Which substance is a polymer found in nature? O carpet O cotton O paint O nylon
2 answers:
<u>Answer:</u>
<em>B. Cotton</em>
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<u>Explanation:</u>
A polymer is a macro molecule or gaint molecule which is formed as a chain from many small molecules(which is called as a monomer).
Polymer is a repeating unit of many monomers.
For example
Ethylene or ethane formula is C2H4.
Many ethane molecules under particular temperature and pressure conditions undergo the polymerization process to form polyethene. During this process the double bond breaks and becomes single bond and produces a long chain which we call it as a polymer.
The repeating unit of Cotton polymer is called as Cellubiose which is made up of 2 glucose units.
The number of units which forms the polymer (degree of polymerization) is about 5000 cellubiose units.
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The number of moles that are contained in the given mass of propane ( is 1.7143 moles.
<u>Given the following data:</u>
- Mass of propane = 75.6 grams.
<u>Scientific data:</u>
- The molar mass of propane = 44.1 g/mol.
To calculate the number of moles that are contained in the given mass of propane ():
In this exercise, you're required to determine the number of moles of propane that are contained in the given sample:
Mathematically, the number of moles contained in a chemical compound is given by this formula:
Substituting the given parameters into the formula, we have;
Number of moles = 1.7143 moles.
Read more on number of moles here: brainly.com/question/3173452