

Stoichiometry - Engineering
Q1: 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 isA 10.73 kJ
B 16.15 kJ
C 18.11 kJ
D 18.33 kJ
ANS:C - 18.11 kJ To find the heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to -100°C, we can use the equation for heat capacity provided: 𝐶𝑝=26.693+7.365×10−3𝑇Cp=26.693+7.365×10−3T Where:
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