Description
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 J 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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![A solid of mass 0.5kg initially at 50oC melts at 60oC. Calculate the quantity of heat required to melt it completely. [specific heat capacity of the solid =2.0KJ kg-1K-1][Specific latent heat of fusion of solid =1.0 KJ kg-1]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A solid of mass 0.5kg initially at 50oC melts at 60oC. Calculate the quantity of heat required to melt it completely. [specific heat capacity of the solid =2.0KJ kg-1K-1][Specific latent heat of fusion of solid =1.0 KJ kg-1]")
