MEDIUM
12th Maharashtra Board
IMPORTANT
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How will you calculate reaction enthalpy from data on bond enthalpies?

Important Questions on Chemical Thermodynamics

EASY
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 4 - Chemical Thermodynamics>Exercises>Q 3
What is the standard enthalpy of combustion? Give an example.
EASY
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 4 - Chemical Thermodynamics>Exercises>Q 3
What is the enthalpy of atomization? Give an example.
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 4 - Chemical Thermodynamics>Exercises>Q 3
Obtain the expression for work done in chemical reaction.
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 4 - Chemical Thermodynamics>Exercises>Q 3
Derive the expression for PV work.
EASY
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 4 - Chemical Thermodynamics>Exercises>Q 3
What are intensive properties? Explain why density is intensive property.
EASY
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 4 - Chemical Thermodynamics>Exercises>Q 3

How much heat is evolved when12 g of CO reacts with NO2? The reaction is 4CO(g)+2NO2(g)→4CO2(g)+N2(g),  ΔrH°=-1200 kJ.

HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 4 - Chemical Thermodynamics>Exercises>Q 4
Derive the expression for the maximum work.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 4 - Chemical Thermodynamics>Exercises>Q 4
Obtain the relatioship between ΔH and ΔU  for gas phase reactions.