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3 years ago

The sum of potential and kinetic energies in the particles of a substance is called _______ energy.

Chemistry

2 answers:

Cloud [144]3 years ago

5 0

I think the sum of potential and kinetic energies in the particles of a substance is called the internal energies ?

White raven [17]3 years ago

5 0

Answer: Mechanical energy

Explanation:

Mechanical energy of a body can be defined as the sum of potential energy and kinetic energy of a system.

The conservation of mechanical energy states that the sum of kinetic energy and potential energy in a system remains constant.

The only condition is the forces acting on it should be conservative forces.

Example: Running of a dog. It is its mechanical energy that is allowing a dog to run by the combination of kinetic and potential energy.

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Answer: The correct answer is: " endothermic . "

______________________________________

Note: Heat flows into [heat may be absorbed within] an "endothermic" reaction or system

To the contrary, heat flows out  [heat may exit from or may be released from] an "exothermic" reaction or process.

Hint: Think of the "prefixes" of: "endothermic" and "exothermic" :

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_____________________________________

Hope this is helpful to you!

Best wishes to you in your academic pursuits

—and within the "Brainly" community"!

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