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4 FeSe(s) + Se2(g) = 2 Fe2Se3
Br + FeI2 = BrI + Fe =>
2 Br + FeI2 = 2 BrI + Fe
CH3CHO(g) + O2(g) = CO2(g) + H2O(l) =>
2 CH3CHO(g) + 5 O2(g) = 4 CO2(g) + 4 H2O(l)
CO2 + HCl = CCl2 + HO =>
CO2 + 2 HCl = CCl2 + 2 HO
Ti2NbC2O2 = Nb6C5 + TiC + TiO2 + Nb2O5 =>
10 Ti2NbC2O2 = Nb6C5 + 15 TiC + 5 TiO2 + 2 Nb2O5
CH3COOH + Br = (CH3COO)2Br + H2 =>
2 CH3COOH + Br = (CH3COO)2Br + H2
Ag + CI = AgCI =>
Ag + CI = AgCI
CaCl2(aq) + AgC2H3O2(aq) = AgCl(s) + Ca(C2H3O2)2(aq) =>
CaCl2(aq) + 2 AgC2H3O2(aq) = 2 AgCl(s) + Ca(C2H3O2)2(aq)
CuZn2 + HNO3 = NO + Cu(NO3)2 + Zn2 + H2O =>
3 CuZn2 + 8 HNO3 = 2 NO + 3 Cu(NO3)2 + 3 Zn2 + 4 H2O
Ca + SNCl4 = CaCl4 + SN =>
Ca + SNCl4 = CaCl4 + SN
CoNaS = CoSNa =>
CoNaS = CoSNa
zinc + CuSO4 = copper + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
AlCO3(s) + HCl(aq) = CO2(g) + H2O(l) + AlCl2(aq) =>
AlCO3(s) + 2 HCl(aq) = CO2(g) + H2O(l) + AlCl2(aq)
HCHO + H2 = H3CHO =>
HCHO + H2 = H3CHO
CH3(CH2)10CH3 + O2 = H2O + C =>
2 CH3(CH2)10CH3 + 13 O2 = 26 H2O + 24 C
Ni(OH)2 + Ca(OH)2 = Ca(Ni(OH)3)2 =>
2 Ni(OH)2 + Ca(OH)2 = Ca(Ni(OH)3)2
NH3 + MnCl2 = NH3Cl + MnCl =>
NH3 + MnCl2 = NH3Cl + MnCl
Cr2O3 + KBrO3 + Na2CO3 = KBr + CO2 + Na2CrO4 =>
Cr2O3 + KBrO3 + 2 Na2CO3 = KBr + 2 CO2 + 2 Na2CrO4
Cu{4+} + Fe = Cu + Fe{2+} =>
Cu{4+} + 2 Fe = Cu + 2 Fe{2+}
C12H42 + O2 = CO2 + H2O =>
2 C12H42 + 45 O2 = 24 CO2 + 42 H2O
SO4{-2} + H{+} + Mn{+2} = SO2 + H2O + MnO4{-} =>
5 SO4{-2} + 4 H{+} + 2 Mn{+2} = 5 SO2 + 2 H2O + 2 MnO4{-}
P4 + Ba(OH)2 + H2O = Ba(H2PO4)2 + PH3 =>
4 P4 + 3 Ba(OH)2 + 18 H2O = 3 Ba(H2PO4)2 + 10 PH3
N2 + I2 = NI =>
N2 + I2 = 2 NI
NaF + Zn(NO3)2 = NaNO3 + ZnF2 =>
2 NaF + Zn(NO3)2 = 2 NaNO3 + ZnF2
ZnBr + Na2CO3 = Zn2CO3 + NaBr =>
2 ZnBr + Na2CO3 = Zn2CO3 + 2 NaBr
K2Cr2O7 + Na2SO3 + H2SO4 = K2SO4 + Na4SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 6 Na2SO3 + H2SO4 = K2SO4 + 3 Na4SO4 + Cr2(SO4)3 + H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C6H8O7 + H2O = H3O + C6H6O7 =>
C6H8O7 + 2 H2O = 2 H3O + C6H6O7
Na2CO3(aq) + Al2(SO4)3(aq) = Na2(SO4)3 + Al2(CO3) =>
Na2CO3(aq) + Al2(SO4)3(aq) = Na2(SO4)3 + Al2(CO3)
C4H10 + O2 = C4O4 + H2O =>
2 C4H10 + 9 O2 = 2 C4O4 + 10 H2O
Al + NaOH + H2O = NaAl(HO)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(HO)4 + 3 H2
Cu(s) + HNO3 = Cu(NO3) + H2O + NO2 =>
Cu(s) + 2 HNO3 = Cu(NO3) + H2O + NO2
P4S3 + H2O + NO3{-} + H{+} = H3PO4 + SO4{2-} + NO =>
3 P4S3 + 8 H2O + 38 NO3{-} + 20 H{+} = 12 H3PO4 + 9 SO4{2-} + 38 NO
CuO + CH3Br = CuBr2 + CH3OCH3 =>
CuO + 2 CH3Br = CuBr2 + CH3OCH3
Cu + Zn(NO3)2 = Cu(NO3)2 + Zn2 =>
2 Cu + 2 Zn(NO3)2 = 2 Cu(NO3)2 + Zn2
TeO2 + H2O + NO2 = Te + HNO3 =>
TeO2 + 2 H2O + 4 NO2 = Te + 4 HNO3
KCl + HCl = HKCl + Cl =>
KCl + HCl = HKCl + Cl
C6H10O + KMnO4 = C6H9OOH + C6H9OOK + MnO2 + H2O =>
3 C6H10O + 2 KMnO4 = C6H9OOH + 2 C6H9OOK + 2 MnO2 + H2O
KCl + HCl = HKCl + Cl =>
KCl + HCl = HKCl + Cl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
TeO2 + H2O + NO2 = Te + HNO3 =>
TeO2 + 2 H2O + 4 NO2 = Te + 4 HNO3
KCl + HCl = HKCl + Cl =>
KCl + HCl = HKCl + Cl
C12H22O11 + H2O = H2C12H22O11 + O2 =>
2 C12H22O11 + 2 H2O = 2 H2C12H22O11 + O2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
NH3 + F2 = NF + HF3 =>
NH3 + 5 F2 = NF + 3 HF3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
KCl + HCl = HKCl + Cl =>
KCl + HCl = HKCl + Cl
TeO2 + H2O + NO2 = Te + HNO3 =>
TeO2 + 2 H2O + 4 NO2 = Te + 4 HNO3
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