Waec Model Questions Vol1 2023 Chemistry Question 17

Practice objective / multiple choice question 17 from the 2023 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Medium Difficulty
Question 17 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

Water boils at 100 °C (373 K) under a pressure of 1.00 atm. Its enthalpy of vaporisation is 40.7 kJ mol⁻¹ and can be assumed constant over the temperature range considered. Estimate the boiling point of water at a pressure of 0.80 atm using the Clausius-Clapeyron equation. Give your answer in °C to one decimal place.

Answer Options

Correct Answer A. 93.8
B. 90.5
C. 95.2
D. 92.1
Correct Answer
A
Correct Option:
93.8

About This Question

This is Waec Model Questions Vol1 2023 Chemistry Question 17. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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