EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Thermodynamics>JKCET 2017>Q 7

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What will be the enthalpy of formation of toluene considering the data given?
Bond energies of $C - C = 79 kcal, C = C = 135 kcal,$ $C - H = 102 kcal,$ heat of atomisation of $C = 156.8 kcal$ and heat of atomisation of $H = 49.5 kcal$

50% studentsanswered this correctly

Important Questions on Thermodynamics

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Thermodynamics>JKCET 2018>Q 9

What will be the entropy change of the system when expansion of

1

mole of a gas takes place from

3 L

to

6 L

under isothermal conditions? Consider

R = 2 cal K^{- 1} {mole}^{- 1}

and

\log 2 = 0.301 .

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Thermodynamics>JKCET 2018>Q 12

What condition will facilitate the spontaneity of a reaction if

ΔH

and

ΔS

both are negative ?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Thermodynamics>JKCET 2017>Q 13

Which one of the following options is CORRECT for the spontaneity of the reaction?