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4 years ago

Polymerization is the process of linking smaller molecules to form long chains of higher molecular weight. True or False

2 answers:

6 0

True is correct answer.

Polymerization is the process of linking it has a smaller molecules to form has a long chains of higher molecular weight.

Hope it helped you.

-Charlie

laiz [17]4 years ago

6 0

Answer:

True

Explanation:

Polymer is made up of monomers. Monomers are the building block of polymers.

For example, formation of polyethylene from ethylene

H₂C=CH₂ + H₂C=CH₂ → - CH₂-CH₂-CH₂-CH₂-

Ethylene molecules add to one another through addition reaction.

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How many hydrogen atoms are in 89.5 g of<br> C6H6 ?<br> Answer in units of atoms.

Elodia [21]

Solution :

Molar mass of $C_6H_6$ is :

M = 6×12 + 6×1 g

M = 78 g

78 gram of $C_6H_6$ contains $6.022 \times 10^{23}$ molecules.

So, 89.5 gram of $C_6H_6$ contains :

$n = 6.022 \times 10^{23} \times \dfrac{89.5}{78}\\\\n = 6.91 \times 10^{23}$

Now, from the formula we can see that one molecule of $C_6H_6$ contains 2 hydrogen atom . So, number of hydrogen atom are :

$h = 2\times 6.91 \times 10^{23}\\\\h = 1.38 \times 10^{22}\ atoms$

Hence, this is the required solution.

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