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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) + Which of the following processes is endothermic? A) K⁺(g) + I⁻(g) → KI(s) B) 2Br(g) → Br<sub>2</sub>(g) C) Ca(s) → Ca(g) D) 2Na(s) + O<sub>2</sub>(g) → Na<sub>2</sub>O(s) E) None of the above processes is endothermic. O2(g) → Na2O(s)
E) None of the above processes is endothermic.

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