Fine the heat necessary to turn 0.4kg of ice at -20 degrees Celsius into water at...

Fine the heat necessary to turn 0.4kg of ice at -20 degrees Celsius into water at 10 degrees Celsius.

Expert Solution

heat required Q = m*c*delta T1+m*L+mc*delta T2 delta T1 = 0-(-20)= 20, delta T2 = 10 -0 = 10

= m(c*delta T1 +L+c*delta T2)

= 0.4(4.18*20+334*10^3 + 0.4*4.18*10)

= 133640.128 J

genius_generous answered 2 hours ago

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