Neco Model Questions Vol1 2018 Chemistry Question 4
Practice objective / multiple choice question 4 from the 2018 Neco Model Questions Vol1 Chemistry examination.
The vapour pressure of a liquid X follows the relation \(\log_{10} P = A - \frac{B}{T}\) where \(P\) is in kPa and \(T\) in K. Experimental data give \(P = 12.0\) kPa at \(350\) K and \(P = 45.0\) kPa at \(380\) K. Using the Clausius-Clapeyron equation, estimate the enthalpy of vapourisation \(\Delta H_{vap}\) of X in kJ mol\(^{-1}\).
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About This Question
This is Neco Model Questions Vol1 2018 Chemistry Question 4. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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