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2 Re + 3 O = Re2O3
NH3(g) + H2SO4(aq) = (NH4)2SO4(s) =>
2 NH3(g) + H2SO4(aq) = (NH4)2SO4(s)
HNO3 + Au2(OH)2 = Au2(NO3)2 + H2O =>
2 HNO3 + Au2(OH)2 = Au2(NO3)2 + 2 H2O
FeI3 + (NH4)2CO3 = Fe2(CO3)3 + NH4I =>
2 FeI3 + 3(NH4)2CO3 = Fe2(CO3)3 + 6 NH4I
MgCl2 + CuNO3 = CuCl + Mg(NO3)2 =>
MgCl2 + 2 CuNO3 = 2 CuCl + Mg(NO3)2
Na2SO4 + AgNO3 = Ag2SO4 + NaNO3 =>
Na2SO4 + 2 AgNO3 = Ag2SO4 + 2 NaNO3
CaSO4 + NH3 + H2O + CO2 = CaCO3 + (NH4)2SO4 =>
CaSO4 + 2 NH3 + H2O + CO2 = CaCO3 + (NH4)2SO4
C3H8O + Cr2O7{2-} + H{+} = C3H6O2 + Cr{3+} + H2O =>
3 C3H8O + 2 Cr2O7{2-} + 16 H{+} = 3 C3H6O2 + 4 Cr{3+} + 11 H2O
Na2SO4 + W(NO3)6 = NaNO3 + W(SO4)3 =>
3 Na2SO4 + W(NO3)6 = 6 NaNO3 + W(SO4)3
NH4 + Ba(OH)2 = Ba + NH4(OH) =>
2 NH4 + Ba(OH)2 = Ba + 2 NH4(OH)
C7H14(l) + O2(g) = CO2(g) + H2O(l) =>
2 C7H14(l) + 21 O2(g) = 14 CO2(g) + 14 H2O(l)
K2SO3 + KMnO4 = K2SO4 + KMn =>
4 K2SO3 + KMnO4 = 4 K2SO4 + KMn
N2O3 + SO2 = NO + SO3 =>
N2O3 + SO2 = 2 NO + SO3
NaCl + (NH4)(NO3) = Na(NO3) + (NH4)Cl =>
NaCl + (NH4)(NO3) = Na(NO3) + (NH4)Cl
I{-} + MnO4{-} + H{+} = HIO + Mn{2+} + H2O =>
5 I{-} + 2 MnO4{-} + 11 H{+} = 5 HIO + 2 Mn{2+} + 3 H2O
Na2S(ac) + Na2Cr2O7(ac) + HCl(ac) = S8(s) + CrCl3 + NaCl(ac) + H2O(l) =>
24 Na2S(ac) + 8 Na2Cr2O7(ac) + 112 HCl(ac) = 3 S8(s) + 16 CrCl3 + 64 NaCl(ac) + 56 H2O(l)
KHSO4 + Ca(OH)2 = KOH + Ca(HSO4)2 =>
2 KHSO4 + Ca(OH)2 = 2 KOH + Ca(HSO4)2
AlCl3 + HOH = Al(OH)3 + HCl =>
AlCl3 + 3 HOH = Al(OH)3 + 3 HCl
C2H5OH + HNO3 = C2H5NO3 + H2O =>
C2H5OH + HNO3 = C2H5NO3 + H2O
Zn + S + HBr = ZnBr2 + H2S =>
Zn + S + 2 HBr = ZnBr2 + H2S
Sr + NH3 = Sr(NH2)2 + H2 =>
Sr + 2 NH3 = Sr(NH2)2 + H2
C16H30 + O2 = CO2 + H2O =>
2 C16H30 + 47 O2 = 32 CO2 + 30 H2O
CO2 + NaHCO3 = HCO3 + NaCO2 =>
CO2 + NaHCO3 = HCO3 + NaCO2
NH4NO3 + Cu = N2 + H2O + CuO =>
NH4NO3 + Cu = N2 + 2 H2O + CuO
AgBF4 = AgF + BF3 =>
AgBF4 = AgF + BF3
FeSO4 + CoCl2 + NaBH4 + H2O = FeCo + B(OH)3 + Na2SO3 + NaCl + H2 =>
FeSO4 + CoCl2 + 4 NaBH4 + 11 H2O = FeCo + 4 B(OH)3 + Na2SO3 + 2 NaCl + 13 H2
CH3COOH + AgNO3 = CH3COONO3 + AgH =>
CH3COOH + AgNO3 = CH3COONO3 + AgH
Al{3+} + NO{3-} = AlNO =>
Al{3+} + NO{3-} = AlNO
CaSiO3 + KOH = K2SiO3 + Ca(OH)2 =>
CaSiO3 + 2 KOH = K2SiO3 + Ca(OH)2
O2 + C2H5OH = CO2 + H2O =>
3 O2 + C2H5OH = 2 CO2 + 3 H2O
NaBr + NH4NO3 = BrNO3 + NaNH4 =>
NaBr + NH4NO3 = BrNO3 + NaNH4
CH2O + NaBH4 + H2O = CH3OH + NaOH + BH3 =>
CH2O + NaBH4 + H2O = CH3OH + NaOH + BH3
C3H6N6O6(s) = CO(g) + H2O(g) + N2(g) =>
C3H6N6O6(s) = 3 CO(g) + 3 H2O(g) + 3 N2(g)
CH3(CH2)6CH3(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3(CH2)6CH3(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
Ag2O + HNO3 = Ag(NO3)2 + NO2 + H2O =>
Ag2O + 6 HNO3 = 2 Ag(NO3)2 + 2 NO2 + 3 H2O
Si2 + Cl2 = SiCl4 =>
Si2 + 4 Cl2 = 2 SiCl4
Ga2I6 + F2 = GaF3 + I2 =>
Ga2I6 + 3 F2 = 2 GaF3 + 3 I2
Cr + H2SO4 = Cr2O3 + SO2 + H2O =>
2 Cr + 3 H2SO4 = Cr2O3 + 3 SO2 + 3 H2O
MgO + Fe = Fe2O3 + Mg =>
3 MgO + 2 Fe = Fe2O3 + 3 Mg
C9H18 + O2 = CO2 + H2O =>
2 C9H18 + 27 O2 = 18 CO2 + 18 H2O
GeO2 + H2 = Ge + HO2 =>
2 GeO2 + H2 = 2 Ge + 2 HO2
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
FeSO4 + KI = FeI2 + K2SO4 =>
FeSO4 + 2 KI = FeI2 + K2SO4
*C2H6O + *O2 = CO + H2O =>
*C2H6O + 2*O2 = 2 CO + 3 H2O
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
KMnO4 + NaI + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + I2 + H2O =>
2 KMnO4 + 10 NaI + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 Na2SO4 + 5 I2 + 8 H2O
Cd + C2H5NS = CdS + C2H5N =>
Cd + C2H5NS = CdS + C2H5N
CH3SH(l) + CO(g) = CH3CO(SCH3)(l) + H2S(g) =>
2 CH3SH(l) + CO(g) = CH3CO(SCH3)(l) + H2S(g)
C6H12O6(s) + O2(g) = CO2(g) + H2O =>
C6H12O6(s) + 6 O2(g) = 6 CO2(g) + 6 H2O
Ni(OH)2(s) + H2SO4(aq) = Ni(SO4)(aq) + H2O(l) =>
Ni(OH)2(s) + H2SO4(aq) = Ni(SO4)(aq) + 2 H2O(l)
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