Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation. The reaction is C2H2(g)+2H2(g)?C2H6(g)
Given the following data, what is the value of Kp for this reaction?
Substance ?G?f
(kJ/mol)
C2H2(g) 209.2
H2(g) 0
C2H6(g) ?32.89
In Part A, we saw that ?G?=?242.1 kJ for the hydrogenation of acetylene under standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K ). In Part B, you will determine the ?G for the reaction under a given set of nonstandard conditions
At 25?C the reaction from Part A has a composition as shown in the table below.
Substance Pressure
(atm)
C2H2(g) 3.85
H2(g) 4.45
C2H6(g)
1.25
Answers: 2
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