A. 2/9ºC
B. 4/9ºC
C. 9/2ºC
D. 9/4ºC
Correct Answer:
Option B = 4/9ºC
Explanation
Using the law of conservation of energy
mc△θ = mgh
△θ = gh/c=10×20/450 = 4/9ºC
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![Calculate the energy required to vapourize 50g of water initially at 80°C.[specific heat capacity of water = 2260Jg‾¹K‾¹] [specific latent heat of vaporization of water = 2260Jg‾¹]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Calculate the energy required to vapourize 50g of water initially at 80°C.[specific heat capacity of water = 2260Jg‾¹K‾¹] [specific latent heat of vaporization of water = 2260Jg‾¹]")
