Author Question: The figure represents the spontaneous deposition of iodine in which iodine vapor, I2(g), becomes ... (Read 119 times)

jazziefee · **on:** Feb 15, 2020

Question 1

In figure (1) below oxygen molecules, represented by unshaded spheres, and chlorine molecules, represented by shaded spheres, are in separate compartments. Figure (2) shows the equilibrium state of the system after the stopcock separating the two compartments is opened. Assuming the oxygen and the chlorine behave as ideal gases, what are the signs (+, -, or 0) of ΔH, ΔS, and ΔG for this process?

◦ ΔH = +, ΔS = -, ΔG = +
◦ ΔH = -, ΔS = +, ΔG = -
◦ ΔH = 0, ΔS = -, ΔG = +
◦ ΔH = 0, ΔS = +, ΔG = -

Question 2

The figure represents the spontaneous deposition of iodine in which iodine vapor, I2(g), becomes crystalline iodine solid I2(s): I2(g): → I2(s). What are the signs (+ or -) of ΔH, ΔS, and ΔG for this process?

◦ ΔH = -, ΔS = -, ΔG = -
◦ ΔH = -, ΔS = -, ΔG = +
◦ ΔH = +, ΔS = +, ΔG = +
◦ ΔH = +, ΔS = +, ΔG = -

aham8f · **Reply #1 on:** Feb 15, 2020

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