Please answer Exercises 6, 11, 19, 24, 33, 41 and Problems 1, 2, 3, 4

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51447 Assignment
Please answer Exercises 6, 11, 19, 24, 33, 41 and Problems 1, 2, 3, 4
6) Comparing the conducitivities of the two metals, we find that Aluminum is a better conductor of heat than the  stainless steel, As a result, heat disperses faster in an aluminum pan and the food cooks more evenly on that pan.
7) The stove normally has a raised grate at the bottom. Hence firewood when raised above the bottom of a fireplace on the grate, circulation of air freely is enabled underneath and this facilitates to burn better. 
11) Black colours are good absorbers and radiators of heat.compared to lighter colours such as white and silver, black helps better at heating a room because of its good absorbance and radiation.
19) When you add a little hot tea to ice, the energy from tea will not be sufficient to melt all the ice. But some ice will be melted and evaporated thus the thermal energy of tea was used for melting some part of ice and evaporation into steam.
24) Steam is the stage of water at 100 degree.

Please answer Exercises 6, 11, 19, 24, 33, 41 and Problems 1, 2, 3, 4

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