Question

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Answer 1

Answer:

Step-by-step explanation:

∫Qdt= Lf*m

where,

Lf = latent heat of ice at fusion(0c) = 0.334x10^6 J kg^-1

m = mass of ice = 0.5 kg

heat required = 0.33*10^(6)*0.5 = 167000j

Answer 2

Answer:

Refers to this given attachment...