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2 B2O + 3 C = B4C + 2 CO
NH3 + HS2 = NH4S2 =>
NH3 + HS2 = NH4S2
KClO3 + CrCl3 + KOH = K2Cr2O7 + KCl + H2O =>
KClO3 + 2 CrCl3 + 8 KOH = K2Cr2O7 + 7 KCl + 4 H2O
HgO + H2SO3 = HgSO3 + H2O =>
HgO + H2SO3 = HgSO3 + H2O
COCl2(g) + H2O(l) = HCl(aq) + CO2(aq) =>
COCl2(g) + H2O(l) = 2 HCl(aq) + CO2(aq)
CaCl2(s) = Ca(s) + Cl2(g) =>
CaCl2(s) = Ca(s) + Cl2(g)
Au + H2O = Au2O + H2 =>
2 Au + H2O = Au2O + H2
(NH4)3[PMo12O40] + SnCl2 + H2O = Mo5O11 + SnOCl2 + (NH4)2MoO4 + (NH4)H2PO4 =>
5(NH4)3[PMo12O40] + 44 SnCl2 + 5 H2O = 11 Mo5O11 + 44 SnOCl2 + 5(NH4)2MoO4 + 5(NH4)H2PO4
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
AgO + HNO3 = Ag(NO3)2 + H2O =>
AgO + 2 HNO3 = Ag(NO3)2 + H2O
Cu(NO3)2*3H2O + NH4OH = [Cu(NH3)4](NO3)2 + H2O =>
Cu(NO3)2*3H2O + 4 NH4OH = [Cu(NH3)4](NO3)2 + 7 H2O
I + F2 = IF3 =>
2 I + 3 F2 = 2 IF3
Zn + Cu(NO3)2 = ZnNO3 + Cu =>
2 Zn + Cu(NO3)2 = 2 ZnNO3 + Cu
S(s) + Fe2O3(s) = SO2(g) + Fe(s) =>
3 S(s) + 2 Fe2O3(s) = 3 SO2(g) + 4 Fe(s)
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
Cu + AuNo3 = Cu(No3)2 + Au =>
Cu + 2 AuNo3 = Cu(No3)2 + 2 Au
Na2S + Br2 = NaBr + S8 =>
8 Na2S + 8 Br2 = 16 NaBr + S8
Cu + CuS = Cu2S =>
Cu + CuS = Cu2S
Au + H2O = Au(OH)3 + H2 =>
2 Au + 6 H2O = 2 Au(OH)3 + 3 H2
CO2(g)Cu2O(s) + C(s) = Cu(s) + CO(g) =>
CO2(g)Cu2O(s) + 2 C(s) = 2 Cu(s) + 3 CO(g)
Ca(C2H3O2)2 + Al2(SO3)3 = CaSO3 + Al(C2H3O2)3 =>
3 Ca(C2H3O2)2 + Al2(SO3)3 = 3 CaSO3 + 2 Al(C2H3O2)3
Cu(NO3)2 + Pb = Cu + Pb(NO3)2 =>
Cu(NO3)2 + Pb = Cu + Pb(NO3)2
SO3 + H = S2O3 + H2O =>
2 SO3 + 6 H = S2O3 + 3 H2O
Mg + NH3 = H2 + Mg3N2 =>
3 Mg + 2 NH3 = 3 H2 + Mg3N2
Na3PO4 + Zn(SO4) = Na2(SO4) + Zn3(PO4)2 =>
2 Na3PO4 + 3 Zn(SO4) = 3 Na2(SO4) + Zn3(PO4)2
MgSiO3 = MgO + SiO2 =>
MgSiO3 = MgO + SiO2
CH3{-}C6H4{-}CH3 + KMnO4 + H2SO4 = HOOC{-}C6H4{-}COOH + K2SO4 + MnSO4 + H2O =>
5 CH3{-}C6H4{-}CH3 + 6 KMnO4 + 9 H2SO4 = 5 HOOC{-}C6H4{-}COOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
magnesium + calciumcarbonate = calcium + magnesiumcarbonate =>
Mg + CaCO3 = Ca + MgCO3
BeSrO = BeOSr =>
BeSrO = BeOSr
S + HCl = SCl3 + H2 =>
2 S + 6 HCl = 2 SCl3 + 3 H2
Ba + HNO3 = BaNO3 + H2O + NH3 =>
8 Ba + 9 HNO3 = 8 BaNO3 + 3 H2O + NH3
C3H6O2 + C2H5OH = H2O + C2H5COOCH5 =>
2 C3H6O2 + 5 C2H5OH = H2O + 4 C2H5COOCH5
KH + S = K2S + H2S =>
2 KH + 2 S = K2S + H2S
H2SiO3HCl = H3SiO3Cl =>
H2SiO3HCl = H3SiO3Cl
KI + KNO2 + H2SO4 = K2SO4 + I2 + NO + H2O =>
2 KI + 2 KNO2 + 2 H2SO4 = 2 K2SO4 + I2 + 2 NO + 2 H2O
NH4Cl + I = NH4I + Cl =>
NH4Cl + I = NH4I + Cl
J = J2 =>
2 J = J2
CaCl2*2H2O + K2C2O4*H2O = CaC2O4 + KCl + H2O =>
CaCl2*2H2O + K2C2O4*H2O = CaC2O4 + 2 KCl + 3 H2O
H2O + Hg{2+} + V{3+} = Hg2{2+} + VO{2+} + H{+} =>
2 H2O + 2 Hg{2+} + 2 V{3+} = Hg2{2+} + 2 VO{2+} + 4 H{+}
Fe + S = FeS =>
Fe + S = FeS
ZnS + FeCl3 = ZnCl2 + FeCl2 + S =>
ZnS + 2 FeCl3 = ZnCl2 + 2 FeCl2 + S
KICl2 = KCl2I =>
KICl2 = KCl2I
HgS = Hg{+2} + S{-2} =>
HgS = Hg{+2} + S{-2}
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
C6H13O6(g) + O2(g) = CO2(g) + H2O(l) =>
4 C6H13O6(g) + 25 O2(g) = 24 CO2(g) + 26 H2O(l)
Pb2O4 + CO2 = Pb2(CO3)4 =>
Pb2O4 + 4 CO2 = Pb2(CO3)4
NaI + Sr(NO3)2 = Na(NO3) + SrI2 =>
2 NaI + Sr(NO3)2 = 2 Na(NO3) + SrI2
K3PO4(aq) + Ca(NO3)2(aq) = Ca3(PO4)2(s) + KNO3(aq) =>
2 K3PO4(aq) + 3 Ca(NO3)2(aq) = Ca3(PO4)2(s) + 6 KNO3(aq)
Fe + P = Fe3P =>
3 Fe + P = Fe3P
AgNO3 + LiCl = AgCl + LiNO3 = =>
AgNO3 + LiCl = AgCl + LiNO3
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