Which of the Following Processes Are Endothermic

question 46

Multiple Choice

Which of the following processes are endothermic?

• A) K⁺(g) + I⁻(g) → KI(s)
• B) 2 Br(g) → Br₂(g)
• C) Ca(s) → Ca(g)
• D) 2 Na(s) + O₂(g) → Na₂O(s)
• E) None of the above are endothermic.

---

Definitions:

Intimate Space Zone

The physical space immediately surrounding an individual, usually reserved for close friends, family, or romantic partners, where personal interactions occur.

Social Distance Zone

A concept in proxemics that describes the physical space preferred between individuals in social interactions, which can vary by culture and relationship.

Paralanguage Cues

Non-verbal elements of communication that complement or alter the meaning of the spoken words, such as tone of voice or pauses.

Verbal Cues

Elements of speech, such as tone, speed, volume, and word choice, which provide additional context or meaning to the spoken message.