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    Exam 10: Spontaneity, Entropy, and Free Energy
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    Given the Following Free Energies of Formation: Calculate K<sub>p</sub>
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Given the Following Free Energies of Formation: Calculate Kp

Question 100

Question 100

Multiple Choice

Given the following free energies of formation: Given the following free energies of formation:   calculate K<sub>p</sub> at 298 K for C<sub>2</sub>H<sub>2</sub>(g)  + 2H<sub>2</sub>(g)   C<sub>2</sub>H<sub>6</sub>(g) . A)  2.72 × 10<sup>42</sup> B)  1.24 × 10<sup>31</sup> C)  97.2 D)  9.07 × 10<sup>-1</sup> E)  None of these is within a factor of 10 of the correct answer. calculate Kp at 298 K for C2H2(g) + 2H2(g) Given the following free energies of formation:   calculate K<sub>p</sub> at 298 K for C<sub>2</sub>H<sub>2</sub>(g)  + 2H<sub>2</sub>(g)   C<sub>2</sub>H<sub>6</sub>(g) . A)  2.72 × 10<sup>42</sup> B)  1.24 × 10<sup>31</sup> C)  97.2 D)  9.07 × 10<sup>-1</sup> E)  None of these is within a factor of 10 of the correct answer. C2H6(g) .


A) 2.72 × 1042
B) 1.24 × 1031
C) 97.2
D) 9.07 × 10-1
E) None of these is within a factor of 10 of the correct answer.

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