HARD
11th CBSE
IMPORTANT
Earn 100

Derive the relationship between heat of reaction at constant pressure qp and heat of reaction at constant volume qv or Derive the equation: ΔH=ΔU+(Δn)RT..

Important Questions on Thermodynamics

MEDIUM
11th CBSE
IMPORTANT
What do you understand by Cp and Cv? Derive a relationship between them.
HARD
11th CBSE
IMPORTANT
Explain the calculations involved in the determination of heat of combustion by bomb calorimeter?
HARD
11th CBSE
IMPORTANT
Briefly explain the term 'standard heat of formation'. What is standard state of an element and what is its value for the standard heat of formation?
HARD
11th CBSE
IMPORTANT
What is the basic difference between heat of formation and heat of reaction? Illustrate with suitable examples.
HARD
11th CBSE
IMPORTANT
State Hess's law of constant heat summation. How does it follow from the first law of thermodynamics?
EASY
11th CBSE
IMPORTANT
Define the term 'bond enthalpy'. Why an average value is taken in the polyatomic molecules?
MEDIUM
11th CBSE
IMPORTANT
What is meant by average energy? In what way is it different from bond energy of a diatomic molecule? Give suitable examples.
MEDIUM
11th CBSE
IMPORTANT
Explain spontaneous and non-spontaneous processes.