You Are Given Pure Samples of Pentane,CH₃CH₂CH₂CH₂CH₃(l),and 1,3-Pentadiene,CH₂=CHCH=CHCH₃(l) $\approx$ S°(1,3-Pentadiene)
D)S°(pentane)= S°(1,3-Pentadiene)+ 2

question 46

Multiple Choice

You are given pure samples of pentane,CH₃CH₂CH₂CH₂CH₃(l) ,and 1,3-pentadiene,CH₂=CHCH=CHCH₃(l) .What prediction would you make concerning the standard molar entropies of pentane,S°(pentane) and 1,3-pentadiene,S°(1,3-pentadiene) ,at 298 K?

• A)S°(pentane)> S°(1,3-pentadiene)
• B)S°(pentane)< S°(1,3-pentadiene)
• C)S°(pentane) \(\approx\) S°(1,3-pentadiene)
• D)S°(pentane)= S°(1,3-pentadiene)+ 2 \(\times\) S°(H₂)
• E)More information is needed to make reasonable predictions.

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