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2 Na + Be(OH)2 = Be + 2 Na(OH)
K2S + H2SiO3 = K2SiO3 + H2S =>
K2S + H2SiO3 = K2SiO3 + H2S
KCrO4 + H2SO4 + Na2SO3 = Na2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
2 KCrO4 + 4 H2SO4 + 4 Na2SO3 = 4 Na2SO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
HCHO2 + K2CO3 = H2CO3 + KCHO2 =>
2 HCHO2 + K2CO3 = H2CO3 + 2 KCHO2
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
Zn + HNO3 = Zn(NO3)2 + H2NO3 =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 H2NO3
D2 + C2 = DC3 =>
D2 + 3 C2 = 2 DC3
Al2O3 + NH3 = Al + N2 + H2O =>
Al2O3 + 2 NH3 = 2 Al + N2 + 3 H2O
CoCl3 + NaOH = NaCl3 + CoOH =>
CoCl3 + NaOH = NaCl3 + CoOH
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
MgCH2SO4 = CO2MgH2SO2 =>
MgCH2SO4 = CO2MgH2SO2
C6H5COOH + C6H5COONa = C6H5COONaC6H5COOH =>
C6H5COOH + C6H5COONa = C6H5COONaC6H5COOH
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
PH4ClO4 = P4O10 + HCl + H2O =>
4 PH4ClO4 = P4O10 + 4 HCl + 6 H2O
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
Na + Pb(OH)2 = NaOH + Pb =>
2 Na + Pb(OH)2 = 2 NaOH + Pb
Bh + O2 = BhO5 =>
2 Bh + 5 O2 = 2 BhO5
CaOBa(OH)2 = Ca(OH)2BaO =>
CaOBa(OH)2 = Ca(OH)2BaO
NH4 + Ca(OH)2 = Ca(NH3)2 + H2O =>
2 NH4 + Ca(OH)2 = Ca(NH3)2 + 2 H2O
KHCO3HCl = KClH2O(l)CO2 =>
KHCO3HCl = KClH2O(l)CO2
CuCl2 + Na2S = Na2Cu + Cl2S =>
CuCl2 + Na2S = Na2Cu + Cl2S
H2O + FeSO4 = Fe2O3 + SO4 + H3O =>
9 H2O + 2 FeSO4 = Fe2O3 + 2 SO4 + 6 H3O
NH4 + Ca(OH)2 = Ca(NH3)2 + H2O =>
2 NH4 + Ca(OH)2 = Ca(NH3)2 + 2 H2O
CH3CH2CH2CH2OH + H2SO4 + H3PO4 = CH3CH2CH2CH2HSO3 + H2O + HPO4 =>
CH3CH2CH2CH2OH + H2SO4 + H3PO4 = CH3CH2CH2CH2HSO3 + 2 H2O + HPO4
NH4 + Ca(OH)2 = Ca(NH3)2 + H2O =>
2 NH4 + Ca(OH)2 = Ca(NH3)2 + 2 H2O
C2H4 + HNO3 = C2H6 + NO3 =>
C2H4 + 2 HNO3 = C2H6 + 2 NO3
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
NH4 + Ca(OH)2 = Ca(NH3)2 + H2O =>
2 NH4 + Ca(OH)2 = Ca(NH3)2 + 2 H2O
F + H2O = FH2O =>
F + H2O = FH2O
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Fe + Pt2{+} = Fe3{+} + Pt =>
3 Fe + Pt2{+} = Fe3{+} + 2 Pt
KI(s) + Pb(NO3)2 = KNO3(s) + PbI2(s) =>
2 KI(s) + Pb(NO3)2 = 2 KNO3(s) + PbI2(s)
NaI + Cl2 = NaCl + I2 =>
2 NaI + Cl2 = 2 NaCl + I2
O2 + B2 = OB3 =>
O2 + 3 B2 = 2 OB3
C17H33COOH + H2 = H33COOH + H2C17 =>
C17H33COOH + H2 = H33COOH + H2C17
Ca3(PO4)2 + Mg(NO3)2 = Mg3(PO4)2 + Ca(NO3)2 =>
Ca3(PO4)2 + 3 Mg(NO3)2 = Mg3(PO4)2 + 3 Ca(NO3)2
Cu + HNO3 = NO2 + Cu(NO5)2 + H2O =>
Cu + 12 HNO3 = 10 NO2 + Cu(NO5)2 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaI + O2 = Na2O2 + I2 =>
2 NaI + O2 = Na2O2 + I2
SiF3 + NaF = SiF + NaF3 =>
SiF3 + NaF = SiF + NaF3
K2[Zn(CN)4] + Na2S = ZnS + K2S + NaCN =>
K2[Zn(CN)4] + 2 Na2S = ZnS + K2S + 4 NaCN
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HNO3 + SnC2O4 = Sn(NO3)4 + H2O + CO2 + N2O =>
10 HNO3 + 2 SnC2O4 = 2 Sn(NO3)4 + 5 H2O + 4 CO2 + N2O
Ca(OH)2 + NH4 = NH4OH + Ca =>
Ca(OH)2 + 2 NH4 = 2 NH4OH + Ca
NH4 + Ca(OH)2 = Ca(NH3)2 + H2O =>
2 NH4 + Ca(OH)2 = Ca(NH3)2 + 2 H2O
Ca(OH)2 + NH4 = Ca + NH3 + H2O =>
Ca(OH)2 + 2 NH4 = Ca + 2 NH3 + 2 H2O
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
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