Methane can be produced from CO and H 2 . The process might be done in two

Question:

Methane can be produced from CO and H₂. The process might be done in two steps, as shown below, with each step carried out in a separate reaction vessel within the production plant.

Reaction 1 Substance CO(g) + 2 H(g) CHOH() Reaction 2 CHOH() CH4(g) + O(g) CO(g) CHOH() CH4(g) AH (kJ mol-)

You should be able to work this problem without using any additional tabulated data.

(a) Calculate ΔH° for reaction 1.

(b) Calculate ΔG_f^° for CO(g).

(d) At what temperatures is reaction 1 spontaneous?

(e) Suggest a reason why these two steps would need to be carried out separately.

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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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Question Posted: Nov 27, 2023 07:25 AM

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Methane can be produced from CO and H 2 . The process might be done in two

Question:

Reaction 1 Substance CO(g) + 2 H₂(g) → CH₂OH() Reaction 2 CH₂OH() → CH4(g) + O₂(g) CO(g) CH₂OH() CH4(g) AH₂° (kJ mol-¹) -110.5 -238.7 -74.8 AG₁° (kJ mol-¹) AS = -332 J/K - 166.4 AS = +162 J/K Sº (J mol-¹K¹) 197.674 126.8 186.2

Step by Step Answer:

a Calculate H for reaction 1 H for reaction 1 is 332 JKwhich is given in the image b Calculate Gffor COg Gf for COg can be calculated using the follow...View the full answer

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