EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Thermodynamics>JKCET 2017>Q 2

EASY

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IMPORTANT

Earn 100

Thermodynamic properties are divided into two broad types: intensive properties and extensive properties. Which of the following is NOT an intensive property?

44.44% 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 3

What will be the heat change at constant volume fo the reaction whose heat change at constant pressure is

- 560 kcal

at

27 ° C ?

The reaction is:

C_{8} H_{16} + 12 O_{2} \to 8 {CO}_{2} + 8 H_{2} O

(Given

R = 2 {calmol}^{- 1} K^{- 1})

HARD

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Thermodynamics>JKCET 2018>Q 4

What will be the enthalpy of reaction

2 NO + O_{2} \to 2 {NO}_{2}

from the given formation enthalpy values ? The standard enthalpy of formation values for

O_{2},

NO

and

{NO}_{2}

are as follows:

O_{2} (g) : 0 kJ / mol, NO (g) : 90.25 kJ / mol

and

{NO}_{2} (g)

:

33.18 kJ / mol

respectively.

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Thermodynamics>JKCET 2019>Q 5

The standard enthalpy of formation for all elements in their standard state is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Thermodynamics>JKCET 2019>Q 6

The heat of neutralisation will be highest in

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

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

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Thermodynamics>JKCET 2019>Q 8

Read the following statements and choose the correct option.

(i)

Burning of rocket fuel is accompanied by increase in entropy.

(ii)

Melting of ice to water is characterised by increase in entropy.

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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 2017>Q 10

What will be the molar entropy change when silver is heated from $227 ° C$ to $727 ° C$ ?

Consider the molar specific heat of $Ag, C_{p} = 5.3 + 0.0028 T$