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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] - Erudites Academy
Physics WAEC

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]

A. 113,000J
B. 117,200J
C. 234,400J
D. 420,000J

Correct Answer: Option B

B. 117,200J

Explanation

mcθ + ML = 50 x 4.2 x 20 + 50 x 2260

= 117,200J

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4 years ago

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