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2 HgO = 2 Hg + O2
K + I2 = KI3 =>
2 K + 3 I2 = 2 KI3
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C2H2 + Cl2 = C2H2Cl4 =>
C2H2 + 2 Cl2 = C2H2Cl4
C2 + O2 = CO2 =>
C2 + 2 O2 = 2 CO2
Zn + FeSO4 = ZnSO4Fe =>
Zn + FeSO4 = ZnSO4Fe
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
Al2O3(s) = Al(l) + O2(g) =>
2 Al2O3(s) = 4 Al(l) + 3 O2(g)
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
KBr + AgNO3 = KNO3 + AgBr =>
KBr + AgNO3 = KNO3 + AgBr
Zn + HNO3 = Zn(NO3)2 + H2 =>
Zn + 2 HNO3 = Zn(NO3)2 + H2
Cu + HNO3 + H2SO4 = CuSO4 + NO + H2O =>
3 Cu + 2 HNO3 + 3 H2SO4 = 3 CuSO4 + 2 NO + 4 H2O
SnCl2 + HgCl = SnCl4 + Hg =>
SnCl2 + 2 HgCl = SnCl4 + 2 Hg
KNO3(s) = KNO2(s) + O2(g) =>
2 KNO3(s) = 2 KNO2(s) + O2(g)
P + I2 = PI3 =>
2 P + 3 I2 = 2 PI3
Cd(NO3)2 + (NH4)2S = CdS + NH4NO3 =>
Cd(NO3)2 + (NH4)2S = CdS + 2 NH4NO3
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Sn + H2SO4 = SnSO4 + H2O + S =>
3 Sn + 4 H2SO4 = 3 SnSO4 + 4 H2O + S
CH3I + Na = C2H6 + NaI =>
2 CH3I + 2 Na = C2H6 + 2 NaI
N2O3 + BaO = Ba(NO2)2 =>
N2O3 + BaO = Ba(NO2)2
SnCl2 + HgCl2 = SnCl4 + Hg =>
SnCl2 + HgCl2 = SnCl4 + Hg
CU + H2SO4 = CUSO4 + H2O + SO2 =>
CU + 2 H2SO4 = CUSO4 + 2 H2O + SO2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Mg(s) + F2(g) = MgF2(s) =>
Mg(s) + F2(g) = MgF2(s)
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Co(OH)3 = Co2O3 + H2O =>
2 Co(OH)3 = Co2O3 + 3 H2O
N2O5 + CaO = Ca(NO3)2 =>
N2O5 + CaO = Ca(NO3)2
Zn + H2SO4 = ZnSO4 + H2O + H2S =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + 4 H2O + H2S
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
K(OH) = K2O + H2O =>
2 K(OH) = K2O + H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CuO + SO2 = CuS + O2 =>
2 CuO + 2 SO2 = 2 CuS + 3 O2
H2S + Pb(NO3)2 = HNO3 + PbS =>
H2S + Pb(NO3)2 = 2 HNO3 + PbS
Mg + H2SO4 = H + MgSO4 =>
Mg + H2SO4 = 2 H + MgSO4
Na2TeO3 + NaI + HCl = NaCl + Te + I2 + H2O =>
Na2TeO3 + 4 NaI + 6 HCl = 6 NaCl + Te + 2 I2 + 3 H2O
Fe(OH)3 + HNo3 = Fe(No3)3 + H2O =>
Fe(OH)3 + 3 HNo3 = Fe(No3)3 + 3 H2O
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
AgNO3 + NaCO3 = AgCO3 + NaNO3 =>
AgNO3 + NaCO3 = AgCO3 + NaNO3
Zn(OH)2 + LiOH = [Li[Zn(OH)3]] =>
Zn(OH)2 + LiOH = [Li[Zn(OH)3]]
Na2SO4 + BaCl2 = NaCl + BaSO4 =>
Na2SO4 + BaCl2 = 2 NaCl + BaSO4
Ca + Cl = CaCl2 =>
Ca + 2 Cl = CaCl2
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
Zn(OH)2 + LiOH = [Zn[Li(OH)3]] =>
Zn(OH)2 + LiOH = [Zn[Li(OH)3]]
NaOH + CuSO4 = NaSO4 + CuOH =>
NaOH + CuSO4 = NaSO4 + CuOH
Zn(OH)2 + LiOH = [Li[Zn(OH)3]] =>
Zn(OH)2 + LiOH = [Li[Zn(OH)3]]
Fe(NO3)2 + K2CrO4 = Fe(CrO4) + KNO3 =>
Fe(NO3)2 + K2CrO4 = Fe(CrO4) + 2 KNO3
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