H4X - pKa1 = 1.5

H3X 2 - pKa2 = 3.6

H2X 3 - pKa3 = 7.8

HX 4 - pKa4 = 10.9

X 5 - pKa5 = 11.5

8.67

5.45

13.45

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Which answer below correctly identifies the type of change and the explanation for the boiling of water?

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