Solved

Alcohols for Use as Biofuels Can Be Produced from Glucose \longrightarrow

Question 78

Multiple Choice

Alcohols for use as biofuels can be produced from glucose that is obtained from starch and cellulose in plants. Use the information in the table below to determine the temperature range, if any, at which this reaction is spontaneous.
C6H12O6(s) \longrightarrow 2CH3CH2OH(l) + 2CO2(g)  Compound SΔHf[J/(molK) ] Glucose (s) (kJ/mol) 212 Ethanol (l) 1,274161 Carbon dioxide (g) 278214\begin{array} { | c | c | c | } \hline \text { Compound } & & \boldsymbol { S } ^ { \circ } \\& \Delta H _ { \mathrm { f } } ^ { \circ } & { [ \mathbf { J } / ( \mathbf { m o l } \cdot \mathbf { K } ) ] } \\\hline \text { Glucose } ( s ) & ( \mathrm { kJ } / \mathbf { m o l } ) & 212 \\\hline \text { Ethanol } ( l ) & - 1,274 & 161 \\\hline \text { Carbon dioxide } ( g ) & - 278 & 214 \\\hline\end{array}


A) Reaction is spontaneous at high temperatures.
B) Reaction is spontaneous at low temperatures.
C) Reaction is spontaneous at all temperatures.
D) Reaction is not spontaneous at any temperature.
E) Whether the reaction is spontaneous or not cannot be predicted from the information provided.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions