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Author Question: Given the following free energies of formation:GfC2H2(g)209.2 kJ/molC2H6(g)32.92 kJ/molcalculate Kp ... (Read 52 times)

V@ndy87

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Question 1

Given the following data, calculate the normal boiling point for formic acid (HCOOH).
 
ΔHf°(kJ/mol)
(J/mol K)
HCOOH(l)
-410.
130.0
HCOOH(g)
-363
251.0
 


0.39 °C
388 °C
661 °C
279 °C
115 °C

Question 2

Given the following free energies of formation:
 
ΔGf°
C2H2(g)
209.2 kJ/mol
C2H6(g)
–32.92 kJ/mol
calculate Kp at 298 K for C2H2(g) + 2H2(g) C2H6(g)


97.7
1.10
7.95 × 1030
2.76 × 1042
None of these is within a factor of 10 of the correct answer.


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Marked as best answer by V@ndy87 on Mar 21, 2021

nekcihc358

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V@ndy87

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Reply 2 on: Mar 21, 2021
Excellent


skipfourms123

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Reply 3 on: Yesterday
Gracias!

 

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