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Na2S + 2 O2 = Na2SO4
K3Fe(CN)6 + FeCl2 = KCl + Fe3(Fe(CN)6)2 =>
2 K3Fe(CN)6 + 3 FeCl2 = 6 KCl + Fe3(Fe(CN)6)2
Cu(s) + Cl2(g) = CuCl2(s) =>
Cu(s) + Cl2(g) = CuCl2(s)
Au + H2O = Au2O3 + H2 =>
2 Au + 3 H2O = Au2O3 + 3 H2
U3O8 + NO{+3} + H{+} = UO2{+2} + NO + H2O =>
3 U3O8 + 2 NO{+3} + 12 H{+} = 9 UO2{+2} + 2 NO + 6 H2O
C12H22O11(s) + O2(g) = CO2(g) + H2O =>
C12H22O11(s) + 12 O2(g) = 12 CO2(g) + 11 H2O
K2S + N2 = K3N + S =>
3 K2S + N2 = 2 K3N + 3 S
Ba + P2 = BaP =>
2 Ba + P2 = 2 BaP
Cr(s) + HNO3(aq) = Cr(NO3)3 + NO(g) + H2O(l) =>
Cr(s) + 4 HNO3(aq) = Cr(NO3)3 + NO(g) + 2 H2O(l)
C2H5 + Cl2 = C2H4Cl2 + HCl =>
2 C2H5 + 3 Cl2 = 2 C2H4Cl2 + 2 HCl
Co(NO3)2(aq) + Na3PO4(aq) = Co3(PO4)2(s) + NaNO3(aq) =>
3 Co(NO3)2(aq) + 2 Na3PO4(aq) = Co3(PO4)2(s) + 6 NaNO3(aq)
HI(aq) + NaHCO3(aq) = HCHO3 + NaI =>
HI(aq) + NaHCO3(aq) = HCHO3 + NaI
Cl + H2O = HCl + O2 =>
4 Cl + 2 H2O = 4 HCl + O2
NH3*H2O + CO2 = NH4HCO3 =>
NH3*H2O + CO2 = NH4HCO3
Cs2S = Cs2 + S =>
Cs2S = Cs2 + S
Zn + HNO3(conc) = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3(conc) = 3 Zn(NO3)2 + 2 NO + 4 H2O
C2H5Br + KOH = C2H4 + KBr + H2O =>
C2H5Br + KOH = C2H4 + KBr + H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
MgCl2 + K2CO3 = MgCO3 + KCl =>
MgCl2 + K2CO3 = MgCO3 + 2 KCl
CH2O + CuSO4 + NaOH = HCOONa + Cu2O + Na2SO4 + H2O =>
CH2O + 2 CuSO4 + 5 NaOH = HCOONa + Cu2O + 2 Na2SO4 + 3 H2O
NaO + H2O = Na + OH =>
NaO + H2O = Na + 2 OH
CaSO4 = CaO + SO2 + O2 =>
2 CaSO4 = 2 CaO + 2 SO2 + O2
C3H7OH + O = CO2 + H2O =>
C3H7OH + 9 O = 3 CO2 + 4 H2O
PbCl2 = Pb + Cl2 =>
PbCl2 = Pb + Cl2
Mo + HCl = MoCl2 + H2 =>
Mo + 2 HCl = MoCl2 + H2
SrO + H2O = Sr(OH)2 =>
SrO + H2O = Sr(OH)2
CaCl2 + HCl = HCa + Cl =>
CaCl2 + HCl = HCa + 3 Cl
C2H4O + O2 = CO2 + H2O =>
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
CaCO3 + O2 = CaCO5 =>
CaCO3 + O2 = CaCO5
FeCl3 + Na2S + H2O = Fe(OH)3 + NaHS + NaCl =>
FeCl3 + 3 Na2S + 3 H2O = Fe(OH)3 + 3 NaHS + 3 NaCl
Li + Sn(SO3) = Li2SO3 + Sn =>
2 Li + Sn(SO3) = Li2SO3 + Sn
Cu(NO3)2 + Na2S = CuS + Na2(NO3)2 =>
Cu(NO3)2 + Na2S = CuS + Na2(NO3)2
Cu2 + SO4 = CuSO4 =>
Cu2 + 2 SO4 = 2 CuSO4
BaCl2 + K2(CO3) = Ba(CO3) + KCl =>
BaCl2 + K2(CO3) = Ba(CO3) + 2 KCl
Cr(s) + HNO3(aq) = Cr(NO3)3 + NO(g) + H2O(l) =>
Cr(s) + 4 HNO3(aq) = Cr(NO3)3 + NO(g) + 2 H2O(l)
Na2WO4 + HCl = H2WO4 + NaCl =>
Na2WO4 + 2 HCl = H2WO4 + 2 NaCl
SO3 + H2 = H2S + H2O =>
SO3 + 4 H2 = H2S + 3 H2O
C4H9OH + CuO = C3H7COH + Cu + H2O =>
C4H9OH + CuO = C3H7COH + Cu + H2O
Li + ZnCl2 = Zn + LiCl =>
2 Li + ZnCl2 = Zn + 2 LiCl
HCl + O2 = H2O + Cl =>
4 HCl + O2 = 2 H2O + 4 Cl
Al + HC1 = AlC13 + H2 =>
2 Al + 26 HC1 = 2 AlC13 + 13 H2
CuO(s) + H2SO4 = CuSO4(aq) + H2O =>
CuO(s) + H2SO4 = CuSO4(aq) + H2O
C7H8O + KMnO4 + H2SO4 = C6H5COOH + K2SO4 + MnSO4 + H2O =>
5 C7H8O + 4 KMnO4 + 6 H2SO4 = 5 C6H5COOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
Ni3P + P = Ni2P =>
2 Ni3P + P = 3 Ni2P
SnCl2 + O2 + HCl = H2SnCl6 + H2O =>
2 SnCl2 + O2 + 8 HCl = 2 H2SnCl6 + 2 H2O
(NH4)2 + CrO4 = CrO3 + N2 + H2O =>
(NH4)2 + 4 CrO4 = 4 CrO3 + N2 + 4 H2O
CuSO4(aq) + NaI(aq) = CuI(s) + NaSO4(aq) =>
CuSO4(aq) + NaI(aq) = CuI(s) + NaSO4(aq)
Pb(NO3)2 + K4[Fe(CN)6] = Pb2[Fe(CN)6] + KNO3 =>
2 Pb(NO3)2 + K4[Fe(CN)6] = Pb2[Fe(CN)6] + 4 KNO3
NaH2PO4 + Ca(OH)2 = Na3PO4 + Ca3(PO4)2 + H2O =>
3 NaH2PO4 + 3 Ca(OH)2 = Na3PO4 + Ca3(PO4)2 + 6 H2O
ZnC2 + H2O = Zn(OH)2 + C2H2 =>
ZnC2 + 2 H2O = Zn(OH)2 + C2H2
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