A Rigid Insulated Box Contains 20

question 5

Multiple Choice

A rigid insulated box contains 20.0 g of He(g) at 25.0° C and 1.00 atm in one compartment and 20.0 g of N₂(g) at 115° C and 2.00 atm in the other compartment. These compartments are connected by a partition that transmits heat. What is the final temperature in the box at thermal equilibrium? (C_v(He) = 12.5 J/K•mol; C_v(N₂) = 20.7 J/K•mol)

• A) 81.0°C
• B) 70.0°C
• C) 58.9°C
• D) 42.3°C
• E) none of these

---

Definitions:

Ethnomethodology

A sociological perspective that examines the everyday methods people use to make sense of and navigate their social worlds.

Internal Strains

Refers to pressures or tensions experienced within an entity, organization, or individual, often leading to challenges in functioning or mental stress.

External Strains

Stressors or pressures from the external environment that impact individuals or groups, potentially leading to social problems or deviance.

Ethnographic Conversational Analysis

A research method that combines the detailed study of cultural practices with the micro-analysis of conversation dynamics to understand social interactions within their cultural context.