At 50 C, the ion-product constant for H 2 O has the value K w = 5.48

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At 50 °C, the ion-product constant for H₂O has the value K_w = 5.48 x 10-¹⁴.

(a) What is the pH of pure water at 50 °C?

(b) Based on the change in Kw with temperature, predict whether ΔH is positive, negative, or zero for the autoionization reaction of water:

2H₂O(l) ⇌ H₃O⁺(aq) + OH^-(aq)

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Chemistry The Central Science

ISBN: 978-0134414232

14th Edition

Authors: Theodore Brown, H. LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward, Matthew Stoltzfus

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Question Posted: Nov 29, 2022 06:34 AM

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At 50 C, the ion-product constant for H 2 O has the value K w = 5.48

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The ionproduct constant for water Kw is defined by the following equa...View the full answer

Chemistry The Central Science

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