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3 Cu2O + P2O5 = 2 Cu3PO4
Ca + HNO3 = Ca(NO3)2 + NH4NO3 + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + NH4NO3 + 3 H2O
H2OCl + Mg = MgCl2 + H2O =>
2 H2OCl + Mg = MgCl2 + 2 H2O
FeO + C = Fe + CO2 =>
2 FeO + C = 2 Fe + CO2
HC2H3O2 + PbO = Pb(C2H2O2) + H2O =>
HC2H3O2 + PbO = Pb(C2H2O2) + H2O
Na2O + SO2 = Na2SO3 =>
Na2O + SO2 = Na2SO3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
HC2H3O2 + PbO = Pb(C2H2O2) + H2O =>
HC2H3O2 + PbO = Pb(C2H2O2) + H2O
K2CO3(aq) + MgI2(aq) = MgCO3(s) + KI(aq) =>
K2CO3(aq) + MgI2(aq) = MgCO3(s) + 2 KI(aq)
MgCl2 + Al(OH)3 = Mg(OH)2 + AlCl3 =>
3 MgCl2 + 2 Al(OH)3 = 3 Mg(OH)2 + 2 AlCl3
H2(g) + Cl2(g) = HCl(aq) =>
H2(g) + Cl2(g) = 2 HCl(aq)
BaCl2 + Pb(NO3)2 = Ba(NO3)2Cl2Pb =>
BaCl2 + Pb(NO3)2 = Ba(NO3)2Cl2Pb
PB(NO3)2 + K2CO4 = PBCO4 + KNO3 =>
PB(NO3)2 + K2CO4 = PBCO4 + 2 KNO3
Mg + Ca = MgCa2 =>
Mg + 2 Ca = MgCa2
C8H10 + KMnO4 = C7H6O2 + MnO2 + KOH + CO2 =>
C8H10 + 4 KMnO4 = C7H6O2 + 4 MnO2 + 4 KOH + CO2
H2O + Hg = HgH2O =>
H2O + Hg = HgH2O
Pb(OH)2 + H2SO4 = PbSO4 + H2O =>
Pb(OH)2 + H2SO4 = PbSO4 + 2 H2O
Mg(SO4)2 + BaCl2 = BaSO4 + Mg(Cl2)2 =>
Mg(SO4)2 + 2 BaCl2 = 2 BaSO4 + Mg(Cl2)2
HI + Ga(OH)3 = H2O + GaI3 =>
3 HI + Ga(OH)3 = 3 H2O + GaI3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
P4 + NO3{-} + H2O + H{+} = H3PO4 + NO =>
3 P4 + 20 NO3{-} + 8 H2O + 20 H{+} = 12 H3PO4 + 20 NO
I2 + HNO3 = HIO3 + NO + H2O(I) =>
2 I2 + 5 HNO3 = 3 HIO3 + 5 NO + H2O(I)
P4(s) + O2(g) = P2O5(s) =>
P4(s) + 5 O2(g) = 2 P2O5(s)
Fe + Cu(OH)2 = Fe(OH) + Cu =>
2 Fe + Cu(OH)2 = 2 Fe(OH) + Cu
SO2(g) + H2O(g) = H2S(g) + O2(g) =>
2 SO2(g) + 2 H2O(g) = 2 H2S(g) + 3 O2(g)
Co + HI = H2 + CoI2 =>
Co + 2 HI = H2 + CoI2
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
H202 + Fe = FeH202 =>
H202 + Fe = FeH202
C13H25OH + O2 = CO2 + H2O =>
C13H25OH + 19 O2 = 13 CO2 + 13 H2O
Cr2O3 + NaOH + NaNO3 = Na2CrO4 + NO + H2O =>
Cr2O3 + 2 NaOH + 2 NaNO3 = 2 Na2CrO4 + 2 NO + H2O
K2O + O2 = K2O2 =>
2 K2O + O2 = 2 K2O2
C3H3COOH + CH3OH = C3H7COOCH3 + H2O =>
C3H3COOH + 6 CH3OH = 2 C3H7COOCH3 + 4 H2O
K2SO3 + HNO3 = SO2 + H2O + KNO3 =>
K2SO3 + 2 HNO3 = SO2 + H2O + 2 KNO3
KI + NH4OH = KOH + INH4 =>
KI + NH4OH = KOH + INH4
S2O3({-2}) + MnO4({-}) + H{+} = Mn{+} + SO42{-} + H2O =>
S2O3({-2}) + 27 MnO4({-}) + 54 H{+} = 27 Mn{+} + 2 SO42{-} + 27 H2O
Fe2(SO4)3 + Na2SiO3 = Fe2(SiO3)3 + Na2SO4 =>
Fe2(SO4)3 + 3 Na2SiO3 = Fe2(SiO3)3 + 3 Na2SO4
KOH + MnO3 = K2MnO4 + H2O =>
2 KOH + MnO3 = K2MnO4 + H2O
MnCl2 + KMnO4 + H2O = HCl + KCl + MnO2 =>
3 MnCl2 + 2 KMnO4 + 2 H2O = 4 HCl + 2 KCl + 5 MnO2
Ca(s) + HCe(aq) = H2(g) + CaCe2(aq) =>
Ca(s) + 2 HCe(aq) = H2(g) + CaCe2(aq)
H{+} + CrO7{2-} + Fe{2+} = Cr{3+} + H2O + Fe{3+} =>
14 H{+} + CrO7{2-} + 9 Fe{2+} = Cr{3+} + 7 H2O + 9 Fe{3+}
NiSO4 + Ca(NO3)2 = CaSO4 + Ni(NO3)2 =>
NiSO4 + Ca(NO3)2 = CaSO4 + Ni(NO3)2
Li + Si = Li4Si =>
4 Li + Si = Li4Si
WSO4 + BaCl2 = WCl2 + BaSO4 =>
WSO4 + BaCl2 = WCl2 + BaSO4
CH3CH2CH(NH2)COOH + HCl = CH3CH2CH(NH2)COCl + H2O =>
CH3CH2CH(NH2)COOH + HCl = CH3CH2CH(NH2)COCl + H2O
NH3(aq) + H2O(l) + Mg(NO3)2(aq) = (NH4)2NO3(aq) + Mg(OH)2(s) =>
34 NH3(aq) + 20 H2O(l) + 7 Mg(NO3)2(aq) = 16(NH4)2NO3(aq) + 7 Mg(OH)2(s)
HCONH2 + O2 = NO2 + CO2 + H2O =>
4 HCONH2 + 9 O2 = 4 NO2 + 4 CO2 + 6 H2O
Na3PS4 + H2O = Na3PO4 + H2S =>
Na3PS4 + 4 H2O = Na3PO4 + 4 H2S
Ba(OH)2 + LiNO3 = Ba(NO3)2 + LiOH =>
Ba(OH)2 + 2 LiNO3 = Ba(NO3)2 + 2 LiOH
KI(aq) + Hg2(NO3)2(aq) = KNO3(aq) + Hg2I2(s)(s) =>
2 KI(aq) + Hg2(NO3)2(aq) = 2 KNO3(aq) + Hg2I2(s)(s)
HCl(g) + O2(g) = H2O(g) + Cl2(g) =>
4 HCl(g) + O2(g) = 2 H2O(g) + 2 Cl2(g)
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