For the Reaction 3Fe(s)+ C(s) Fe₃C(s) $\Delta$ H° = 21 KJ/mol And

question 19

Multiple Choice

For the reaction 3Fe(s) + C(s) Fe₃C(s) , $\Delta$ H° = 21 kJ/mol and $\Delta$ S° = 20.4 J/mol·K at 25°C.Estimate the minimum temperature above which the formation of cementite (Fe₃C) is favored.

• A)1.0°C
• B)970°C
• C)700°C
• D)1000°C
• E)760°C

---

Definitions:

Bytes

A unit of digital information in computing and telecommunications that most commonly consists of eight bits, representing a binary number.

LAN

Local Area Network refers to a computer network that interconnects computers within a limited area such as a residence, school, or office building.

WAN

Wide Area Network, a telecommunications network that extends over a large geographical distance, used to connect different local area networks (LANs) to allow for communication between them.

Ethernet

A family of technologies for local area networks (LANs) that facilitates the interconnection of computers and devices.