Waec Model Questions Vol1 2022 Chemistry Question 22

Practice objective / multiple choice question 22 from the 2022 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2022 Chemistry Objective / Multiple Choice Medium Difficulty
Question 22 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • CHEMISTRY • objective

A 2.00 mol sample of water at 20 °C is heated until it becomes steam at 120 °C. Given: specific heat capacity of liquid water = 4.18 J g⁻¹ K⁻¹, specific heat capacity of steam = 2.01 J g⁻¹ K⁻¹, latent heat of vaporisation of water = 2260 J g⁻¹. Calculate the total heat required for the whole process. Give your answer in kJ (to one decimal place).

Answer Options

Correct Answer A. 94.9 kJ
B. 110.0 kJ
C. 85.3 kJ
D. 102.5 kJ
Correct Answer
A
Correct Option:
94.9 kJ

About This Question

This is Waec Model Questions Vol1 2022 Chemistry Question 22. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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