Which of the Following Processes Is Endothermic

question 71

Multiple Choice

Which of the following processes is endothermic?

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

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