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3 years ago

Which of the following is not an example of a biological polymer?

Chemistry

1 answer:

Blababa [14]3 years ago

6 0

Answer

Omega-3 fatty acid

Explanation:

The monomers are small units or molecules which join with each other end in a huge to end and give rise to the polymers.

DNA and albumin:

If we talk about albumin it is a protein which is present in eggs. All proteins are made up of monomers of amino acids. Similarly, DNA is also a polymer because it is made up hundreds and thousands of small monomeric units called nucleotides.

glycogen:

It is also a biological polymer where several monomer units of glucose are joined together through alpha acetal linkages.

Omega-3 fatty acid:

It is not a polymer. Its a group of fatty acids that contain a double bond at carbon of 3rd position from one end of the carbon chain that was initiated from methyl group and contains one carboxyl group located at the other molecular end. For example: Alpha-Linelenic acid.

Therefore, Omega-3 fatty acid is the right option.

Hope it helps!

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8moles of Na2Cr2O2 is how much mass

Margaret [11]

$\boxed{\boxed{\mathfrak{ 1\: mole \:of \:Na_2Cr_2O_2\: = \:it's \:Gram\: Mol. \: mass}} }$

$\underline{ \mathfrak{ Gram \:molecular \:mass \:of \: \red{ Na_2Cr_2O_2}}}$

= 2 × 23 + 2 × 52 + 2 × 16

= 182 grams

1 mole of $Na_2Cr_2O_2$ weighs = 182 g

8 moles weigh = 8× 182

= $\mathfrak{\blue {\boxed{\underline {1456 \: grams}}}}$

$\mathfrak{\blue {\boxed{\underline {1. 46 \:kg }}}}$

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2 years ago

How can a material get a charge?

svet-max [94.6K]

Explanation:

By losing or gaining electrons from its outermost orbit

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2 years ago

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F a shell can hold a maximum of 32 electrons, what is the value of n? 2 3 4 5

Arte-miy333 [17]

Answer: 4

Explanation:

Principle Quantum Numbers: This quantum number describes the size of the orbital. It is represented by n.

Azimuthal Quantum Number: This quantum number describes the shape of the orbital. It is represented as 'l'. The value of l ranges from 0 to (n-1). For l = 0,1,2,3... the orbitals are s, p, d, f...

Magnetic Quantum Number: This quantum number describes the orientation of the orbitals. It is represented as $m_l$ . The value of this quantum number ranges from $(-l\text{ to }+l)$ . When l = 2, the value of $m_l$ will be -2, -1, 0, +1, +2.

Given : a f subshell, thus l = 3 , Thus the subshells present would be 3, 2, 1, 0 and thus n will have a value of 4.

Also electrons give are 32.

The formula for number of electrons is $2n^2$ .

$2n^2=32$

$n=4$

Thus principal quantum no will be n= 4.

8 0

2 years ago

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When a substance undergoes a chemical change, the product exhibits different physical properties than the starting material. Des

elena55 [62]

Answer:

I) Change in solubility

II) Change in boiling point

III) Change in colour

Explanation:

A chemical change involves formation of new products and is not reversible.

So, once two liquid solutions are mixed and a chemical change takes place, the new product will have the following:

- a new solubility rate, i.e it will dissolve at a rate different from the two liquid solution

- a new boiling point i.e it takes a new point at which its molecules liberate to yield vapour

- a new colour might be detected, as the individual solution each has its own colour

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3 years ago

What is the correct formula for xenon hexafluoride? XeF XeF6 Xe6F6 Xe6F

Vinil7 [7]

Hexa- means six
"hexa-" and it is in front of the fluoride so that means we have 6 fluorines
Answer:
xenon hexafluoride → $XeFl_{6}$

Any questions?

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3 years ago

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