Question no 11

Dear Student

Kindly find the answer of your asked query.
Energy required to bring the temperature of the ice to zero degree celcius Q1= mcvT
Q1=1×2100×(0-(-10))=21000 J
Energy required to covert it into water.Q2=mL= L
where L is the latent heaand energy required to raise the temp of wateQ3=mCvT=1×4200×100=420000 joule
total energy Q1+Q2+Q3=777000
21000+L +420000=777000
L
 = 336000 Joule/kg

Regards

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