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CaCO3 + 2 HCl = CaCl2CO2 + H2O
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
CO(s) + Br2(l) = COBr3(s) =>
2 CO(s) + 3 Br2(l) = 2 COBr3(s)
Fe(SCN)6 + NaF = FeF6 + Na(SCN) =>
Fe(SCN)6 + 6 NaF = FeF6 + 6 Na(SCN)
H2S + H2SO4 = H2O + SO2 =>
H2S + 3 H2SO4 = 4 H2O + 4 SO2
Mn2O3 + Hg + CN{-} + H2O = Mn(CN)6{4-} + Hg(CN)2 + OH{-} =>
Mn2O3 + Hg + 14 CN{-} + 3 H2O = 2 Mn(CN)6{4-} + Hg(CN)2 + 6 OH{-}
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
KMnO4 + AlBr3 + H3PO4 = Mn3(PO4)2 + AlPO4 + K3PO4 + Br2 + H2O =>
6 KMnO4 + 10 AlBr3 + 16 H3PO4 = 2 Mn3(PO4)2 + 10 AlPO4 + 2 K3PO4 + 15 Br2 + 24 H2O
Cu{2+} + CO3{2-} + H2O = Cu(OH)4{2-} + H2CO3 =>
Cu{2+} + 2 CO3{2-} + 4 H2O = Cu(OH)4{2-} + 2 H2CO3
Sn{4+} + Fe = Sn{2+} + Fe{2+} =>
Sn{4+} + Fe = Sn{2+} + Fe{2+}
CH3COOH + NH4OH = CH3COONH4 + HOH =>
CH3COOH + NH4OH = CH3COONH4 + HOH
Zn + H2SO4 + O2 = ZnSO4 + H2O =>
2 Zn + 2 H2SO4 + O2 = 2 ZnSO4 + 2 H2O
NaIO3 + SO2 + H2O = Na2SO4 + H2SO4 + I2 =>
2 NaIO3 + 5 SO2 + 4 H2O = Na2SO4 + 4 H2SO4 + I2
Pb(NO)3 + Na2SO4 = PbSO4 + Na2(NO)3 =>
Pb(NO)3 + Na2SO4 = PbSO4 + Na2(NO)3
CH3COOH + Ca(OH)2 = Ca(C2H3O2)2 + H2O =>
2 CH3COOH + Ca(OH)2 = Ca(C2H3O2)2 + 2 H2O
CaOCl2 + Na2CO3 = CaCO3 + CaCl2 + NaClO =>
2 CaOCl2 + Na2CO3 = CaCO3 + CaCl2 + 2 NaClO
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CrO4{2-} + HSO3{-} + H{+} = Cr{3+} + SO4{2-} + H2O =>
2 CrO4{2-} + 3 HSO3{-} + 7 H{+} = 2 Cr{3+} + 3 SO4{2-} + 5 H2O
C7H8 + H2O2 = C7H6O + H2O =>
C7H8 + 2 H2O2 = C7H6O + 3 H2O
K2CrO4 + ZnCl2 = KCl + ZnCrO4 =>
K2CrO4 + ZnCl2 = 2 KCl + ZnCrO4
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
HCl + S = H2S + Cl2 =>
2 HCl + S = H2S + Cl2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Mg(s) + HCl(ag) = MgCl2(ag) + H2(g) =>
Mg(s) + 2 HCl(ag) = MgCl2(ag) + H2(g)
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
HCO3{-} + H2O = CO3{2-} + H3O{+} =>
HCO3{-} + H2O = CO3{2-} + H3O{+}
Fe2(SO4)3 + NaCN = Na2SO4 + Fe(CN)3 =>
Fe2(SO4)3 + 6 NaCN = 3 Na2SO4 + 2 Fe(CN)3
H{+} + Fe(OH)3 + C7H16 = CO2 + Fe{2+} + H2O =>
88 H{+} + 44 Fe(OH)3 + C7H16 = 7 CO2 + 44 Fe{2+} + 118 H2O
Na2O2 + H2SO4 = Na2SO4 + H2O2 =>
Na2O2 + H2SO4 = Na2SO4 + H2O2
NH5O + HClO2 = H2O + NCl =>
NH5O + HClO2 = 3 H2O + NCl
Pb + Cu(NO3)4 = Cu + Pb(NO3)2 =>
2 Pb + Cu(NO3)4 = Cu + 2 Pb(NO3)2
MgBr2 + NaI = NaBr + MgI2 =>
MgBr2 + 2 NaI = 2 NaBr + MgI2
Zn + K3[Fe(CN)6] + H2SO4 = Zn2[Fe(CN)6] + H2 + K2SO4 =>
4 Zn + 2 K3[Fe(CN)6] + 3 H2SO4 = 2 Zn2[Fe(CN)6] + 3 H2 + 3 K2SO4
Ca + HNO3 = Ca(NO3)2 + H2 =>
Ca + 2 HNO3 = Ca(NO3)2 + H2
Ca[Cr(OH)4]2 + Ca(OH)2 = Ca3[Cr(OH)6]2 =>
Ca[Cr(OH)4]2 + 2 Ca(OH)2 = Ca3[Cr(OH)6]2
HCI + NaOH = H2O + NaCI =>
HCI + NaOH = H2O + NaCI
CrCl3 + Na2S = CrNa2 + Cl3S =>
CrCl3 + Na2S = CrNa2 + Cl3S
Al + HF = AlF3 + H2 =>
2 Al + 6 HF = 2 AlF3 + 3 H2
C10H8 + KNO3 = K + CO2 + N2 + H2O =>
C10H8 + 8 KNO3 = 8 K + 10 CO2 + 4 N2 + 4 H2O
Na2SO4 + PbO = PbSO4 + Na2O =>
Na2SO4 + PbO = PbSO4 + Na2O
FeS + O = Fe2(O)3 + SO2 =>
2 FeS + 7 O = Fe2(O)3 + 2 SO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KJO3 + KJ + H2SO4 = J2 + H2O + K2SO4 =>
KJO3 + 5 KJ + 3 H2SO4 = 3 J2 + 3 H2O + 3 K2SO4
H2S + H2SO4 = SO2 + H2O =>
H2S + 3 H2SO4 = 4 SO2 + 4 H2O
Ha + O2 = Ha2O2 =>
2 Ha + O2 = Ha2O2
NaNo3 + CaCl2 = NaCl2 + CaNo3 =>
NaNo3 + CaCl2 = NaCl2 + CaNo3
AlCl3 + LiOH = AlLi + OHCl3 =>
AlCl3 + LiOH = AlLi + OHCl3
C6H5COOH + NaOH = C6H6 + Na2CO3 + H2 =>
6 C6H5COOH + 24 NaOH = 5 C6H6 + 12 Na2CO3 + 15 H2
NH3 + Cl2 = N2 + HCl2 =>
2 NH3 + 6 Cl2 = N2 + 6 HCl2
Ba2 + Si = Ba2Si =>
Ba2 + Si = Ba2Si
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