Question

A 3 cm cube of iron one face at 100 degree centigrade and the other in a block of ice at

Answer 1

Answer:

Step-by-step explanation:

Heat used in changing the state of m gram of the substance,

Put the values from question in the above formula ,you will get the answer..

Answer 2

Answer:

ml/t=ka(@1-@2)/l=0.2×3×3(100)÷3

m(80)÷10×60=0.2×3×3(100)/3

m=2×3×100×6/4

m=450gm

Step-by-step explanation:

here @1-@2 is temperature difference