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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![Ice of mass 10g at 5ºC was completely converted to water at 0ºC, calculate the quantity of heat used. [specific heat capacity of ice = 2.1 Jg-1K-1, specific latent heat of fusion of ice = 336 Jg‾¹]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Ice of mass 10g at 5ºC was completely converted to water at 0ºC, calculate the quantity of heat used. [specific heat capacity of ice = 2.1 Jg-1K-1, specific latent heat of fusion of ice = 336 Jg‾¹]")
