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Author Question: Estimate rG for the following reaction at 387 K.HCN(g) + 2H2(g) CH3NH2(g)rH= -158.0 kJ mol-1; rS= ... (Read 74 times)

serike

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Question 1

Estimate ΔrG° for the following reaction at 449.0 K.

CH2O(g) + 2H2(g) → CH4(g) + H2O(g)ΔrH°= -94.9 kJ mol-1; ΔrS°= -224.2 J K-1 mol-1

◦ -4.2 kJ mol-1
◦ +2.4 kJ mol-1
◦ +5.8 kJ mol-1
◦ -101 kJ mol-1
◦ +12.9 kJ mol-1

Question 2

Estimate ΔrG° for the following reaction at 387 K.

HCN(g) + 2H2(g) → CH3NH2(g)ΔrH°= -158.0 kJ mol-1; ΔrS°= -219.9 J K-1 mol-1

◦ -72.9 kJ mol-1
◦ -92.5 kJ mol-1
◦ +243 kJ mol-1
◦ +84.9 kJ mol-1
◦ -188 kJ mol-1


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Marked as best answer by serike on Nov 18, 2019

yotaSR5

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serike

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Reply 2 on: Nov 18, 2019
Thanks for the timely response, appreciate it


ryhom

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Reply 3 on: Yesterday
:D TYSM

 

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