Asked by Amy

1. a) using heat exchange and conservation of thermal energy determine the specific latent heat of fusion for ice.

b) determine the percentage error
The data we determined was:

Hot water: mass - 0.1kg initial temp-87C final temp - 56 C

Melted ice: mass - 0.024 kg Initial temp - 0 final temp - 32C

And then ice was the same as melted ice except the final temp was 0C.

So I don't really understand how to do a, and then for b I understand that it would be mv-av/av×100%

I know that there's different stages in the heating of ice and it would go q2=mct q3=mct, etc. But I just don't really get why or how to do it.

thank you so much for your help

Answers

Answered by Sss
Find the amount of heat required to convert 2 kg of ice at -10°C into steam at 100°C.
Given specific heat capacity of ice is 0.5 cal/g °C, specific heat capacity of water is 1 cal/g °C,
latent heat of fusion of ice is 80 cal/g & latent heat of vaporization of water is 540 cal/g
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