IB
IBO
Chemistry
October 2023
QP-202310-Chemistry-P1（TZ1）-HL · Question 17
Question (excerpt):
17. Which steps of this reaction have positive enthalpy changes? Na (s) + H2O (l) NaOH (aq) + 1 2 H2 (g) I. Atomization II. Ionization III. Hydration A. I and II only B. I and III only C. II and III…
17. Which steps of this reaction have positive enthalpy changes? Na (s) + H2O (l) NaOH (aq) + 1 2 H2 (g) I. Atomization II. Ionization III. Hydration A. I and II only B. I and III only C. II and III…
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