Waec Model Questions Vol1 2024 Chemistry Question 26
Practice objective / multiple choice question 26 from the 2024 Waec Model Questions Vol1 Chemistry examination.
A 2.00 kg sample of a substance is heated from 20 °C to 150 °C. Its specific heat capacities and phase change data are: solid: c = 0.80 J g⁻¹ °C⁻¹, melting point 50 °C, L_fusion = 60 kJ kg⁻¹; liquid: c = 1.20 J g⁻¹ °C⁻¹, boiling point 120 °C, L_vapour = 200 kJ kg⁻¹; gas: c = 0.70 J g⁻¹ °C⁻¹. Calculate the total heat required for the whole process.
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About This Question
This is Waec Model Questions Vol1 2024 Chemistry Question 26. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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