Heat capacity of air can be approximately expressed as, Cp = 26.693 + – McqOptions

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1.	Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10-3 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
A.	10.73 kJ
B.	16.15 kJ
C.	18.11 kJ
D.	18.33 kJ
Answer» D. 18.33 kJ

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