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Na2O + H2O = 2 NaOH
C + H2SO4 = CO2 + H2O + SO2 =>
C + 2 H2SO4 = CO2 + 2 H2O + 2 SO2
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
C2H6 + O2 = CO2 + H20 =>
10 C2H6 + 20 O2 = 20 CO2 + 3 H20
Cr2O3 + C = Cr + CO =>
Cr2O3 + 3 C = 2 Cr + 3 CO
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Cu + Br2 = CuBr2 =>
Cu + Br2 = CuBr2
NaOH + ZnCl2 = NaCl2 + ZnOH =>
NaOH + ZnCl2 = NaCl2 + ZnOH
C3H6 + Cl2 = C3H5Cl + HCl =>
C3H6 + Cl2 = C3H5Cl + HCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH3COONa + H2SO4 = CH3COOH + Na2SO4 =>
2 CH3COONa + H2SO4 = 2 CH3COOH + Na2SO4
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
KNO3 + HCI = KCI + HNO3 =>
KNO3 + HCI = KCI + HNO3
N2 + O2 = NO =>
N2 + O2 = 2 NO
As2O3 + H2O = As(OH)3 =>
As2O3 + 3 H2O = 2 As(OH)3
P4 + H2 = PH3 =>
P4 + 6 H2 = 4 PH3
MgO + NaOh = Mg(Oh)2 + Na2O =>
MgO + 2 NaOh = Mg(Oh)2 + Na2O
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
P + NaOH + H2O = PH3 + NaH2PO2 =>
4 P + 3 NaOH + 3 H2O = PH3 + 3 NaH2PO2
K2S + H2O + KBrO4 = S + KBr + KOH =>
4 K2S + 4 H2O + KBrO4 = 4 S + KBr + 8 KOH
P2O5 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
P2O5 + 3 Ca(OH)2 = Ca3(PO4)2 + 3 H2O
Cl2 + H2O = HClO + HCl =>
Cl2 + H2O = HClO + HCl
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Cr2O3 + C = Cr + CO =>
Cr2O3 + 3 C = 2 Cr + 3 CO
Ca(ClO)2 + HCl = CaCl2 + H2O + Cl2 =>
Ca(ClO)2 + 4 HCl = CaCl2 + 2 H2O + 2 Cl2
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
KBr + AgNO3 = KNO3 + AgBr =>
KBr + AgNO3 = KNO3 + AgBr
Ca(ClO)2 + HCl = CaCl2 + H2O + Cl2 =>
Ca(ClO)2 + 4 HCl = CaCl2 + 2 H2O + 2 Cl2
C6H6 + HNO3 = C6H5NO2 + H2O =>
C6H6 + HNO3 = C6H5NO2 + H2O
MnO2 + KNO3 + KOH = KMnO4 + KNO2 + H2O =>
2 MnO2 + 3 KNO3 + 2 KOH = 2 KMnO4 + 3 KNO2 + H2O
Mg + HCl = MgHCl =>
Mg + HCl = MgHCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Al(OH)3 + H2So4 = Al2(So4)3 + HOH =>
2 Al(OH)3 + 3 H2So4 = Al2(So4)3 + 6 HOH
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NO + KCLO + KOH = KNO3 + KCL + H2O =>
2 NO + 3 KCLO + 2 KOH = 2 KNO3 + 3 KCL + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
FeBr2 + Br = FeBr3 =>
FeBr2 + Br = FeBr3
HNO3 + Na2CO3 = CO2 + H2O + NaNO3 =>
2 HNO3 + Na2CO3 = CO2 + H2O + 2 NaNO3
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Mn(NO3)2 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 Mn(NO3)2 + 5 PbO2 + 6 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 2 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Fe + CuSO4(H2O) = FeSO4(H2O) + Cu =>
Fe + CuSO4(H2O) = FeSO4(H2O) + Cu
C2H5OH + NH3 = C2H5NH2 + H2O =>
C2H5OH + NH3 = C2H5NH2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
Al + Cl = AlCl =>
Al + Cl = AlCl
N2 + H3 = NH3 =>
N2 + 2 H3 = 2 NH3
S + NaOH = Na2S + Na2SO3 + H2O =>
3 S + 6 NaOH = 2 Na2S + Na2SO3 + 3 H2O
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