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2 HCl + H2SeO4 = H2SeO3 + 2 Cl + H2O
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
CH2CH2 + H2O = CH3CH2OH =>
CH2CH2 + H2O = CH3CH2OH
Mg + H2SO4 = MgH2 + SO4 =>
Mg + H2SO4 = MgH2 + SO4
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
C + O = CO2 =>
C + 2 O = CO2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
HCl + Mg = MgCl2 + H2 =>
2 HCl + Mg = MgCl2 + H2
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ca(HCO3)2 + Ca(OH)2 = CaCO3 + H2O =>
Ca(HCO3)2 + Ca(OH)2 = 2 CaCO3 + 2 H2O
H2SO4 + NaCl + MnO2 = H2O + NaHSO4 + MnSO4 + Cl2 =>
3 H2SO4 + 2 NaCl + MnO2 = 2 H2O + 2 NaHSO4 + MnSO4 + Cl2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CH4 + NCl2 = CCl + N2 + H2 =>
4 CH4 + 2 NCl2 = 4 CCl + N2 + 8 H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaCl + NH3 + CO2 + H2O = NaHCO3 + NH4Cl =>
NaCl + NH3 + CO2 + H2O = NaHCO3 + NH4Cl
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
BCl3 + P4 + H2 = BP + HCl =>
4 BCl3 + P4 + 6 H2 = 4 BP + 12 HCl
Al(OH)3 + HNO3 = Al(NO3)3 + H2O =>
Al(OH)3 + 3 HNO3 = Al(NO3)3 + 3 H2O
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
P4O10(s) + HNO3(aq) = N2O5(g) + HPO3(l) =>
P4O10(s) + 4 HNO3(aq) = 2 N2O5(g) + 4 HPO3(l)
H2 + O = H2O =>
H2 + O = H2O
Fe(NO3)3 + NAOH = Fe(OH)3 + NANO3 =>
Fe(NO3)3 + 3 NAOH = Fe(OH)3 + 3 NANO3
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
CH4 + NCl2 = CCl4 + N2 + H2 =>
CH4 + 2 NCl2 = CCl4 + N2 + 2 H2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Ag + Br2 = AgBr =>
2 Ag + Br2 = 2 AgBr
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
H2SO4 + Al = Al2(SO4)3 + H2 =>
3 H2SO4 + 2 Al = Al2(SO4)3 + 3 H2
Al3 + HCl = AlCl3 + H2 =>
2 Al3 + 18 HCl = 6 AlCl3 + 9 H2
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
CuSO4 + NH4OH = Cu(OH)2 + (NH4)2SO4 =>
CuSO4 + 2 NH4OH = Cu(OH)2 + (NH4)2SO4
Al + HNO3 = Al(NO3)3 + N2O + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 N2O + 15 H2O
Na + B2O3 = Na2O + B =>
6 Na + B2O3 = 3 Na2O + 2 B
Cu(NO3)2 = CuO + O2 + NO2 =>
2 Cu(NO3)2 = 2 CuO + O2 + 4 NO2
HCl + Fe = FeCl3 + H2 =>
6 HCl + 2 Fe = 2 FeCl3 + 3 H2
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Mg3(PO4)2 + H2 = Mg + H3PO4 =>
Mg3(PO4)2 + 3 H2 = 3 Mg + 2 H3PO4
C + HNO3 = CO2 + H20 + NO2 =>
10 C + 20 HNO3 = 10 CO2 + H20 + 20 NO2
NH4 + Zn = Zn(NH3)4 + H =>
4 NH4 + Zn = Zn(NH3)4 + 4 H
K + KNO = K2O + N2 =>
2 K + 2 KNO = 2 K2O + N2
NH4 + Zn = Zn(NH3)6 + H =>
6 NH4 + Zn = Zn(NH3)6 + 6 H
S + HNO3 = H2SO4 + H2O + NO2 =>
S + 6 HNO3 = H2SO4 + 2 H2O + 6 NO2
CaCl2 + KOH = KCl + Ca(OH)2 =>
CaCl2 + 2 KOH = 2 KCl + Ca(OH)2
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