Use the table below to answer the questions that follow.
Thermodynamic Quantities for Selected Substances at 298.15 K (25°C)
-Consider the reaction:

Given the following table of thermodynamic data at 298 ^oK:

The value of K for the reaction at 25 °C is .

Question

Use the table below to answer the questions that follow.
Thermodynamic Quantities for Selected Substances at 298.15 K (25°C)

-Consider the reaction:
Use the table below to answer the questions that follow. Thermodynamic Quantities for Selected Substances at 298.15 K (25°C) -Consider the reaction: Given the following table of thermodynamic data at 298 oK: The value of K for the reaction at 25 °C is . A) 8.4 × 104 B) 1.4 × 108 C) 9.3 × 1015 D) 150 E) 1.1 × 10- 16

Given the following table of thermodynamic data at 298 ^oK:
Use the table below to answer the questions that follow. Thermodynamic Quantities for Selected Substances at 298.15 K (25°C) -Consider the reaction: Given the following table of thermodynamic data at 298 oK: The value of K for the reaction at 25 °C is . A) 8.4 × 104 B) 1.4 × 108 C) 9.3 × 1015 D) 150 E) 1.1 × 10- 16

The value of K for the reaction at 25 °C is .

Quizplus · Accepted Answer

Using the equation:
ΔG° = -RTlnK
ΔG° = (-217.2 kJ/mol) - (-394.4 kJ/mol) + (2(-285.8 kJ/mol)) - (2(-0 kJ/mol)) = 178.2 kJ/mol
R = 8.314 J/mol K
T = 298 K
178.2 kJ/mol = -8.314 J/mol K * 298 K * ln(K)
ln(K) = -60.27
K = e^(-60.27) = 9.3 × 10^-16

Use the Table Below to Answer the Questions That Follow