Calculate ΔG o for the conversion of oxygen to ozone; 3 2 O 2 ( g ) → O 3 ( g ) at 298 K , if K P for this conversion is 2 . 47 × 10 - 29 .

Gibb's free energy is given by, ΔG o = − 2 . 303 RTlogK P = − 2 . 303 × 8 . 314 × 298 log ( 2 . 47 × 10 − 29 ) = 163228 J / mol = 163 . 228 kJ / mol

Calculate ΔG o for the conversion of oxygen to ozone; 3 2 O 2 ( g ) → O 3 ( g ) at 298 K , if K P for this conversion is 2 . 47 × 10 - 29 .

Gibb's free energy is given by, ΔG o = − 2 . 303 RTlogK P = − 2 . 303 × 8 . 314 × 298 log ( 2 . 47 × 10 − 29 ) = 163228 J / mol = 163 . 228 kJ / mol

E M B I B E

Intermediate First Year Chemistry>Chapter 6 - Thermodynamics>QUESTIONS>Q 77

HARD

11th Telangana Board

IMPORTANT

Earn 100

Calculate ${ΔG}^{o}$ for the conversion of oxygen to ozone; $\frac{3}{2} O_{2} (g) \to O_{3} (g)$ at $298 K$ , if $K_{P}$ for this conversion is $2.47 \times 10^{- 29}$ .

Important Questions on Thermodynamics

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 6 - Thermodynamics>QUESTIONS>Q 78

State the second law of thermodynamics and explain it.

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 6 - Thermodynamics>QUESTIONS>Q 79

State the third law of thermodynamics. What do you understand by it?

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11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 6 - Thermodynamics>QUESTIONS>Q 80

Explain 'entropy' concept.

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 6 - Thermodynamics>QUESTIONS>Q 81

Explain the spontaneity of a process in terms of Gibbs energy.

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 6 - Thermodynamics>QUESTIONS>Q 82

The sign and magnitude of Gibbs energy change of a chemical process tells about its spontaneity and useful work that could be extracted from it. Explain.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 6 - Thermodynamics>QUESTIONS>Q 83

In a process,

701 J

of heat is absorbed by a system and

394 J

of work is done by the system. What is the change in internal energy for the process?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 6 - Thermodynamics>QUESTIONS>Q 84

The reaction of cyanamide, ${NH}_{2} CN (s)$ , with dioxygen was carried out in a bomb calorimeter and $∆ U$ was found to be $- 742.7 kJ {mol}^{- 1}$ at $298 K$ . Calculate the enthalpy change for the reaction at $298 K$ .
${NH}_{2} CN (g) + \frac{3}{2} O_{2} (g) \to N_{2} (g) + {CO}_{2} (g) + H_{2} O (l)$