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3 Be{2+} + 2 Al = 3 Be + 2 Al{3+}
H{+} + Co + NO3{-} = Co{2+} + NH4{+} + H2O =>
10 H{+} + 4 Co + NO3{-} = 4 Co{2+} + NH4{+} + 3 H2O
CuCO3 = CuO + carbondioxide =>
CuCO3 = CuO + CO2
AgNO3 + H2O + HBr = AgBr + HNO3H2O =>
AgNO3 + H2O + HBr = AgBr + HNO3H2O
Ag2S + AlCl3 = AgCl + Al2S3 =>
3 Ag2S + 2 AlCl3 = 6 AgCl + Al2S3
K2Cr2O7 + H2SO4 + C2H60 + H2O = K2Cr2(SO4)4*24H2O + C2H4O =>
29 K2Cr2O7 + 116 H2SO4 + 3 C2H60 + 496 H2O = 29 K2Cr2(SO4)4*24H2O + 3 C2H4O
I4H4 = I2 + H2 =>
I4H4 = 2 I2 + 2 H2
C14H10O4 + H2O2 = C6H6OH + CO2 =>
18 C14H10O4 + 29 H2O2 = 34 C6H6OH + 48 CO2
P(s) + HNO3(aq) + H2O(l) = H4PO4(aq) + NO(g) =>
3 P(s) + 4 HNO3(aq) + 4 H2O(l) = 3 H4PO4(aq) + 4 NO(g)
FeS + HCl = H2S + Fe(Cl)2 =>
FeS + 2 HCl = H2S + Fe(Cl)2
CuSO4 + NaOH + C2H5OH = Cu2O + Na2SO4 + C6H12O7 + H2O =>
14 CuSO4 + 28 NaOH + 3 C2H5OH = 7 Cu2O + 14 Na2SO4 + C6H12O7 + 17 H2O
NO(g) + O2(g) + H2O(l) = HNO2(g) =>
4 NO(g) + O2(g) + 2 H2O(l) = 4 HNO2(g)
Ni2S3 + FeSO3 = Ni2(SO3)3 + FeS =>
Ni2S3 + 3 FeSO3 = Ni2(SO3)3 + 3 FeS
MgCl2 + K = MgCl + K2Cl =>
MgCl2 + 2 K = MgCl + K2Cl
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
CaCO3Fe(HCO3)2 = Ca(HCO3)2FeCO3 =>
CaCO3Fe(HCO3)2 = Ca(HCO3)2FeCO3
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
Fe(s) + CuCl2(s) = FeCl3(s) + Cu(s) =>
2 Fe(s) + 3 CuCl2(s) = 2 FeCl3(s) + 3 Cu(s)
N2 + O2 = N2O1 =>
2 N2 + O2 = 2 N2O1
Cu(s) + Ag(NO3)2 = Ag + Cu(NO3)2 =>
Cu(s) + Ag(NO3)2 = Ag + Cu(NO3)2
PbO2(s) + HCl(ac) = PbCl2(ac) + Cl2(g) + H2O(l) =>
PbO2(s) + 4 HCl(ac) = PbCl2(ac) + Cl2(g) + 2 H2O(l)
CuCl2 + Na2SO4 = CuSO4 + Na2Cl2 =>
CuCl2 + Na2SO4 = CuSO4 + Na2Cl2
PBr5(s) + H2O(l) = H3PO4(aq) + HBr(aq) =>
PBr5(s) + 4 H2O(l) = H3PO4(aq) + 5 HBr(aq)
Pb(No3)2 + Na2SO4 = Pb2(SO4)2 + NaNo3 =>
2 Pb(No3)2 + 2 Na2SO4 = Pb2(SO4)2 + 4 NaNo3
SrCl2 + Na2CrO4 = NaCl + SrCrO4 =>
SrCl2 + Na2CrO4 = 2 NaCl + SrCrO4
HSO4{-} = H{+} + SO4{-2} =>
HSO4{-} = H{+} + SO4{-2}
MnO2 + NaOH = Mn(OH)2 + Na3MnO4 + H2O =>
3 MnO2 + 6 NaOH = Mn(OH)2 + 2 Na3MnO4 + 2 H2O
Al(NO3)3(aq) + NH3(aq) = Al(OH)3(s) + N2O3 =>
Al(NO3)3(aq) + NH3(aq) = Al(OH)3(s) + 2 N2O3
CuSO4*5H2O + KI + Na2SO3 = CuI + K2SO4 + Na2SO4 + H2SO4 + H2O =>
2 CuSO4*5H2O + 2 KI + Na2SO3 = 2 CuI + K2SO4 + Na2SO4 + H2SO4 + 9 H2O
Cl2O7(g) + H2O(l) = HClO4(aq) =>
Cl2O7(g) + H2O(l) = 2 HClO4(aq)
Na3PO4 + CH3COOH = CH3COONa + H3PO4 =>
Na3PO4 + 3 CH3COOH = 3 CH3COONa + H3PO4
CH4N2O + NH4NO3 = CO2 + N2 + H2O =>
CH4N2O + 3 NH4NO3 = CO2 + 4 N2 + 8 H2O
Na2CO3 + CuSO4 + H2O = Cu(OH)2CuCO3 + CO2 + Na2SO4 =>
2 Na2CO3 + 2 CuSO4 + H2O = Cu(OH)2CuCO3 + CO2 + 2 Na2SO4
(NH4)2SO4 + Na2SiO3 = H2O + SiO2 + Na2SO4 + NH3 =>
(NH4)2SO4 + Na2SiO3 = H2O + SiO2 + Na2SO4 + 2 NH3
O2 + C2H5OH = H2O + CH3COOH =>
O2 + C2H5OH = H2O + CH3COOH
Na + N2O = NaO + N2 =>
Na + N2O = NaO + N2
H2 + SiO4 = H4SiO4 =>
2 H2 + SiO4 = H4SiO4
C4H8OH + HCl = C2H3OHCl + C2H6 =>
C4H8OH + HCl = C2H3OHCl + C2H6
MgCO3 + HCl = MgCl2 + H2O + CO2 =>
MgCO3 + 2 HCl = MgCl2 + H2O + CO2
HCl + Ba(OH)2 = BaCl2 + OH2 =>
2 HCl + Ba(OH)2 = BaCl2 + 2 OH2
LiO2 + NaOH = LiOH + Na2O2 + O2 =>
2 LiO2 + 2 NaOH = 2 LiOH + Na2O2 + O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H2O + (MnO4){-}1 + (ClO2){-}1 = MnO2 + (ClO4){-}1 + (OH){-}1 =>
2 H2O + 4(MnO4){-}1 + 3(ClO2){-}1 = 4 MnO2 + 3(ClO4){-}1 + 4(OH){-}1
KCrO4 + AgNO3 = AgCrO4 + KNO3 =>
KCrO4 + AgNO3 = AgCrO4 + KNO3
BaZnO2 + HCl = ZnCl2 + Ba(OH)2 =>
BaZnO2 + 2 HCl = ZnCl2 + Ba(OH)2
Zn(s) + Ag2SO4(aq) = Ag(s) + ZnSO4(aq) =>
Zn(s) + Ag2SO4(aq) = 2 Ag(s) + ZnSO4(aq)
NaHCO3 + CH3CO2H = NaC2H3O2 + H2O + CO2 =>
NaHCO3 + CH3CO2H = NaC2H3O2 + H2O + CO2
C(s) + SiO2(s) + Ca3(PO4)2(s) = CO(g) + CaSiO3(l) + P4(g) =>
10 C(s) + 6 SiO2(s) + 2 Ca3(PO4)2(s) = 10 CO(g) + 6 CaSiO3(l) + P4(g)
Zn + FeBr3 = Fe3 + ZnBr2 =>
9 Zn + 6 FeBr3 = 2 Fe3 + 9 ZnBr2
C6H5CH3 + CH3COCl = C9H10O + HCl =>
C6H5CH3 + CH3COCl = C9H10O + HCl
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