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Vant Hoff's Equation and Effect of Temperature on Equilibrium Constant

What is the v...

Question

What is the value of $Δ H_{A B}$ (in kJ) for a fluid in given process represented in the figure? Heat supplied during the process = 2740 kJ.

40 kJ

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400 kJ

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1640 kJ

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None of these

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Solution

The correct option is D None of these
$P Δ V = 1 b a r \times 2 m^{3}$
$P Δ V = 2 b a r m^{3}$
$P Δ V = 200000 J = 200 k J$
$Δ H = - 2740 k J + 200 k J$
$Δ H = - 2540 k J$

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