BPH 111 Theory Questions: Melting vs Vaporization: Phase Changes and Heat Energy Calculations

100 Level Department of Science Laboratory Technology exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.

Questions:

(a) Differentiate between melting and vaporization.

(b) State 3 (three) factors each affecting the following:
i. Boiling point
ii. Melting point
iii. Evaporation

(c) If 2.15×106 J2.15×106J of heat energy is required to convert 0.5 kg of steam to water, calculate the specific latent heat of vaporization of steam.

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