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CoSO4 + 2 HCl = CoCl2 + H2SO4
Cl2 + NaBr = Br2 + NaCl =>
Cl2 + 2 NaBr = Br2 + 2 NaCl
Fe + N2 = FeN =>
2 Fe + N2 = 2 FeN
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaH2PO4 + KOH = NaK2PO4 + H2O =>
NaH2PO4 + 2 KOH = NaK2PO4 + 2 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
CuI2 + Cl2 = CuCl2 + I2 =>
CuI2 + Cl2 = CuCl2 + I2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Ca(H2PO4)2 + AgNO3 = Ca(NO3)2 + Ag3PO4 + H3PO4 =>
3 Ca(H2PO4)2 + 6 AgNO3 = 3 Ca(NO3)2 + 2 Ag3PO4 + 4 H3PO4
HCN + NaOH = NaCN + H2O =>
HCN + NaOH = NaCN + H2O
KOCl + HI = KI + HClO =>
KOCl + HI = KI + HClO
S1 + O2 = SO2 =>
S1 + O2 = SO2
KNO2 + Na2Cr2O7 + HCl = CrCl3 + KNO3 + H2O + NaCl =>
3 KNO2 + Na2Cr2O7 + 8 HCl = 2 CrCl3 + 3 KNO3 + 4 H2O + 2 NaCl
K{2}0 = K + {2} =>
K{2}0 = K + {2}
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Zn(NO3)2 + NaOH = Zn(OH)2 + Na(NO3) =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 Na(NO3)
CuCl2 + MgO = CuO + MgCl2 =>
CuCl2 + MgO = CuO + MgCl2
Zn(NO3)2 + NaOH = Zn(OH)2 + Na(NO3) =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 Na(NO3)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Mg(s) + FeSO4(aq) = Fe(s) + MgSO4(aq) =>
Mg(s) + FeSO4(aq) = Fe(s) + MgSO4(aq)
BaCl2 + KNO3 = Ba(NO3)2 + KCl =>
BaCl2 + 2 KNO3 = Ba(NO3)2 + 2 KCl
ZnO + HBr = ZnBr2 + H2O =>
ZnO + 2 HBr = ZnBr2 + H2O
Na2Cr2O7 + H2C2O4 + H2SO4 = Na2SO4 + Cr2(SO4)3 + CO2 + H2O =>
Na2Cr2O7 + 3 H2C2O4 + 4 H2SO4 = Na2SO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
H2SO4 + HO{-} = SO4{-2} + H2O =>
H2SO4 + 2 HO{-} = SO4{-2} + 2 H2O
NaHCO3 = CO2 + NaHO =>
NaHCO3 = CO2 + NaHO
Mn{2} + BiO3{-} + H3O{+} = MnO4{-} + Bi{3} + H2O =>
2 Mn{2} + 5 BiO3{-} + 14 H3O{+} = 2 MnO4{-} + 5 Bi{3} + 21 H2O
(b)AgNO3 + CaCl2 = Ca(NO3)2 + AgCl =>
2(b)AgNO3 + CaCl2 = Ca(NO3)2 + 2 AgCl
HCl + Sr(OH)2 = H2O + Cl2Sr =>
2 HCl + Sr(OH)2 = 2 H2O + Cl2Sr
K2Cr2O7 + FeSO4*7H2O + H2SO4 = K2SO4 + Cr2SO4 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 10 FeSO4*7H2O + 7 H2SO4 = K2SO4 + Cr2SO4 + 5 Fe2(SO4)3 + 77 H2O
H{-} + I2 + H2SO4 = I{-} + H2S + H2O =>
8 H{-} + 4 I2 + H2SO4 = 8 I{-} + H2S + 4 H2O
SCN{-} + Br2 + H2O = SO4{-} + CN{-} + Br{-} + H3O{+} =>
2 SCN{-} + 7 Br2 + 24 H2O = 2 SO4{-} + 2 CN{-} + 14 Br{-} + 16 H3O{+}
C2H5OH + K2FeO4 = Fe2O3 + CH3COH + KOH + H2O =>
3 C2H5OH + 2 K2FeO4 = Fe2O3 + 3 CH3COH + 4 KOH + H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
SmCl2 + KMnO4 + H2SO4 = Sm2S3O12 + SmCl3 + KCl + MnCl2 + H2O =>
15 SmCl2 + 3 KMnO4 + 12 H2SO4 = 4 Sm2S3O12 + 7 SmCl3 + 3 KCl + 3 MnCl2 + 12 H2O
VO{+2} + MnO4{-} + H2O = VO2{+} + Mn{2+} + H{+} =>
5 VO{+2} + MnO4{-} + H2O = 5 VO2{+} + Mn{2+} + 2 H{+}
H2 + K2O = H2K2O =>
H2 + K2O = H2K2O
CuI + Ba(OH)2 = CuOH + BaI2 =>
2 CuI + Ba(OH)2 = 2 CuOH + BaI2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Hg + I2 = Hg2I2 =>
2 Hg + I2 = Hg2I2
HCl + KMnO4 + H3AsO3 = H3AsO4 + MnClO2 + KCl + H2O =>
2 HCl + KMnO4 + H3AsO3 = H3AsO4 + MnClO2 + KCl + H2O
NO = N2 + O2 =>
2 NO = N2 + O2
Ba(OH)2*8H2O + CO2 = BaCO3 + H2O =>
Ba(OH)2*8H2O + CO2 = BaCO3 + 9 H2O
HS{-} + HSO4{-} = S2O3{2-} + H2O =>
HS{-} + HSO4{-} = S2O3{2-} + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cu2O + HOH = Cu(OH) =>
Cu2O + HOH = 2 Cu(OH)
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