EASY
11th CBSE
IMPORTANT
Earn 100

Define the term entropy. How does T∆S determine the spontaneity of a process?

Important Questions on Thermodynamics

HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 36
Derive the criteria for predicting the spontaneity of a process in terms of entropy change ∆Stotal.
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 37
Give at least two statements of the second law of thermodynamics.
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 38
What do you understand by free energy and what is its physical significance?
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 39
What do symbols ΔH, ΔS and ΔG signify? How are they inter-related? What is the importance of the relation formed?
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 40
State Gibbs–Helmholtz equation and explain its use in predicting the spontaneity of a reaction.
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.