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2 Fe{2+} + CuSO4 = 2 Fe{3+} + (SO4){2-} + Cu
Ca(OH)2 + NiSO4 = CaSO4 + Ni(OH)2 =>
Ca(OH)2 + NiSO4 = CaSO4 + Ni(OH)2
CH4 + Br2 = CBr4 + HBr2 =>
CH4 + 6 Br2 = CBr4 + 4 HBr2
Zn(OH)2Cl = Zn(OH)2 + Cl2 =>
2 Zn(OH)2Cl = 2 Zn(OH)2 + Cl2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
KMnO4 + NaCH3COO = NaMnO4 + KCH3COO =>
KMnO4 + NaCH3COO = NaMnO4 + KCH3COO
C2H4O2 + NiCO3 = C4H6NiO4 + CO2 + H2O =>
2 C2H4O2 + NiCO3 = C4H6NiO4 + CO2 + H2O
NiSO4 + Na2CO3 = NiCO3 + Na2SO4 =>
NiSO4 + Na2CO3 = NiCO3 + Na2SO4
Cr2O7{-2} + SnCl3{-} + H3O{+} + Cl{-} = SnCl6{2-} + Cr{+3} + H2O =>
Cr2O7{-2} + 3 SnCl3{-} + 14 H3O{+} + 9 Cl{-} = 3 SnCl6{2-} + 2 Cr{+3} + 21 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Zn + Sn2Cl = ZnCl2 + Sn =>
Zn + 2 Sn2Cl = ZnCl2 + 4 Sn
CuSO4 + Li2S = CuS + Li2SO4 =>
CuSO4 + Li2S = CuS + Li2SO4
H2SO4 + Ca(OH)2 = CaSO4 + H2O(l) =>
H2SO4 + Ca(OH)2 = CaSO4 + 2 H2O(l)
HI + NaNO3 = HNO3 + INa =>
HI + NaNO3 = HNO3 + INa
BaCO3 + H2SO4 = BaSO4 + H2O + CO2 =>
BaCO3 + H2SO4 = BaSO4 + H2O + CO2
NaOH(s) + H2SO4(Ac) = Na2SO4(Ac) + H2O(l) =>
2 NaOH(s) + H2SO4(Ac) = Na2SO4(Ac) + 2 H2O(l)
C2H5HH + O2 = CO2 + H2O =>
4 C2H5HH + 15 O2 = 8 CO2 + 14 H2O
HNO3 + Sr(OH)2 = SrOHNO3 + H2O =>
HNO3 + Sr(OH)2 = SrOHNO3 + H2O
Fe(s) + H2SO4(aq) = H2(g) + Fe2SO4(aq) =>
2 Fe(s) + H2SO4(aq) = H2(g) + Fe2SO4(aq)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KI + AgNO3 = AgI + KNO3 =>
KI + AgNO3 = AgI + KNO3
Fe{+2} + H2O = FeOOH + H2 + H{+} =>
2 Fe{+2} + 4 H2O = 2 FeOOH + H2 + 4 H{+}
NH4SCN(aq) + FeCl3(aq) = NH3 + HCl + Fe(SCN)3 =>
3 NH4SCN(aq) + FeCl3(aq) = 3 NH3 + 3 HCl + Fe(SCN)3
Fe(NO3)3 + (NH4)2CO3 = Fe2(CO3)3 + NH4NO3 =>
2 Fe(NO3)3 + 3(NH4)2CO3 = Fe2(CO3)3 + 6 NH4NO3
Y2O3 + BaCO3 + CuO + Co + O2 = Y100Ba200Cu290Co10O700 + CO2 =>
50 Y2O3 + 200 BaCO3 + 290 CuO + 10 Co + 30 O2 = Y100Ba200Cu290Co10O700 + 200 CO2
Cg + H2O = CgO + H2 =>
Cg + H2O = CgO + H2
(NO3) + H3COH = CO2 + N2 + H2O =>
2(NO3) + 2 H3COH = 2 CO2 + N2 + 4 H2O
S + As = As2S3 =>
3 S + 2 As = As2S3
Na2Cr2O7 + NaCl + H2O = Na2CrO4 + HCl =>
Na2Cr2O7 + 2 NaCl + H2O = 2 Na2CrO4 + 2 HCl
Al + HOH = Al2O3 + H2 =>
2 Al + 3 HOH = Al2O3 + 3 H2
KMnO4 + H{+} + {-} = KMn + H2O =>
KMnO4 + 8 H{+} + 8e = KMn + 4 H2O
C106N16P1H263O80 + HNO3 = H3PO4 + N2 + H2O + CO2 =>
5 C106N16P1H263O80 + 532 HNO3 = 5 H3PO4 + 306 N2 + 916 H2O + 530 CO2
Pb(NO3)2 + KSO4 = Pb(SO4)2 + KNO3 =>
Pb(NO3)2 + 2 KSO4 = Pb(SO4)2 + 2 KNO3
CdBr + Mn = MnBr + Cd =>
CdBr + Mn = MnBr + Cd
CuBr2 + H2SO4 = CuSO4 + HBr =>
CuBr2 + H2SO4 = CuSO4 + 2 HBr
ZnBr2 + H2CO3 = HBr + ZnCO3 =>
ZnBr2 + H2CO3 = 2 HBr + ZnCO3
ThCr2Si2 + Th3Si2 = Th6Cr + CrSi4 =>
6 ThCr2Si2 + 8 Th3Si2 = 5 Th6Cr + 7 CrSi4
Cr(NO3) + H2O = Cr(OH) + HNO3 =>
Cr(NO3) + H2O = Cr(OH) + HNO3
KI + Cu(SO4) = K(SO4) + ICu =>
KI + Cu(SO4) = K(SO4) + ICu
CaCl2 + H2O = Ca(OH)2 + HCl =>
CaCl2 + 2 H2O = Ca(OH)2 + 2 HCl
KCl + FeCl3 = K + FeCl4 =>
KCl + FeCl3 = K + FeCl4
Na2CO3 + NaHCO3 = Na2(CO3)2 + NaH =>
Na2CO3 + NaHCO3 = Na2(CO3)2 + NaH
C4H9OH + CH3COOH + HOC6H4COOH = C6H12O2 =>
8 C4H9OH + CH3COOH + 2 HOC6H4COOH = 8 C6H12O2
KClO3 + S + KOH = KCl + K2SO3 + H2O =>
2 KClO3 + 3 S + 6 KOH = 2 KCl + 3 K2SO3 + 3 H2O
CaOH2 + H2CO3 = CaCO3 + H2OH2 =>
CaOH2 + H2CO3 = CaCO3 + H2OH2
H2CO3 + Sr(OH)2 = H2O + Sr2(CO3)2 =>
2 H2CO3 + 2 Sr(OH)2 = 4 H2O + Sr2(CO3)2
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
KBrO3 + SO2 + H2O = Br2 + K2SO4 + H2SO4 =>
2 KBrO3 + 5 SO2 + 4 H2O = Br2 + K2SO4 + 4 H2SO4
KI + CI2 = KCI + I2 =>
KI + CI2 = KCI + I2
CrI3 + K(OH) + Cl2 = K2(CrO4) + KCl + K(IO4) + H2O =>
2 CrI3 + 64 K(OH) + 27 Cl2 = 2 K2(CrO4) + 54 KCl + 6 K(IO4) + 32 H2O
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