Which of the Following Processes Is Endothermic

question 91

Multiple Choice

Which of the following processes is endothermic?

• A) Na⁺(g) + Cl⁻(g) → NaCl(s)
• B) 2 F(g) → F₂(g)
• C) Ca(s) → Ca(g)
• D) 2 K(s) + O₂(g) → K₂O(s)
• E) None of the above is endothermic.

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