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2 H3PO4 + 3 CaO = Ca3(PO4)2 + 3 H2O
SO2 + HF = HSO2F =>
SO2 + HF = HSO2F
Ni(OH)2 + Cl2 + NaOH = Ni2O3 + NaCl + H2O =>
2 Ni(OH)2 + Cl2 + 2 NaOH = Ni2O3 + 2 NaCl + 3 H2O
H2CO3 + Mg(OH)2 = MgCO3 + H2O =>
H2CO3 + Mg(OH)2 = MgCO3 + 2 H2O
AgNO3 + FeCl = AgCl + FeNO3 =>
AgNO3 + FeCl = AgCl + FeNO3
Ca{2+} + (NH4)2CO3 = CaCO3 + NH4{+} =>
Ca{2+} + (NH4)2CO3 = CaCO3 + 2 NH4{+}
AgCl + HNo3 = AgNo3 + HCl =>
AgCl + HNo3 = AgNo3 + HCl
Na2SiO3 + HClO4 = H2SiO3 + NaClO4 =>
Na2SiO3 + 2 HClO4 = H2SiO3 + 2 NaClO4
Ni2{+} + Zn = Ni + Zn2{+} =>
Ni2{+} + 2 Zn = 2 Ni + Zn2{+}
Li2O + HNO3 = LiNO3 + H2O =>
Li2O + 2 HNO3 = 2 LiNO3 + H2O
HF(aq) + NH4OH(aq) = NH4F + H2O(l) =>
HF(aq) + NH4OH(aq) = NH4F + H2O(l)
Hg2S2(s) = Hg2(l) + S(s) =>
Hg2S2(s) = Hg2(l) + 2 S(s)
Na3AsO4 = As2O5 + Na2O =>
2 Na3AsO4 = As2O5 + 3 Na2O
NiS + HI = NiI2 + H2S =>
NiS + 2 HI = NiI2 + H2S
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
Ga + Se = Ga2Se3 =>
2 Ga + 3 Se = Ga2Se3
MgO(aq) + NaBr(aq) = MgBr2(aq) + Na2O(aq) =>
MgO(aq) + 2 NaBr(aq) = MgBr2(aq) + Na2O(aq)
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
FeCl3 + As2S3 + H2O = As2O5 + FeCl2 + S + HCl =>
10 FeCl3 + As2S3 + 5 H2O = As2O5 + 10 FeCl2 + 3 S + 10 HCl
NH3OH{+} + Cl2 = N2H5{+} + H2O + HClO2 + H{+} =>
6 NH3OH{+} + Cl2 = 3 N2H5{+} + 2 H2O + 2 HClO2 + 3 H{+}
SrN2 = Sr + N2 =>
SrN2 = Sr + N2
C3H6O3 + HCl = C3H5O2Cl + H2O =>
C3H6O3 + HCl = C3H5O2Cl + H2O
Al2(SO4)3 + HCl = AlCl3 + H2SO4 =>
Al2(SO4)3 + 6 HCl = 2 AlCl3 + 3 H2SO4
CH3CH2OH + K2(Cr2O7) + H2(SO4) = CH3CHO + Cr2(SO4)3 + H2O + K2SO4 =>
3 CH3CH2OH + K2(Cr2O7) + 4 H2(SO4) = 3 CH3CHO + Cr2(SO4)3 + 7 H2O + K2SO4
CuO + HNO3 = Cu + NO3 + H2O =>
CuO + 2 HNO3 = Cu + 2 NO3 + H2O
Fe(OH)2 + H3BO3 = FeHBO3 + H2O =>
Fe(OH)2 + H3BO3 = FeHBO3 + 2 H2O
Na + Al = NaAl =>
Na + Al = NaAl
Fe(s) + Cl2(g) = FeCl3(s) =>
2 Fe(s) + 3 Cl2(g) = 2 FeCl3(s)
Na + Al = NaAl =>
Na + Al = NaAl
Ba(OH)2 + HSO4 = BaSO4 + H(OH)2 =>
Ba(OH)2 + HSO4 = BaSO4 + H(OH)2
HIO4 + KI + HCl = KCl + I2 + H2O =>
HIO4 + 7 KI + 7 HCl = 7 KCl + 4 I2 + 4 H2O
Cu(NO3)2 + K4(Fe(CN)6) = Cu2(Fe(CN)6) + KNO3 =>
2 Cu(NO3)2 + K4(Fe(CN)6) = Cu2(Fe(CN)6) + 4 KNO3
SO2 + NO2 + H2O = H2SO4 + HNO2 =>
SO2 + 2 NO2 + 2 H2O = H2SO4 + 2 HNO2
IBr(s) + NH3(g) = NI3(s) + NH4Br(s) =>
3 IBr(s) + 4 NH3(g) = NI3(s) + 3 NH4Br(s)
Au3S2 + H2 = Au + H2S =>
Au3S2 + 2 H2 = 3 Au + 2 H2S
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
Fe2 + O2(g) = Fe2O3 =>
2 Fe2 + 3 O2(g) = 2 Fe2O3
Na + Al = NaAl =>
Na + Al = NaAl
Na2O2 + NH3 = NaNO3 + NaOH + Na2O =>
4 Na2O2 + NH3 = NaNO3 + 3 NaOH + 2 Na2O
N + H2O = NH3 + OH =>
N + 3 H2O = NH3 + 3 OH
Fe + HBr2 = FeBr + H2 =>
4 Fe + 2 HBr2 = 4 FeBr + H2
CdSO4(aq) + SrS(aq) = CdS(s) + SrSO4 =>
CdSO4(aq) + SrS(aq) = CdS(s) + SrSO4
Cu + H2O = CuO + H2 = =>
Cu + H2O = CuO + H2
K + Sn(Co3)2 = Sn + KCo3 =>
2 K + Sn(Co3)2 = Sn + 2 KCo3
SiCl2 = Si + Cl2 =>
SiCl2 = Si + Cl2
KOH(s) + KH2PO4(aq) = K3PO4(aq) + H2O =>
2 KOH(s) + KH2PO4(aq) = K3PO4(aq) + 2 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
Co{3+} + CO3{2-} = Co2(CO3)3 =>
2 Co{3+} + 3 CO3{2-} = Co2(CO3)3
H2C2O4*2H2O + (NH4)2C2O4*H2O + NH4VO3 = (NH4)2[VO(C2O4)2*2(H2O)] + H2O + CO2 =>
4 H2C2O4*2H2O + (NH4)2C2O4*H2O + 2 NH4VO3 = 2(NH4)2[VO(C2O4)2*2(H2O)] + 9 H2O + 2 CO2
SnSO4 + H2O = Sn(OH)2 + SO3 =>
SnSO4 + H2O = Sn(OH)2 + SO3
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