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2 Ph = Ph2
C2H4 + NH3 = C8H18 + N =>
12 C2H4 + 2 NH3 = 3 C8H18 + 2 N
NO3 + H2S = S8 + NO + H2O =>
4 NO3 + 8 H2S = S8 + 4 NO + 8 H2O
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
NaCl + NaOH = Na(OH)2 + Na2Cl =>
NaCl + 2 NaOH = Na(OH)2 + Na2Cl
HC + F2 = F4C + HF =>
2 HC + 5 F2 = 2 F4C + 2 HF
K2CO3 + H3BO3 + Y2O3 + Sm2O3 = KYBO3Sm + CO2 + H2O + O2 =>
K2CO3 + 2 H3BO3 + Y2O3 + Sm2O3 = 2 KYBO3Sm + CO2 + 3 H2O + 2 O2
NaI + Br2 = NaBr + I3 =>
6 NaI + 3 Br2 = 6 NaBr + 2 I3
MgSO4 + Pb(CH3COO)2 = PbSO4 + Mg(CH3COO)2 =>
MgSO4 + Pb(CH3COO)2 = PbSO4 + Mg(CH3COO)2
CaCO3 + Na2SO4 = CaSO4 + Na2CO3 =>
CaCO3 + Na2SO4 = CaSO4 + Na2CO3
Na(s) + Al2O3(s) = Na2O(s) + Al(s) =>
6 Na(s) + Al2O3(s) = 3 Na2O(s) + 2 Al(s)
KF(s) + Ca(NO3)2(aq) = CaF2(s) + K(NO3)(aq) =>
2 KF(s) + Ca(NO3)2(aq) = CaF2(s) + 2 K(NO3)(aq)
NaH2PO4 + FeCl3 = NaCl + FePO4 + H3PO4 =>
3 NaH2PO4 + FeCl3 = 3 NaCl + FePO4 + 2 H3PO4
BaCl2 + KCO3 = BaCO3 + KCl2 =>
BaCl2 + KCO3 = BaCO3 + KCl2
Na2CrO4 + Na2SO3 + H2O = CrOH3 + Na2SO4 + NaOH =>
2 Na2CrO4 + 7 Na2SO3 + 5 H2O = 2 CrOH3 + 7 Na2SO4 + 4 NaOH
BrCl + NaI = NaCl + BrI =>
BrCl + NaI = NaCl + BrI
MnO4[{-}] + C2O42{-} + H2O = MnO2 + CO32{-} + OH[{-}] =>
43 MnO4[{-}] + 3 C2O42{-} + 20 H2O = 43 MnO2 + 6 CO32{-} + 40 OH[{-}]
Ni + AuBr3 = NiBr3 + Au =>
Ni + AuBr3 = NiBr3 + Au
C2H2 + H2O = H3CCOH =>
C2H2 + H2O = H3CCOH
Co(H2O)6 + Cl2 = [Co(H2O)6]Cl2 =>
Co(H2O)6 + Cl2 = [Co(H2O)6]Cl2
Fe3 + Cu(NO3)2 = FeNO3 + Cu =>
2 Fe3 + 3 Cu(NO3)2 = 6 FeNO3 + 3 Cu
NH3 + H2O + Cu(NO3)2 = NH4NO3 + CuOH2 =>
10 NH3 + 7 H2O + 4 Cu(NO3)2 = 9 NH4NO3 + 4 CuOH2
ClO4 = O2 + Cl2 =>
2 ClO4 = 4 O2 + Cl2
FeMnO4 = Fe{+} + MnO4{-} =>
FeMnO4 = Fe{+} + MnO4{-}
NiBr2 + K = Ni + KBr =>
NiBr2 + 2 K = Ni + 2 KBr
(e)PBr3(l) = P4(s) + Br2(l) =>
4(e)PBr3(l) = P4(s) + 6 Br2(l)
C6H5COOH + CH3COOH = C7H8C2O4H2 =>
C6H5COOH + CH3COOH = C7H8C2O4H2
CrO3 + C2H5OH = C2H3OH + Cr2O3 + H2O =>
2 CrO3 + 3 C2H5OH = 3 C2H3OH + Cr2O3 + 3 H2O
CH3OCH2COOH + HCl = H2O + CH3CH2COOCl =>
CH3OCH2COOH + HCl = H2O + CH3CH2COOCl
Co59 = Co60 =>
60 Co59 = 59 Co60
CH4 + NH3 + H2O = C2H5NO + H2 =>
2 CH4 + NH3 + H2O = C2H5NO + 4 H2
Na + Ca(OH) = NaCaOH =>
Na + Ca(OH) = NaCaOH
Zn + No2 = Zn(No2)2 =>
Zn + 2 No2 = Zn(No2)2
S + O2 + P + CuSnPbZn = SnO2 + PbSO4 + ZnP2O7 + Cu =>
2 S + 13 O2 + 4 P + 2 CuSnPbZn = 2 SnO2 + 2 PbSO4 + 2 ZnP2O7 + 2 Cu
MnCO3 + H2CO3 = Mn{+2} + HCO3{-} =>
MnCO3 + H2CO3 = Mn{+2} + 2 HCO3{-}
MnO2(S) + H2SO4(l) = Mn(SO4)2(S) + H2O(l) =>
MnO2(S) + 2 H2SO4(l) = Mn(SO4)2(S) + 2 H2O(l)
NaOH + (NH4)3PO4 = Na3PO4 + H2O + NH3 =>
3 NaOH + (NH4)3PO4 = Na3PO4 + 3 H2O + 3 NH3
CaCO3(S) + HCl(aq) = CaCl2(S) + H2CO3(aq) =>
CaCO3(S) + 2 HCl(aq) = CaCl2(S) + H2CO3(aq)
KNO3(s) + Na(s) = K2O(s) + Na2O(s) + N =>
2 KNO3(s) + 10 Na(s) = K2O(s) + 5 Na2O(s) + 2 N
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Pd + HCl + HNO3 = H2PdCl6 + NO + H2O =>
3 Pd + 18 HCl + 4 HNO3 = 3 H2PdCl6 + 4 NO + 8 H2O
C9H15AlO9 + H2O = C9H17AlO10 =>
C9H15AlO9 + H2O = C9H17AlO10
(NH4)2CO3 + LiOH = Li2CO3 + NH3 + H2O =>
(NH4)2CO3 + 2 LiOH = Li2CO3 + 2 NH3 + 2 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
Mn(NO3)2(H2O)4 + Fe(NO3)3(H2O)9 + C6H8O7(H2O) = MnFe2O4 + N2 + CO2 + H2O =>
9 Mn(NO3)2(H2O)4 + 18 Fe(NO3)3(H2O)9 + 20 C6H8O7(H2O) = 9 MnFe2O4 + 36 N2 + 120 CO2 + 298 H2O
Ta + S = TaS =>
Ta + S = TaS
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NaC2H3O2 + HCl = NaCl + HC2H3O2 =>
NaC2H3O2 + HCl = NaCl + HC2H3O2
MnSO4 + Na2S2O3 = MnS + Na2S2O6 =>
3 MnSO4 + 4 Na2S2O3 = 3 MnS + 4 Na2S2O6
NaHSO3 + H2SO4 = Na2SO4 + SO2 + H2O =>
2 NaHSO3 + H2SO4 = Na2SO4 + 2 SO2 + 2 H2O
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