Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 2>Q 46

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The temperature of the system, decreases in an

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Important Questions on Thermodynamics

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 2>Q 47

In an adiabatic expansion of an ideal gas

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 2>Q 48

For the reaction:

{PCl}_{5} (g) \to {PCl}_{3} (g) + {Cl}_{2} (g) :

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 2>Q 49

For which of the processes is

ΔS

negative

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 2>Q 50

For which reaction from the following,

ΔS

will be maximum

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 2>Q 51

In which of the following cases entropy decreases?

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 2>Q 52

2

moles of an ideal gas at

27 ° C

temperature is expanded reversibly from

2 L

to

20 L .

Find entropy change

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 2>Q 54

The positive value of

∆ S

indicates that _____.

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 2>Q 55

The enthaipy of formation of ammonia is $- 46.0 {kJmol}^{- 1}$ . The enthalpy change for the reaction

$2 {NH}_{3} (g) \to 2 N_{2} (g) + 3 H_{2} (g)$ is: