• # question_answer The equilibrium ${{H}_{2}}O(l)\rightleftharpoons {{H}_{2}}O(\upsilon )$ is attained in a closed container at 40°C. The aqueous tension of water at 40° C is 23 mm. What is ${{K}_{p}}$ for the said equilibrium?

${{K}_{p}}={{p}_{{{H}_{2}}O\,(\upsilon )}}\,=23\,\text{mm}$.