For the Reaction
2C(s)+ 2H₂(g) $\rightarrow$ C₂H₄(g) $\Delta$ H_r ^$\omicron$ = +52 $\Delta$

question 73

Multiple Choice

For the reaction
2C(s) + 2H₂(g) $\rightarrow$ C₂H₄(g)
$\Delta$ H_r ^$\omicron$ = +52.3 kJ.mol^-1 >and $\Delta$ S_r ^$\omicron$ = -53.07 J.K.mol^-1 at 298 K.
This reaction will be spontaneous at

• A) no temperature.
• B) all temperatures.
• C) temperatures below 985 K.
• D) temperatures above 985 K.
• E) temperatures below 1015 K.

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