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LuckyWell [14K]
3 years ago
13

In an exothermic reaction, energy is

Physics
2 answers:
tester [92]3 years ago
7 0

Answer: Exothermic reactions are reactions or processes that release energy, usually in the form of heat or light. In an exothermic reaction, energy is released because the total energy of the products is less than the total energy of the reactants.

Explanation:

Nutka1998 [239]3 years ago
5 0
  1. In Exothermic reaction energy is Thrown/Relased to the surroundings.
  2. In endothermic reaction, energy is absorbed from the surroundings.

Trick to identify:-

  • Exothermic reaction has +∆H sign on product side
  • Endothermic reaction has -∆H sign on product side or +∆H sign on reactant side
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2 years ago
A 70kg skier moving at 5 m/sec down a slope what is the skier’s momentum
olga2289 [7]

<u><em>Answer:</em></u>

Momentum of the skier is 350 Kg.m/sec

<u><em>Explanation:</em></u>

<u>Momentum of a body can be calculated using the following rule:</u>

P = m * v

<u>where:</u>

P is the momentum of the body

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<u>Substitute with the givens in the above rule to get the momentum of the skier as follows:</u>

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P = 70 * 5

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Hope this helps :)

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3 years ago
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