Igcse Model Questions Vol1 2021 Chemistry Question 6
Practice essay / theory question 6 from the 2021 Igcse Model Questions Vol1 Chemistry examination. This question covers States of Matter .
A 10.0 g sample of an unknown solid (substance X) is heated in a calorimeter. The heating is carried out from –20 °C to 150 °C. The relevant data for X are: • Specific heat capacity of the solid, cₛ = 1.0 J g⁻¹ K⁻¹ • Melting point = 30 °C, heat of fusion L_f = 60 J g⁻¹ • Specific heat capacity of the liquid, cₗ = 0.8 J g⁻¹ K⁻¹ • Boiling point = 120 °C, heat of vaporisation L_v = 220 J g⁻¹ • Specific heat capacity of the gas, c_g = 0.6 J g⁻¹ K⁻¹ No heat loss to the surroundings occurs.
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This is Igcse Model Questions Vol1 2021 Chemistry Question 6. It is one of the essay questions from the 2021 Igcse Model Questions Vol1 Chemistry examination.
The question covers States of Matter .
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