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Which is an irreversible procees ? (A)...

Which is an irreversible procees ?
(A) Mixing of two gases by diffusion
(B) Evaporation of water at 373 K and 1 atm pressure
(C) Dissolution of `NaCl` in water
(D) Burning of coal
the correct answer

A

A, B

B

B, C

C

A, B, C

D

A, C, D

Text Solution

Verified by Experts

The correct Answer is:
D
All natural processes are thermodynamically irreversible.
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Knowledge Check

  • Arrange the steps in sequence for the manufacture of common salt. (a)Recrystallization (b)Evaporation of sea water (c)Addition of sodium iodide and potassium iodide (d)Dissolution in water (e ) Formation of crude salt

    A
    bedac
    B
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    C
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    D
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  • For the process : H_(2)O (l, 1 atm, 373 K) rArr H_(2)O(g, 1 atm, 373 K) [Given normal boiling point of water = 373 K at 1 atm pressure.] The correct set of thermodynamic parameter is :

    A
    `DeltaG = 0, Delta U lt 0, Delta H lt 0`
    B
    `DeltaS_("totale") = 0, q gt 0, DeltaS_(surr) lt 0`
    C
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    D
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  • Molality of an aqueous solution that produce an elevation of boiling point of 1.00 K at 1 atm pressure. K_(b) for water is 0.512 K kg mol^(-1)

    A
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    B
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    C
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    D
    `5.12m`

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