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Lynna [10]
3 years ago
5

Science question need answer fast

Chemistry
1 answer:
MissTica3 years ago
3 0
Linnaeus

(I hope this helps!)
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Which result occurs during an exothermic reaction?(1 point)
vekshin1

The result which occurs during an exothermic reaction is: C. Light and heat are released into the environment.

A chemical reaction is defined as a chemical process involving the continuous transformation and rearrangement of either the ionic, atomic or molecular structure of chemical elements, especially through the breakdown and formation of chemical bonds, so as to produce a new chemical compound.

Basically, the two (2) main types of chemical reaction are;

  • <u>Endothermic reaction:</u> this is a chemical reaction in which heat is absorbed .

<u>Exothermic reaction:</u> this is a chemical reaction in which light and heat is liberated (released) into the environment.

In an exothermic chemical reaction, light and heat energy is liberated (released) when the energy of the products is lesser than the energy of the reactants.

In conclusion, light and heat is liberated (released) into the environment during an exothermic reaction.

Read more: brainly.com/question/24222328

6 0
3 years ago
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Which of the following requires a critical mass?
scoundrel [369]

Answer:

A) fission

Explanation:

Fission reactions require a critical mass. The critical mass is necessary because it makes a fission reaction self sustaining. This critical mass is the minimum amount of material required. Nuclear fission additionally depends on the composition, purity and concentration of the fissile material. Critical mass is important in the design of nuclear warheads.

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How is an animal cell related to tissue and organs
ycow [4]
Each part of the body of an animal is made up of cells.
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Why do trees produce carbon dioxide (CO2) at night?.
TiliK225 [7]

Answer:

Because photosynthesis ceases due to the lack of sunlight.

Explanation:

Plants typically absorb CO2 and release oxygen, but they also “exhale” CO2, particularly at night, when photosynthesis ceases due to the lack of sunlight. Forests also emit more CO2 when they are stressed by increasing temperatures.

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atomic size of element increasing with increasing in number of shell in the third period of periodic table name the smallest ele
Mars2501 [29]

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Argon (Ar) is smallest element in 3rd period in periodic table.

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