Gamma Question Bank for Medical Chemistry>Chapter 6 - Thermodynamics>EXERCISE>Q 28

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An ideal gas is allowed to expand from $5 L$ to $15 L$ once rapidly and once very slowly. The magnitude of work done in two processes are $W_{1}$ and $W_{2}$ , they are related as

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Important Questions on Thermodynamics

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Gamma Question Bank for Medical Chemistry>Chapter 6 - Thermodynamics>EXERCISE>Q 29

Correct statement about 'heat' and 'work' is that

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Gamma Question Bank for Medical Chemistry>Chapter 6 - Thermodynamics>EXERCISE>Q 30

For one mole of a diatomic gas $γ$ is equal to

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Gamma Question Bank for Medical Chemistry>Chapter 6 - Thermodynamics>EXERCISE>Q 31

The enthalpy of reaction is maximum in which of the following reaction?

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Gamma Question Bank for Medical Chemistry>Chapter 6 - Thermodynamics>EXERCISE>Q 32

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On the basis of Hess's law of constant heat summation, choose the correct relation:

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Gamma Question Bank for Medical Chemistry>Chapter 6 - Thermodynamics>EXERCISE>Q 33

In which of the following

ΔH = ΔU

?

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Gamma Question Bank for Medical Chemistry>Chapter 6 - Thermodynamics>EXERCISE>Q 34

Heat of combustion of

{CH}_{4}, C_{2} H_{4}

and

C_{2} H_{6}

are

- 890, - 1411

and

- 1560 kJ / mol

respectively. Which has the lowest calorific fuel value in

kJ / g

?

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Gamma Question Bank for Medical Chemistry>Chapter 6 - Thermodynamics>EXERCISE>Q 35

The heat of neutralisation of four acids

P, Q, R, S

are

- 13.7, - 9.4, - 11.2

and

- 12.4 kcal

, respectively when they are neutralised by a common base. The acidic character obeys the order

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Gamma Question Bank for Medical Chemistry>Chapter 6 - Thermodynamics>EXERCISE>Q 36

Heat of neutralisation of

NaOH

and

HCl

is

- 57.46 {kJeq}^{- 1}

. The heat of ionisation of water is in

kJ

is