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[Cu(NH3)4](OH)2 + 3 Na2S + 4 H2O = CuS + 2(NH4)2S + 6 NaOH
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
NHO2 = NHO3 + NO + H2O =>
3 NHO2 = NHO3 + 2 NO + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Br2 + NH3 = N2 + NH4Br =>
3 Br2 + 8 NH3 = N2 + 6 NH4Br
CuS + HNO3 = CuSO4 + NO2 + H2O =>
CuS + 8 HNO3 = CuSO4 + 8 NO2 + 4 H2O
K + H2SO4 = K2SO4 + H =>
2 K + H2SO4 = K2SO4 + 2 H
RbOH + HCH3CO2 = RbCH3CO2 + H2O =>
RbOH + HCH3CO2 = RbCH3CO2 + H2O
Cu2 = Cu3 =>
3 Cu2 = 2 Cu3
Al(cr) + CuSO4(aq) = Al2(SO4)3(aq) + Cu(cr) =>
2 Al(cr) + 3 CuSO4(aq) = Al2(SO4)3(aq) + 3 Cu(cr)
Cr2O3 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
Cr2O3 + 3 Br2 + 10 NaOH = 2 Na2CrO4 + 6 NaBr + 5 H2O
C2O4{-2} + HNO2 + H{+} = CO2 + NO + H2O =>
C2O4{-2} + 2 HNO2 + 2 H{+} = 2 CO2 + 2 NO + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaSiO3(s) + HF(aq) = SiF4(s) + CaF2(s) + H2O(l) =>
CaSiO3(s) + 6 HF(aq) = SiF4(s) + CaF2(s) + 3 H2O(l)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
SiCl = Cl2 + Si =>
2 SiCl = Cl2 + 2 Si
[Cu(NH3)4](OH)2 + Na2S + H2O = CuS + (NH4)2S + NaOH =>
[Cu(NH3)4](OH)2 + 3 Na2S + 4 H2O = CuS + 2(NH4)2S + 6 NaOH
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Cu + AgNo3 = (Cu(No3))2 + Ag =>
2 Cu + 2 AgNo3 = (Cu(No3))2 + 2 Ag
HCOHCuO = HCOOHCu =>
HCOHCuO = HCOOHCu
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
(NH4)3PO4 = H3PO4 + NH3 =>
(NH4)3PO4 = H3PO4 + 3 NH3
Fe2Se3 + Si = Fe + SiSe2 =>
2 Fe2Se3 + 3 Si = 4 Fe + 3 SiSe2
Ni(s) + H2SO4(ac) = Ni2SO4(ac) + H2(g) =>
2 Ni(s) + H2SO4(ac) = Ni2SO4(ac) + H2(g)
Zn + Ag(NO3) = Zn(NO3)2 + Ag =>
Zn + 2 Ag(NO3) = Zn(NO3)2 + 2 Ag
Na + H3PO4 = Na3PO4 + H2 =>
6 Na + 2 H3PO4 = 2 Na3PO4 + 3 H2
Be + ZnCl2 = BeCl2 + Zn =>
Be + ZnCl2 = BeCl2 + Zn
NaOH + H2Co3 = Na2Co3 + H2O =>
2 NaOH + H2Co3 = Na2Co3 + 2 H2O
Fe + H2O = H2 + FeO2 =>
Fe + 2 H2O = 2 H2 + FeO2
AgF + MgCl2 = AgCl2 + MgF =>
AgF + MgCl2 = AgCl2 + MgF
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
(NH4)2(SO4)(aq) + SrCl2(aq) = (NH4)Cl(s) + SrSO4(aq) =>
(NH4)2(SO4)(aq) + SrCl2(aq) = 2(NH4)Cl(s) + SrSO4(aq)
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
Al(NO3)3 + Ca(OH)2 = Al(OH)3 + Ca(NO3)2 =>
2 Al(NO3)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 Ca(NO3)2
FeCl3 + F2 = FeF + Cl2 =>
2 FeCl3 + F2 = 2 FeF + 3 Cl2
Sn + HBr = Sn2Br + H =>
2 Sn + HBr = Sn2Br + H
H2SO4 + KCO3 = KSO4 + H2CO3 =>
H2SO4 + KCO3 = KSO4 + H2CO3
AgF + MgCl2 = AgCl2 + MgF =>
AgF + MgCl2 = AgCl2 + MgF
TlOH = Tl + OH =>
TlOH = Tl + OH
CO2 + FeCl3 = CCl4 + Fe2O3 =>
3 CO2 + 4 FeCl3 = 3 CCl4 + 2 Fe2O3
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
I{-} + H2O = IH + OH{-} =>
I{-} + H2O = IH + OH{-}
Cu2O + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu2O + 14 HNO3 = 6 Cu(NO3)2 + 7 H2O + 2 NO
Ba(OH)2 + H2(SO4) = Ba(SO4) + H(OH) =>
Ba(OH)2 + H2(SO4) = Ba(SO4) + 2 H(OH)
NaHCO3 + Al2(SO4)3 = Al(OH)3 + CO2 + Na2SO4 =>
6 NaHCO3 + Al2(SO4)3 = 2 Al(OH)3 + 6 CO2 + 3 Na2SO4
K3PO4 + Na2Pb[Cu(NO2)6] = Na3PO4 + K2Pb[Cu(NO2)6] =>
2 K3PO4 + 3 Na2Pb[Cu(NO2)6] = 2 Na3PO4 + 3 K2Pb[Cu(NO2)6]
I = I2 =>
2 I = I2
MnO4{-} + SO3{-2} + H{+} = MnO2 + SO4{-2} + H2O =>
2 MnO4{-} + 3 SO3{-2} + 2 H{+} = 2 MnO2 + 3 SO4{-2} + H2O
PbCl4 + NaOH = Na2[Pb(OH)6] + NaCl =>
PbCl4 + 6 NaOH = Na2[Pb(OH)6] + 4 NaCl
CH2CHCH2CH3 + KMnO4 + H2O = CH3CH2CHOHCH2OH + KOH + MnO2 =>
3 CH2CHCH2CH3 + 2 KMnO4 + 4 H2O = 3 CH3CH2CHOHCH2OH + 2 KOH + 2 MnO2
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