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Heat capacity of air can be approximately expressed as Cp =...

This question belongs to Chemical Engineering Stoichiometry
Stoichiometry
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Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 × 10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to -100°C is

Answer & Solution
Correct Answer: Option C
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Mayank Chauhan
Mayank Chauhan 5 years ago
As specific heat is not constant , we have to integrate the term with respect to dt
Change in Enthalpy ( molar) = integration (Cp)dt
Answer : 18.11 kJ
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