Which word or phrase means, " An organism that lives in or on another organism and harms it?" 1 Parasite 2Classification 3Contam
2 answers:
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Answer:
<u>Polymerization process(Addition)</u>
Explanation:
<u>Polymerization </u>: The process in which small units called monomers combine to produce large mass compound is called polymerization reaction.These large masses are also called macromolecules.
The formation of polymers can occur by addition or condensation process .
<u><em>Addition</em></u> : In addition reaction small units add to previous units
<em><u>Condensation</u></em> : In condensation , a small molecule like water , carbon dioxide get eliminated when the unit attach to previous unit.
Some natural polymers are Proteins , carbohydrates , lipids , cellulose.
Polythene = addition polymerisation also known as Chain growth polymerisation.
This occur in three steps:
1. Chain Initiation : The start of the reaction occurs with the radical. These are generated from some organic peroxide and have general representation:
2 . Chain Growth = When the small units goes on adding to the previous units , Chain length increases and this is called chain growth.
3. Chain Termination = The chain continues to grow more and more until not forced to stop. This termination of chain growth is called chain termination
<u>Answer:</u> The force that must be applied is 15 N.
<u>Explanation:</u>
Force exerted on the object is defined as the product of mass of the object and the acceleration of the object.
Mathematically,
where,
F = force exerted = ?
m = mass of the object = 3 kg
a = acceleration of the object =
Putting values in above equation, we get:
Hence, the force that must be applied is 15 N.