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4 FeS1 + 7 O2 = 2 Fe2O3 + 4 SO2
CHCl3 = C + H2 + Cl2 =>
2 CHCl3 = 2 C + H2 + 3 Cl2
Fe(s) + CuO(s) = FeO(s) + Cu =>
Fe(s) + CuO(s) = FeO(s) + Cu
Sn(s) + I2(s) = SnI4(s) =>
Sn(s) + 2 I2(s) = SnI4(s)
HCl(aq)NaOH(s) = NaCl(aq)H2O(l) =>
HCl(aq)NaOH(s) = NaCl(aq)H2O(l)
NaOH(s)HCl(aq) = NaCl(aq)H2O =>
NaOH(s)HCl(aq) = NaCl(aq)H2O
V + I2 = VI4 =>
V + 2 I2 = VI4
NiSO4 + KCl = NiCl + KSO4 =>
NiSO4 + KCl = NiCl + KSO4
NaOH(s)HCl(aq) = NaClH2O =>
NaOH(s)HCl(aq) = NaClH2O
Mn(CH3COO)2 + Na2S = MnS + NaCH3COO =>
Mn(CH3COO)2 + Na2S = MnS + 2 NaCH3COO
IPO4 + H2O = I2 + IO3{-} + H2PO4{-} + H{+} =>
5 IPO4 + 9 H2O = I2 + 3 IO3{-} + 5 H2PO4{-} + 8 H{+}
Cs2SO4 + BaBr2 = BaSO4 + CsBr =>
Cs2SO4 + BaBr2 = BaSO4 + 2 CsBr
H2I2 = IH =>
H2I2 = 2 IH
Zn + HNO3 = Zn(NO3)2H2 =>
Zn + 2 HNO3 = Zn(NO3)2H2
HCl(aq)NaOH(s) = NaCl(s)H2O(l) =>
HCl(aq)NaOH(s) = NaCl(s)H2O(l)
C3H4 + Br2 = C3H3Br + HBr =>
C3H4 + Br2 = C3H3Br + HBr
CoCl2 + Li = LiCl + Co =>
CoCl2 + 2 Li = 2 LiCl + Co
Pb(NO3)2 + KJ = PbJ + K(NO3)2 =>
Pb(NO3)2 + KJ = PbJ + K(NO3)2
C10H9O2N + H2O + O2 = CH4N2O + C6H12O6 =>
12 C10H9O2N + 72 H2O + 12 O2 = 6 CH4N2O + 19 C6H12O6
KMnO4 + HCl + KBr = KCl + Br2 + MnCl2 + H2O =>
2 KMnO4 + 16 HCl + 10 KBr = 12 KCl + 5 Br2 + 2 MnCl2 + 8 H2O
PbC2O4 = Pb + C2 + O4 =>
PbC2O4 = Pb + C2 + O4
CH4 + O2 = COCH4 + H2O =>
4 CH4 + 3 O2 = 2 COCH4 + 4 H2O
C4 = C2 =>
C4 = 2 C2
KNO3 + KI + HCl = NO + I2 + KCl + H2O =>
2 KNO3 + 6 KI + 8 HCl = 2 NO + 3 I2 + 8 KCl + 4 H2O
CaCl2 + NH4OH = CaOH + NH4Cl2 =>
CaCl2 + NH4OH = CaOH + NH4Cl2
SrCl2 + Ca = CaCl2 + Sr =>
SrCl2 + Ca = CaCl2 + Sr
H2C2O4(aq) + K2CO3(aq) = K2C2O4(aq) + CO2(g) + H2O(l) =>
H2C2O4(aq) + K2CO3(aq) = K2C2O4(aq) + CO2(g) + H2O(l)
KClO + FeSO4 + H2SO4 = KCl + Fe2(SO4)3 + H2O =>
KClO + 2 FeSO4 + H2SO4 = KCl + Fe2(SO4)3 + H2O
Fe(NO3)3 + H2S = HNO3 + Fe2S3 =>
2 Fe(NO3)3 + 3 H2S = 6 HNO3 + Fe2S3
MnO2 + KCl03 + KOH = K2MnO4 + KCl + H2O =>
MnO2 + KCl03 + 4 KOH = K2MnO4 + 3 KCl + 2 H2O
HNO3 + Br = HNO + O2Br =>
HNO3 + Br = HNO + O2Br
PH3 + H2SO4 + KMnO4 = H3PO4 + K2SO4 + MnSO4 + H2O =>
5 PH3 + 12 H2SO4 + 8 KMnO4 = 5 H3PO4 + 4 K2SO4 + 8 MnSO4 + 12 H2O
Fe(NO3)3 + Na2CO3 = Fe(CO3)3 + Na2NO3 =>
Fe(NO3)3 + 3 Na2CO3 = Fe(CO3)3 + 3 Na2NO3
CH3COOH + Al2(CO3)3 = CO2 + H2O + Al(CH3COO)3 =>
6 CH3COOH + Al2(CO3)3 = 3 CO2 + 3 H2O + 2 Al(CH3COO)3
KMnO4 + Zn = Zn(MnO4) + K =>
KMnO4 + Zn = Zn(MnO4) + K
Fe(OH)3 + Ca(OH)2 = Ca(FeO2)2 + H2O =>
2 Fe(OH)3 + Ca(OH)2 = Ca(FeO2)2 + 4 H2O
CoCl2 + KCN = K2[Co(CN)4] + KCl =>
CoCl2 + 4 KCN = K2[Co(CN)4] + 2 KCl
AlFeCl2*H2O = AlCl2FeH2O =>
AlFeCl2*H2O = AlCl2FeH2O
Ca(ClO)2 + NaCl = NaClO + CaCl2 =>
Ca(ClO)2 + 2 NaCl = 2 NaClO + CaCl2
Ni3(PO4)2 = Ni3 + PO4 =>
Ni3(PO4)2 = Ni3 + 2 PO4
C51H92O6 + H2 = C51H98O6 =>
C51H92O6 + 3 H2 = C51H98O6
Pb(C2H3O2)2 + Li2S = PbS + LiC2H3O2 =>
Pb(C2H3O2)2 + Li2S = PbS + 2 LiC2H3O2
FeU3 + H2S = FeS + H2 + US2 =>
FeU3 + 7 H2S = FeS + 7 H2 + 3 US2
SiO2 + C = Si + CO1 =>
SiO2 + 2 C = Si + 2 CO1
Na2SO4(aq) + Pb(NO3)2(aq) = Na(NO3)(aq) + PbSO4(s) =>
Na2SO4(aq) + Pb(NO3)2(aq) = 2 Na(NO3)(aq) + PbSO4(s)
Al + NaO = Na3AlO3 =>
Al + 3 NaO = Na3AlO3
NH3(aq) + CO2(g) = CH4N2O(aq) + H2O(l) =>
2 NH3(aq) + CO2(g) = CH4N2O(aq) + H2O(l)
KOH + H3PO3 = H2O + K3PO3 =>
3 KOH + H3PO3 = 3 H2O + K3PO3
K(s) + I2(g) = KI =>
2 K(s) + I2(g) = 2 KI
Co(NO3)2 + H2O2 + NaOH = CoO2 + Na(NO3) + H2O =>
Co(NO3)2 + H2O2 + 2 NaOH = CoO2 + 2 Na(NO3) + 2 H2O
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