Igcse Model Questions Vol1 2018 Chemistry Question 36
Practice objective / multiple choice question 36 from the 2018 Igcse Model Questions Vol1 Chemistry examination.
A 50 g sample of a substance is heated from \(20^{\circ}\text{C}\) to \(120^{\circ}\text{C}\). Its specific heat capacities are: solid \(0.5\ \text{J g}^{-1}\text{K}^{-1}\), liquid \(0.8\ \text{J g}^{-1}\text{K}^{-1}\), gas \(0.6\ \text{J g}^{-1}\text{K}^{-1}\). The melting point is \(30^{\circ}\text{C}\) with a latent heat of fusion \(80\ \text{J g}^{-1}\); the boiling point is \(100^{\circ}\text{C}\) with a latent heat of vaporisation \(200\ \text{J g}^{-1}\). Calculate the total energy required to raise the sample from \(20^{\circ}\text{C}\) to \(120^{\circ}\text{C}\).
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About This Question
This is Igcse Model Questions Vol1 2018 Chemistry Question 36. It is one of the objective questions from the 2018 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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