Heat naturally flows from an object that has a _______ temperature to an object that has a _ temperature. Heat can be made to flow in the reverse direction if _ is done. A machine can never have an efficiency of _. This means that heat energy can never be fully converted into _________ energy.

Question

21-01-2021
Physics

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Heat naturally flows from an object that has a _______ temperature to an object that has a _ temperature. Heat can be made to flow in the reverse direction if _ is done. A machine can never have an efficiency of _. This means that heat energy can never be fully converted into _________ energy.

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hamzaahmeds hamzaahmeds · Answer 1 · 2021-01-25T11:17:48+01:00

Answer:

higher, lower, external work, 100 %, work.

Explanation:

These paragraphs refer to the second law of thermodynamics. There are two statements for the second law of thermodynamics. They are as follows:

KELVIN STATEMENT:

All the heat from a source can never be transferred to the sink without the rejection of some heat.

CLAUSIUS STATEMENT:

Heat can not be transferred from a colder body to a hotter body without the application of som external work.

According to the statements the blanks can be filled as follows:

Heat naturally flows from an object that has a higher temperature to an object that has a Lower temperature. Heat can be made to flow in the reverse direction if external work is done. A machine can never have an efficiency of 100 %. This means that heat energy can never be fully converted into work energy.

delgadoestrella022 delgadoestrella022 · Answer 2 · 2021-07-20T03:03:35+02:00

Answer:

Heat naturally flows from an object that has a ______high_________ temperature to an object that has a ______lower_________ temperature. Heat can be made to flow in the reverse direction if _______work________ is done. A machine can never have an efficiency of ______100%_________. This means that heat energy can never be fully converted into _______mechanical energy________ energy.

Explanation: This is all derived from the Principles of the Second Law of Thermodynamics.