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
C. 28600
D. -32500
Answer: Option B
Related Questions on Metallurgical Thermodynamics and Kinetics
A. Heat of any system
B. entropy of any system
C. phase of any system
D. none of these
What are the types of entropy?
A. Thermal entropy
B. Configurational entropy
C. Both A and B
D. None of these

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