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2 K + H2SO4 = K2SO4 + H2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
Na + H2(SO4) = Na2(SO4) + H2 =>
2 Na + H2(SO4) = Na2(SO4) + H2
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
CO3 + CaO = CaCO4 =>
CO3 + CaO = CaCO4
AgNO3 + HCl = HNO3 + AgCl =>
AgNO3 + HCl = HNO3 + AgCl
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
AlCl3 + NH4OH = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
C6H8O7 + HO{-} = C6H5O7{3-} + H2O =>
C6H8O7 + 3 HO{-} = C6H5O7{3-} + 3 H2O
CH2O + Cu(OH)2 = Cu2O + H2O + CO2 =>
CH2O + 4 Cu(OH)2 = 2 Cu2O + 5 H2O + CO2
FeO + H2O = Fe(OH)2 =>
FeO + H2O = Fe(OH)2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Cr2(SO4)3 + KOH = Cr(OH)3 + K2SO4 =>
Cr2(SO4)3 + 6 KOH = 2 Cr(OH)3 + 3 K2SO4
SbCl3 + H2S = Sb2S3 + HCl =>
2 SbCl3 + 3 H2S = Sb2S3 + 6 HCl
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
Si + Cl = Si3Cl =>
3 Si + Cl = Si3Cl
Cr2(SO4)3 + KOH = Cr(OH)3 + K2SO4 =>
Cr2(SO4)3 + 6 KOH = 2 Cr(OH)3 + 3 K2SO4
C2H4 + H2O = C2H5OH =>
C2H4 + H2O = C2H5OH
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
HNO3 + KI = NO + I2 + H2O + KNO3 =>
8 HNO3 + 6 KI = 2 NO + 3 I2 + 4 H2O + 6 KNO3
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
Fe + H2SO4 = FeSO4 + S + H2O =>
3 Fe + 4 H2SO4 = 3 FeSO4 + S + 4 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Fe2O3 + SO2 = FeS + O2 =>
2 Fe2O3 + 4 SO2 = 4 FeS + 7 O2
CUO + HCl = CUCl2 + H2O =>
CUO + 2 HCl = CUCl2 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
N2O(g) + O2(g) = N2O4(g) =>
2 N2O(g) + 3 O2(g) = 2 N2O4(g)
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
K2CrO4 + N2H6Cl2 + HCl = KCl + H2O + CrCl3 + N2 =>
4 K2CrO4 + 3 N2H6Cl2 + 14 HCl = 8 KCl + 16 H2O + 4 CrCl3 + 3 N2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Li + Br2 = LiBr =>
2 Li + Br2 = 2 LiBr
C + O2 = CO =>
2 C + O2 = 2 CO
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
Na(s) + Cl(g) = NaCl(s) =>
Na(s) + Cl(g) = NaCl(s)
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