl + NaCO2 = NaCl + Cu(II)CO2 =>
Cu(II)Cl + NaCO2 = NaCl + Cu(II)CO2
Al2(SO4)3 + H2O + NH3 = Al(OH)3 + (NH4)2 + SO4 =>
Al2(SO4)3 + 6 H2O + 6 NH3 = 2 Al(OH)3 + 3(NH4)2 + 3 SO4
P4 + NaOH + H2O = NaH2PO4 + PH3 =>
2 P4 + 3 NaOH + 9 H2O = 3 NaH2PO4 + 5 PH3
NH4Cl = HCl + NH3 =>
NH4Cl = HCl + NH3
N2SO4 + Na2CO3 = N2CO3 + Na2SO4 =>
N2SO4 + Na2CO3 = N2CO3 + Na2SO4
SO2 + K2S = K2SO3 + S =>
3 SO2 + 2 K2S = 2 K2SO3 + 3 S
Ba(HCO3)2 + HCl = BaCl2 + H2O + CO2 =>
Ba(HCO3)2 + 2 HCl = BaCl2 + 2 H2O + 2 CO2
Na2CrO4 + KCl = NaCl + K2CrO4 =>
Na2CrO4 + 2 KCl = 2 NaCl + K2CrO4
Pb{2+} + Cl2 + H2O = PbO2 + Cl{-} + H{+} =>
Pb{2+} + Cl2 + 2 H2O = PbO2 + 2 Cl{-} + 4 H{+}
Fe(s)CuSO4(aq) = FeSO4(aq) + Cu(s) =>
Fe(s)CuSO4(aq) = FeSO4(aq) + Cu(s)
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