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4 CuO + 2 NH4Cl = CuCl2 + 4 H2O + N2 + 3 Cu
C7H14 = C7H8 + H2 =>
C7H14 = C7H8 + 3 H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
H2PO + OH = HPO3 + H2O =>
H2PO + 5 OH = HPO3 + 3 H2O
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
P2S5(s) + PCl5(s) = PSCl3(g) =>
P2S5(s) + 3 PCl5(s) = 5 PSCl3(g)
K2CO3H2SO4 = K2SO4H2OCO2 =>
K2CO3H2SO4 = K2SO4H2OCO2
ZnCl2 + NaBr = ZnBr + NaCl2 =>
ZnCl2 + NaBr = ZnBr + NaCl2
PH2 = P + H2 =>
PH2 = P + H2
NH4OH + Pb(NO3) = NH4NO3 + PbOH =>
NH4OH + Pb(NO3) = NH4NO3 + PbOH
H2O(SO3) = H2(SO4) =>
H2O(SO3) = H2(SO4)
HCl + SO2 + Zn = ZnCl2 + H2S + H2O =>
6 HCl + SO2 + 3 Zn = 3 ZnCl2 + H2S + 2 H2O
Pb + H3PO4 = H2 + Pb(PO4)23 =>
2 Pb + 46 H3PO4 = 69 H2 + 2 Pb(PO4)23
Cu(H2O)6NaOH = Cu(OH)Na(H2O)6 =>
Cu(H2O)6NaOH = Cu(OH)Na(H2O)6
H(SO4) + K(OH) = K(SO4) + H2O =>
H(SO4) + K(OH) = K(SO4) + H2O
(NH4)CO3 + KOH = KCO3 + NH4OH =>
(NH4)CO3 + KOH = KCO3 + NH4OH
Ca(OH)2 + H2SO4 = CaSO4 + HOH =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 HOH
AlOAsO3 = AlAsO4 =>
AlOAsO3 = AlAsO4
X3 = X2 =>
2 X3 = 3 X2
K2S + MgSO4 = MgO4 + K2S2 =>
K2S + MgSO4 = MgO4 + K2S2
(d)NaHCO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
(d)NaHCO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g)
C2H6O + C9H14O2 = C11H18O2 + H2O =>
C2H6O + C9H14O2 = C11H18O2 + H2O
Fe2SiO4 + O2 + H2O = Fe(OH)3 + H4SiO4 =>
2 Fe2SiO4 + O2 + 10 H2O = 4 Fe(OH)3 + 2 H4SiO4
C4H6 + Cl2 = C4H6Cl4 =>
C4H6 + 2 Cl2 = C4H6Cl4
Cu3Zn + HCl = Cu3ZnCl + H2 =>
2 Cu3Zn + 2 HCl = 2 Cu3ZnCl + H2
Mn(SO4)2 + NaOH = Mn(OH)2 + Na(SO4) =>
Mn(SO4)2 + 2 NaOH = Mn(OH)2 + 2 Na(SO4)
Na2SO3 + NaBiO3 + H2SO4 = Bi2(SO4)3 + H2O + Na2SO4 =>
2 Na2SO3 + 2 NaBiO3 + 4 H2SO4 = Bi2(SO4)3 + 4 H2O + 3 Na2SO4
CuO + NH4Cl = CuCl2 + H2O + N2 + Cu =>
4 CuO + 2 NH4Cl = CuCl2 + 4 H2O + N2 + 3 Cu
Cu3Zn + HCl = Cu3ZnCl + H2 =>
2 Cu3Zn + 2 HCl = 2 Cu3ZnCl + H2
HNO3 + Fe2(CO3)3 = Fe(NO3)3 + H2O + CO2 =>
6 HNO3 + Fe2(CO3)3 = 2 Fe(NO3)3 + 3 H2O + 3 CO2
P2O5 + NaOH = NaH2PO4 + Na2HPO4 =>
P2O5 + 3 NaOH = NaH2PO4 + Na2HPO4
MgSO4(Ag) + NaHCO3(Ag) = NaHSO4(Ag) + MgCO3(Ag) =>
MgSO4(Ag) + NaHCO3(Ag) = NaHSO4(Ag) + MgCO3(Ag)
PhNH2 + HF + NaNO2 = PhF + NaF + H2O + N2 =>
PhNH2 + 2 HF + NaNO2 = PhF + NaF + 2 H2O + N2
KSCN + FeCl3 = KCl + Fe(SCN)3 =>
3 KSCN + FeCl3 = 3 KCl + Fe(SCN)3
F2 + H2O = HF + O2 =>
2 F2 + 2 H2O = 4 HF + O2
CuBr2 + MnF3 = CuF2 + MnBr3 =>
3 CuBr2 + 2 MnF3 = 3 CuF2 + 2 MnBr3
Ca(HCO3)2 = CaCO3 + H2CO3 =>
Ca(HCO3)2 = CaCO3 + H2CO3
RCH2OH + K2Cr2O7 + H2SO4 = RCHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 RCH2OH + K2Cr2O7 + 4 H2SO4 = 3 RCHO + Cr2(SO4)3 + K2SO4 + 7 H2O
HN3CaOH = N3CaH2O =>
HN3CaOH = N3CaH2O
Zn + Ba(OH)2 = Ba + Zn(OH)2 =>
Zn + Ba(OH)2 = Ba + Zn(OH)2
S02 = S04 =>
2 S02 = S04
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
NaCl + KBr = KCl + NaBr =>
NaCl + KBr = KCl + NaBr
[Cu(OH)2]2CO3 + CH3COOH = CH3COO[Cu(OH)2] + CO2 + H2O =>
[Cu(OH)2]2CO3 + 2 CH3COOH = 2 CH3COO[Cu(OH)2] + CO2 + H2O
CuSO4H2O + Fe = Cu + Fe2(SO4)3 + H2O =>
3 CuSO4H2O + 2 Fe = 3 Cu + Fe2(SO4)3 + 3 H2O
AlBr3 + K2CO3 = Br3K2 + AlCO3 =>
AlBr3 + K2CO3 = Br3K2 + AlCO3
Pb + KOH + H2O = K2[Pb(OH)4] + H2 =>
Pb + 2 KOH + 2 H2O = K2[Pb(OH)4] + H2
C6H10O5 + H2SO4 = C3H2SO4 + CH4 + H6O6 =>
12 C6H10O5 + 19 H2SO4 = 19 C3H2SO4 + 15 CH4 + 10 H6O6
NaClO + MnO2 = MnClO + NaO2 =>
NaClO + MnO2 = MnClO + NaO2
[Fe(CN)6]{-}3 = [Fe(CN)6]{-}4 =>
[Fe(CN)6]{-}3 = [Fe(CN)6]{-}4
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