Problem Set #43 Thermodynamics - Edubirdie

University:
The Pennsylvania State University
Course:
CHEM 450 | Thermodynamics
Academic year:

2024
Views:

152

Pages:

2
Author:

Alexis H.

Problem Set #43 Assigned: April 17, 2024 Due: April 19, 2024 at 2:30 pm 1. Consider a first reaction that has a standard Gibbs energy of -320 kJ/mol. A second reaction has a standard Gibbs energy of -55 kJ/mol. What is the ratio of their equilibrium constants at 300 K? 2. The standard Gibbs energy of the reaction A 2B is -32.9 kJ/mol at 400 K. What is the value of rG at this temperature when Q = (a) 0.010, (b) 1.00, (c) 10.0, (d) 100,000, (e) 1,000,000. What is the value of K found from rG = -RTln(K)? 3. At 2257 K and 1.00 bar, water is 1.77 per cent dissociated at equilibrium (e.g., Find the value of K from this data. (Note: 2H2O 2 H2(g) + O2(g)) 4. Find the relationship between K and Kc for the reaction H2CO(g) 1 1 ΔG reaction RTink is 2 ΔG RTink reaction iii EEE no I K 3.773109 1.388 1046 ΔrG RTInQ aΔrG RTInQ Δ.GE 53 G 46 010 YYinco me o 0 ΔrG eΔrG ΔrG ink e fooncio.es dΔrG RTink ΔrG T.LI4ooin100.000 38.287k IR hIcQoo 45.944kt in 1,000.000 keE.sic 14 19,790.39 CO(g) + H2(g). = 0.0177). 4 3 A 1 771 0.0177 H2O 1 2 H formed 0 formed 0.0177 2 0.0177 0.9646 0.0354 0.0177 0.0177 0.0177 1.0177 not 09646 00354 PH 984 0.0348 Pa Po 0.9478 9 47 0.0174 10.0349 ΔG a 8.3142257in2.35105 198,915 no 6 198,915 no 235.105 K ke K CRT i no ng Kc k CRT on k CRTs iii 4 cco.ci

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