Questions
How much does the internal energy of 1.0 g of ice at increase as it is changed to water at ? Neglect change in volume.
detailed solution
Correct option is B
The heat needed to melt the ice is ΔQ=mLf=1.0g×80 cal/g=80 calΔW=0∴ΔU=ΔQ=80×4.2 =336 JTalk to our academic expert!
Similar Questions
Consider the following statements.
(A) The steam at 100°C causes more severe burn to human body than the water at 100°C.
(B) The steam has greater internal energy than water due to latent heat of vaporization.
Select the correct option.
(a) (A) is false but (B) is true.
(b) Both (A) and (B) are true.
(c) (A) is true but (B) is false.
(d) Both (A) and (B) are false.
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