Neco Model Questions Vol1 2022 Chemistry Question 6
Practice essay / theory question 6 from the 2022 Neco Model Questions Vol1 Chemistry examination. This question covers States of Matter, Heat capacity, Phase change, Enthalpy, Molar mass .
A 250 g sample of a pure substance X has a melting point of 120 °C and a boiling point of 350 °C. Its specific heat capacities are: solid 0.80 J g⁻¹ K⁻¹, liquid 0.95 J g⁻¹ K⁻¹, gas 0.70 J g⁻¹ K⁻¹. The molar heat of fusion is 6.0 kJ mol⁻¹ and the molar heat of vaporisation is 35 kJ mol⁻¹. The molar mass of X is 50.0 g mol⁻¹.
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This is Neco Model Questions Vol1 2022 Chemistry Question 6. It is one of the essay questions from the 2022 Neco Model Questions Vol1 Chemistry examination.
The question covers States of Matter, Heat capacity, Phase change, Enthalpy, Molar mass .
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