Find the Temperature at Which K_P = 42

question 2

Multiple Choice

Find the temperature at which K_P = 42.0 for the reaction H₂(g) + I₂(g) 2HI(g) . [Given: at 25°C, for H₂(g) , ΔH°_f = 0, S° = 131.0 J/mol • K; for I₂(g) , ΔH°_f = 62.26 kJ/mol, S° = 260.6 J/mol • K; for HI(g) , ΔH°_f = 25.9 kJ/mol, S° = 206.3 J/mol • K; assume that ΔH° and ΔS° are independent of temperature.]

• A) 1040 K
• B) 168 K
• C) 539 K
• D) 1400 K
• E) 34,200 K

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