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4 Na + O2 = 2 Na2O
SiO2 + HCl = H2O + SiCl4 =>
SiO2 + 4 HCl = 2 H2O + SiCl4
CH3MgBr + CH3CHO = (CH3)2CHOMgBr =>
CH3MgBr + CH3CHO = (CH3)2CHOMgBr
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
PbPd(NO3)2 = Pb(NO3)2Pd =>
PbPd(NO3)2 = Pb(NO3)2Pd
K2ZnO2 + H3O = Zn + K + H2O =>
K2ZnO2 + 4 H3O = Zn + 2 K + 6 H2O
Li3N + NH4N03 = LiN03 + (NH4)2N =>
5 Li3N + 16 NH4N03 = 15 LiN03 + 8(NH4)2N
Mg + AlCl3 + H2O = MgCl3 + Al(OH)3 + H2 =>
2 Mg + 2 AlCl3 + 6 H2O = 2 MgCl3 + 2 Al(OH)3 + 3 H2
S + O2 = SO2 =>
S + O2 = SO2
HNO3 + KNO3 = NO3 + KNO3H =>
HNO3 + KNO3 = NO3 + KNO3H
Na3AsO3 + Zn + HCl = AsH3 + NaCl + ZnCl2 + H2O =>
Na3AsO3 + 3 Zn + 9 HCl = AsH3 + 3 NaCl + 3 ZnCl2 + 3 H2O
NO + H3PO4 = HNO3 + P + H2O =>
5 NO + 3 H3PO4 = 5 HNO3 + 3 P + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
K2S + CaCl2 = CaS + K2Cl2 =>
K2S + CaCl2 = CaS + K2Cl2
HClO + CaCl = CaClO + HCl =>
HClO + CaCl = CaClO + HCl
NH3 + HBrO = N2 + HBr + H2O =>
2 NH3 + 3 HBrO = N2 + 3 HBr + 3 H2O
BiCl3 + H2O = BiOCl + HCl =>
BiCl3 + H2O = BiOCl + 2 HCl
CH3MgBr + CH3CHO = (CH3)2CHOMgBr =>
CH3MgBr + CH3CHO = (CH3)2CHOMgBr
Ba(NO3)2 + C6H8O7 = BaO + H2O + CO2 + N2 =>
9 Ba(NO3)2 + 5 C6H8O7 = 9 BaO + 20 H2O + 30 CO2 + 9 N2
Zn3N2 + H2O = Zn(OH)2 + NH3 =>
Zn3N2 + 6 H2O = 3 Zn(OH)2 + 2 NH3
HClNaCl = HCl2Na =>
HClNaCl = HCl2Na
SO2Ba(OH)2 = BaSO3H2O =>
SO2Ba(OH)2 = BaSO3H2O
KI + Br = KBr + I =>
KI + Br = KBr + I
U(SO4)2 + O2 + H2O = UO2SO4 + H2SO4 =>
2 U(SO4)2 + O2 + 2 H2O = 2 UO2SO4 + 2 H2SO4
CH3NO2 + N2O = CO2 + H2O + N2 =>
2 CH3NO2 + 3 N2O = 2 CO2 + 3 H2O + 4 N2
K2CrO7 + HCl = Cr + H2O + Cl2 + K2 =>
K2CrO7 + 14 HCl = Cr + 7 H2O + 7 Cl2 + K2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg(s) + HNO3(aq) = Mg(NO3)2(aq) + H2(g) =>
Mg(s) + 2 HNO3(aq) = Mg(NO3)2(aq) + H2(g)
Ca + H2O = CaOH2 =>
Ca + H2O = CaOH2
Ca(BO3)2 + KOH = Ca(OH)2 + KBO3 =>
Ca(BO3)2 + 2 KOH = Ca(OH)2 + 2 KBO3
SrCl2 + Na2S = SrS + NaCl =>
SrCl2 + Na2S = SrS + 2 NaCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
SrCl2 + Na2S = SrS + NaCl =>
SrCl2 + Na2S = SrS + 2 NaCl
Sr + H2O = Sr(OH)2 + H2 =>
Sr + 2 H2O = Sr(OH)2 + H2
Na2(Sn(OH)4) + NaOH + Na2CrO4 + H2O = Na2(Sn(OH)6) + Na3[Cr(OH)6] =>
3 Na2(Sn(OH)4) + 2 NaOH + 2 Na2CrO4 + 8 H2O = 3 Na2(Sn(OH)6) + 2 Na3[Cr(OH)6]
Ca(HCO3)2(s) = CaCO3(s)CO2(g)H2O(g) =>
Ca(HCO3)2(s) = CaCO3(s)CO2(g)H2O(g)
MnSO4 + (NH4)2S = (NH4)2SO4 + MnS =>
MnSO4 + (NH4)2S = (NH4)2SO4 + MnS
Ni(NO3)2 + K2S = KNO3 + NiS =>
Ni(NO3)2 + K2S = 2 KNO3 + NiS
NaHCO3 + H2SO4 = CO2 + H2O + Na2SO4 =>
2 NaHCO3 + H2SO4 = 2 CO2 + 2 H2O + Na2SO4
PbS + FeO = PbO + FeS =>
PbS + FeO = PbO + FeS
Mn + HCl = MnCl2 + H2 =>
Mn + 2 HCl = MnCl2 + H2
CuSO4BaS = BaSO4CuS =>
CuSO4BaS = BaSO4CuS
MgNO32KOH = MgOHKNO32 =>
MgNO32KOH = MgOHKNO32
Al(OH)4 + H2SO4 = AlOH3 + SO4 + H2O =>
2 Al(OH)4 + 5 H2SO4 = 2 AlOH3 + 5 SO4 + 6 H2O
LiBr + CaO = Li2O + CaBr2 =>
2 LiBr + CaO = Li2O + CaBr2
Fe + I2 = Fe3I8 =>
3 Fe + 4 I2 = Fe3I8
SiO2 + K(OH)2 = KSiO3 + H2O =>
SiO2 + K(OH)2 = KSiO3 + H2O
HClO + NH3 = NCl3 + H2O =>
3 HClO + NH3 = NCl3 + 3 H2O
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