Vidyalelo
Metallurgical Engineering · Q4

Metallurgical Thermodynamics and Kinetics

Engineering and GATE · Metallurgical Engineering · question 4

Q4

The specific heat (Cp) of pure iron expressed in J/(mol.K) as a function of temperature T (in K) is given as: Cp = 17.49 + 24.77 × 10-3 T What is the change in the enthalpy of pure iron (in J/mol) when it is heated from 25°C to 700°C?

A.
11200
B.
22400
Answer
C.
28600
D.
-32500

Answer: Option B

Solution

Answer: Option B
No explanation is given for this question Let's Discuss on Board