Waec Model Questions Vol1 2017 Chemistry Question 43
Practice objective / multiple choice question 43 from the 2017 Waec Model Questions Vol1 Chemistry examination.
The vapor pressure of water is 23.8 mm Hg at 25 °C and 42.2 mm Hg at 35 °C. Using the two‑point Clausius-Clapeyron equation, estimate the enthalpy of vaporisation (in kJ mol⁻¹) and then predict the vapor pressure at 45 °C. Give the pressure to the nearest whole mm Hg.
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About This Question
This is Waec Model Questions Vol1 2017 Chemistry Question 43. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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