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Zn(OH)2 = ZnO + H2O
CuSO4 + Fe = FeSO4 + Cu =>
CuSO4 + Fe = FeSO4 + Cu
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
PbO + SiO2 = PbSiO3 =>
PbO + SiO2 = PbSiO3
Na2 + H2 = NaH =>
Na2 + H2 = 2 NaH
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
Cuso4*5H2O = Cuso4 + H2O =>
Cuso4*5H2O = Cuso4 + 5 H2O
AGNO3 + NACL = NANO3 + AGCL =>
AGNO3 + NACL = NANO3 + AGCL
C + O = CO2 =>
C + 2 O = CO2
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al + H2O + NaOH = NaAlO2 + H2 =>
2 Al + 2 H2O + 2 NaOH = 2 NaAlO2 + 3 H2
Zn(s) + S(s) = ZnS(s) =>
Zn(s) + S(s) = ZnS(s)
C6 + O2 = CO2 =>
C6 + 6 O2 = 6 CO2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
S + O2 = SO2 =>
S + O2 = SO2
CH4 + O2 = CH3OH =>
2 CH4 + O2 = 2 CH3OH
PBO2 + CO = PB + CO2 =>
PBO2 + 2 CO = PB + 2 CO2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Ca(g) + O2(g) = CaO(s) =>
2 Ca(g) + O2(g) = 2 CaO(s)
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CaS + HNO3 = Ca(NO3)2 + H2S =>
CaS + 2 HNO3 = Ca(NO3)2 + H2S
Ca + O = CaO =>
Ca + O = CaO
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Ca + O = CaO =>
Ca + O = CaO
Na2B4O7 + Na = B + Na2O =>
Na2B4O7 + 12 Na = 4 B + 7 Na2O
Cu2S + O2 + CaCO3 = CuO + CaSO3 + CO2 =>
Cu2S + 2 O2 + CaCO3 = 2 CuO + CaSO3 + CO2
CaO(c) + P2O5(c) = Ca3(PO4)2 =>
3 CaO(c) + P2O5(c) = Ca3(PO4)2
NaCl + H2So4 = Na2So4 + HCl =>
2 NaCl + H2So4 = Na2So4 + 2 HCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2CO3 + H3PO4 = Na2HPO4 + CO2 + H2O =>
Na2CO3 + H3PO4 = Na2HPO4 + CO2 + H2O
MgSO4 + Na2B4O7 = MgB4O7 + Na2SO4 =>
MgSO4 + Na2B4O7 = MgB4O7 + Na2SO4
NiCl2 = Ni + Cl =>
NiCl2 = Ni + 2 Cl
HClO4 + Al(OH)3 = Al(ClO4)3 + H2O =>
3 HClO4 + Al(OH)3 = Al(ClO4)3 + 3 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
V{3+} + H2O2 = VO{2+} + H{+} =>
2 V{3+} + H2O2 = 2 VO{2+} + 2 H{+}
MgSO4 + NH4OH + NH4Cl + Na2HPO4 = MgNH4PO4 + NaCl + (NH4)2SO4 + H2O =>
MgSO4 + NH4OH + 2 NH4Cl + Na2HPO4 = MgNH4PO4 + 2 NaCl + (NH4)2SO4 + H2O
C4H10O + KMnO4 = C4H8O + KMnO4H2 =>
C4H10O + KMnO4 = C4H8O + KMnO4H2
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
C2H4 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C2H4 + 2 K2Cr2O7 + 8 H2SO4 = 2 CO2 + 2 Cr2(SO4)3 + 2 K2SO4 + 10 H2O
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HNO3 + Mg = H2 + Mg(NO3)2 =>
2 HNO3 + Mg = H2 + Mg(NO3)2
Fe(s) + O6 = Fe2O3(s) =>
4 Fe(s) + O6 = 2 Fe2O3(s)
NaCl + K = KCl + Na =>
NaCl + K = KCl + Na
Na(s) + O = Na2O(s) =>
2 Na(s) + O = Na2O(s)
SO2 + H2O + Br2 = H{+} + SO4{2-} + Br{-} =>
SO2 + 2 H2O + Br2 = 4 H{+} + SO4{2-} + 2 Br{-}
KMnO4 + HBr = MnBr2 + KBr + Br2 + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 5 Br2 + 8 H2O
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