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Author Question: For the reaction CuS(s) + H2(g) H2S(g) + Cu(s), Gf (CuS) = 53.6 kJ/mol Gf (H2S) = 33.6 kJ/mol ... (Read 34 times)

M1ch3a

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on: Nov 5, 2023

Question 1

For the reaction 3H2(g) + N2(g) 2NH3(g), Kc = 9.0 at 350°C.  What is the value of ΔG at this temperature when 1.0 mol NH3, 5.0 mol N2, and 5.0 mol H2 are mixed in a 2.5 L reactor?


Question 2

For the reaction CuS(s) + H2(g) H2S(g) + Cu(s),
         ΔG°f (CuS) = –53.6 kJ/mol
         ΔG°f (H2S) = –33.6 kJ/mol
         ΔH°f (CuS) = –53.1 kJ/mol
         ΔH°f (H2S) = – 20.6 kJ/mol
Will this reaction proceed spontaneously at 298 K and 1 atm pressure?
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by M1ch3a on Nov 5, 2023

dadgoere765

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Reply #1 on: Nov 5, 2023
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M1ch3a

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Reply 2 on: Nov 5, 2023
Wow, this really help

pratush dev

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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