MEDIUM
11th CBSE
IMPORTANT
Earn 100

State Gibbs–Helmholtz equation and explain its use in predicting the spontaneity of a reaction.

Important Questions on Thermodynamics

MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 41
Explain the terms entropy and free energy. Entropy of a solid substance increase on melting. Explain.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 42
What is meant by free energy of a substance? How is it related to its enthalpy and entropy?
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 43
Explain why is ΔG, the free energy change, called free energy. Define efficiency of a process.
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 44
What is free energy and free energy change? Show that the change in free energy is equal to the useful work done.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 45
Starting with the thermodynamic relationship ΔU=q+w, derive the following relationship: –ΔG=w (non-expansion).
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 46
Explain: Spontaneity
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 46
Explain: Free energy.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 46
Explain. Reversibility.