Question

14. Ethene can be hydrated to produce ethanol. $C_2H_4(g) + H_2O(l) \rightarrow C_2H_5OH(l)$ Compound Standard free energy of formation, $\Delta G^o$ (kJ mol$^{-1}$) Standard enthalpy of formation, $\Delta H^o_f$ (kJ mol$^{-1}$) Ethene 68 52 Water -237 -286 Ethanol -175 -278 The temperature, in K, at which this reaction just becomes spontaneous, A) 340 B) 240 C) 140 D) 440

Name: 14 ethene can be hydrated to produce ethanol c2h4g h2ol rightarrow c2h5ohl compound standard free energy of formation delta go kj mol 1 standard enthalpy of formation delta hof kj mol 22902
Uploaded: 2024-05-23T17:11:32-08:00
Duration: 2 min 11 s
Channel: David Collins
Description: 14 ethene can be hydrated to produce ethanol c2h4g h2ol rightarrow c2h5ohl compound standard free energy of formation delta go kj mol 1 standard enthalpy of formation delta hof kj mol 22902

          14. Ethene can be hydrated to produce ethanol.
$C_2H_4(g) + H_2O(l) \rightarrow C_2H_5OH(l)$
Compound	Standard free energy of formation, $\Delta G^o$ (kJ mol$^{-1}$)	Standard enthalpy of formation, $\Delta H^o_f$ (kJ mol$^{-1}$)
Ethene	68	52
Water	-237	-286
Ethanol	-175	-278
The temperature, in K, at which this reaction just becomes spontaneous,
A) 340
B) 240
C) 140
D) 440

14 ethene can be hydrated to produce ethanol c2h4g h2ol rightarrow c2h5ohl compound standard free energy of formation delta go kj mol 1 standard enthalpy of formation delta hof kj mol 22902

Added by Jake M.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert David Collins

05/23/2024

Step 1

$\Delta H^o = \sum \Delta H^o_f(products) - \sum \Delta H^o_f(reactants)$ $\Delta H^o = \Delta H^o_f(C_2H_5OH) - [\Delta H^o_f(C_2H_4) + \Delta H^o_f(H_2O)]$ $\Delta H^o = -278 - (52 + (-286)) = -278 + 234 = -44 \, kJ \, mol^{-1}$ Show more…

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14. Ethene can be hydrated to produce ethanol. $C_2H_4(g) + H_2O(l) \rightarrow C_2H_5OH(l)$ Compound Standard free energy of formation, $\Delta G^o$ (kJ mol$^{-1}$) Standard enthalpy of formation, $\Delta H^o_f$ (kJ mol$^{-1}$) Ethene 68 52 Water -237 -286 Ethanol -175 -278 The temperature, in K, at which this reaction just becomes spontaneous, A) 340 B) 240 C) 140 D) 440