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4 Zn + HNO3 + 5 H2O = 4 Zn(OH)2 + NH3
Cu + H3PO4 = Cu3(PO4)2 + H2O + PO =>
3 Cu + 4 H3PO4 = Cu3(PO4)2 + 6 H2O + 2 PO
H3PO4 + Ca + OH = Ca3(PO4) + H2O =>
H3PO4 + 3 Ca + 3 OH = Ca3(PO4) + 3 H2O
AlCl3 + Al(OH)3 = Al(OH)Cl2 =>
2 AlCl3 + Al(OH)3 = 3 Al(OH)Cl2
Ca(NO3)2(aq) + Na2CO3(aq) = CaCO3(aq) + NaNO3(aq) =>
Ca(NO3)2(aq) + Na2CO3(aq) = CaCO3(aq) + 2 NaNO3(aq)
NiCl2(aq) + Pb(NO3)2(aq) = PbCl2(s) + Ni(NO3)2(aq) =>
NiCl2(aq) + Pb(NO3)2(aq) = PbCl2(s) + Ni(NO3)2(aq)
HOH = H2 + OH =>
2 HOH = H2 + 2 OH
C2H5Cl + HOH = C2H5OH + HCl =>
C2H5Cl + HOH = C2H5OH + HCl
KClO3 + H2SO3 = O2 + ClO2 + K2SO2 + H2O =>
2 KClO3 + H2SO3 = O2 + 2 ClO2 + K2SO2 + H2O
AlCl3 + Al(OH)3 = AlOHCl2 =>
2 AlCl3 + Al(OH)3 = 3 AlOHCl2
AlCl3 + Al(OH)3 = Al(OH)2Cl =>
AlCl3 + 2 Al(OH)3 = 3 Al(OH)2Cl
Cr(NO3)3 + Ba(NO3) + H2O = BaCr2O4 + NH3 + O2 =>
8 Cr(NO3)3 + 4 Ba(NO3) + 42 H2O = 4 BaCr2O4 + 28 NH3 + 55 O2
KAl(SO4)2 + HCl = H2SO4 + KAlCl4 =>
KAl(SO4)2 + 4 HCl = 2 H2SO4 + KAlCl4
AlCl3 + KOH = AlOH + KCl3 =>
AlCl3 + KOH = AlOH + KCl3
Sn + P4 = Sn3P4 =>
3 Sn + P4 = Sn3P4
KC3H5O3 + HCl = HC3H5O3 + KCl =>
KC3H5O3 + HCl = HC3H5O3 + KCl
CH3CH2OH + OH = H2O + CH3COOH =>
CH3CH2OH + 4 OH = 3 H2O + CH3COOH
FeCl3 = Cl2 + Fe =>
2 FeCl3 = 3 Cl2 + 2 Fe
Ag(NO3) + KI = AgI + K(NO3) =>
Ag(NO3) + KI = AgI + K(NO3)
CH3CHO + Cu(OH)2 + OH{-} = CH3COO{-} + Cu2O + H2O =>
CH3CHO + 2 Cu(OH)2 + OH{-} = CH3COO{-} + Cu2O + 3 H2O
Cu + Ag(NO3) = Cu(NO3) + Ag =>
Cu + Ag(NO3) = Cu(NO3) + Ag
NaHCO3(aq) + C6H8O7(aq) = NaC6H7O7(aq) + H2O(l) + CO2(g) =>
NaHCO3(aq) + C6H8O7(aq) = NaC6H7O7(aq) + H2O(l) + CO2(g)
NaCl(s) + SO2(g) + H2O(g) + O2(g) = Na2SO4(a) + HCl(g) =>
4 NaCl(s) + 2 SO2(g) + 2 H2O(g) + O2(g) = 2 Na2SO4(a) + 4 HCl(g)
Cu + Ag(NO3) = Cu(NO3)2 + Ag =>
Cu + 2 Ag(NO3) = Cu(NO3)2 + 2 Ag
CaO(s) + CO2(g) = CaCO3(s) =>
CaO(s) + CO2(g) = CaCO3(s)
PbO2H2 + HCl = H2O + PbCl2 =>
PbO2H2 + 2 HCl = 2 H2O + PbCl2
AlCl3 + Al(OH)3 = Al(OH)Cl2 =>
2 AlCl3 + Al(OH)3 = 3 Al(OH)Cl2
PbO + HNo3 = Pb(No3)2 + H2O =>
PbO + 2 HNo3 = Pb(No3)2 + H2O
Mg + Ag(NO3) = Mg(NO3)2 + Ag =>
Mg + 2 Ag(NO3) = Mg(NO3)2 + 2 Ag
LiOH(aq)KCl(s) = LiCl(aq)KOH(aq) =>
LiOH(aq)KCl(s) = LiCl(aq)KOH(aq)
H2CO2 + NaCl = Na2CO2 + HCl =>
H2CO2 + 2 NaCl = Na2CO2 + 2 HCl
C4H9OH + H2SO4 + K2Cr2O7 = C5H9COOH + H2O + Cr2(SO4)3 + K2SO4 =>
3 C4H9OH + 8 H2SO4 + 2 K2Cr2O7 = 2 C5H9COOH + 13 H2O + 2 Cr2(SO4)3 + 2 K2SO4
CH3CH2CHOHCH3 + Na = (CH3)3CONa + H2 =>
2 CH3CH2CHOHCH3 + 2 Na = 2(CH3)3CONa + H2
Pb(s) + O2(g) = PbO3(s) =>
2 Pb(s) + 3 O2(g) = 2 PbO3(s)
CoBr3 + Na2CO3 = Co2(CO3)3 + NaBr =>
2 CoBr3 + 3 Na2CO3 = Co2(CO3)3 + 6 NaBr
(NH4)2SO4 + NaHSO3 = (NH4)2SO3 + NaHSO4 =>
(NH4)2SO4 + NaHSO3 = (NH4)2SO3 + NaHSO4
CaCO3 + La2O3 + CuO + Cr2O3 = La90Ca10Cr80Cu20O285 + CO2 =>
10 CaCO3 + 45 La2O3 + 20 CuO + 40 Cr2O3 = La90Ca10Cr80Cu20O285 + 10 CO2
CuO + Ca = CaO + Cu =>
CuO + Ca = CaO + Cu
Pt + HCl + Cl2 = H2[PtCl6] =>
Pt + 2 HCl + 2 Cl2 = H2[PtCl6]
CdBr + Na2S = CdS + Na2Br =>
CdBr + Na2S = CdS + Na2Br
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
MnO4 + Mn2 = Mn2O4 =>
2 MnO4 + Mn2 = 2 Mn2O4
Co(CH3CO2)2 + AlI3 = Al(CH3CO2)3 + CoI2 =>
3 Co(CH3CO2)2 + 2 AlI3 = 2 Al(CH3CO2)3 + 3 CoI2
P + K2Cr2O7 = P2O5 + Cr2O3 + K2O =>
6 P + 5 K2Cr2O7 = 3 P2O5 + 5 Cr2O3 + 5 K2O
Mg + CO2 = MgCO3 + C =>
2 Mg + 3 CO2 = 2 MgCO3 + C
AlCl3 + Al(OH)3 = Al(OH)Cl2 =>
2 AlCl3 + Al(OH)3 = 3 Al(OH)Cl2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
NaCl + H2O = Na2O + HCl =>
2 NaCl + H2O = Na2O + 2 HCl
Na(HCO3) + C6H8O7 = CO2 + H2O + Na3C6H5O7 =>
3 Na(HCO3) + C6H8O7 = 3 CO2 + 3 H2O + Na3C6H5O7
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