Waec Model Questions Vol1 2023 Chemistry Question 24

Practice objective / multiple choice question 24 from the 2023 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Medium Difficulty
Question 24 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

A 2.00 kg block of ice at -10 °C is heated until it becomes liquid water at 20 °C. Given: specific heat capacity of ice = 2.10 J g⁻¹ °C⁻¹, specific heat capacity of water = 4.18 J g⁻¹ °C⁻¹, latent heat of fusion of ice = 334 J g⁻¹. Determine the total heat energy required (in joules).

Answer Options

A. 7.65×10⁵ J
B. 1.02×10⁶ J
C. 9.12×10⁵ J
Correct Answer D. 8.77×10⁵ J
Correct Answer
D
Correct Option:
8.77×10⁵ J

About This Question

This is Waec Model Questions Vol1 2023 Chemistry Question 24. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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