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For an isolated system, Delta U = 0, wha...

For an isolated system, `Delta U = 0`, what will be `Delta S`?

Text Solution

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`Delta U = 0` means thermody parameter doesn.t take part in reaction.
`q=0` therefore reaction is spontaneous
`therefore Delta S gt 0 therefore Delta S = +ve`
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Knowledge Check

  • At 300 K one mole ideal gas is expand freely to 100 liter from 10 liter. If Delta U = 0 , then Delta H = ….....

    A
    20 kJ
    B
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  • For the reaction 298 K A_((g)) + B_((g)) to C_((g)) at 298K, Delta U = -5 "cal" and Delta S = -10 "cal" K^(-1). Delta G = …..... "cal" .

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    `2612`
    B
    `2379`
    C
    `261.2`
    D
    `-2612`
  • For the gaseous reaction, at 300 K temperature, value of Delta H - Delta U= - 4.98 KJ., Then Delta n_((g))= …..

    A
    1
    B
    2
    C
    `-2`
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    0
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