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AIIMS2019ChemistryThermodynamics (C)

At 25^ C , when 1 mole of butane is heated, CO ₂ and liquid H ₂ O are formed, then the work done is

Options

  1. A75.6 ~L atm
  2. B85.6 ~L atm
  3. C50.3 ~L atm
  4. Dnone of these.

Correct answer

B. 85.6 ~L atm

Step-by-step solution

aligned & C ₄ H _ 10(g) + 13 2 O _ 2(g) 4 CO _ 2(g) +5 H ₂ O _ (l) & n_g=4- (1+ 13 2 )=- 7 2 & w=- n_g R T=- (- 7 2 0.0821 298 ) & =85.63 ~L ~atm aligned

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