Answered: 1. A 400-gm aluminum can is filled with…

1. A 400-gm aluminum can is filled with 2 liters of water at 30°C. A 100-gm lead is heated to 300°C and then dropped into the can What will be the resulting temperature of the mixture?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

1. A 400-gm aluminum can is filled with 2 liters of water at 30°C. A 100-gm lead is heated to
300°C and then dropped into the can What will be the resulting temperature of the
mixture?
2. How many kilo joules(kJ) of heat needed to change 0.5 kg of water at 27°C to steam 110°C.

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