3 years ago

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

1 answer:

7 0

I believe the correct answer from the choices listed above is the third option. It is amino acid that is not an example of a polymer. It is a large molecule, or macromolecule, composed of many repeated subunits. Hope this answers the question.

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At what point on the hill will the car have zero gravitational potential energy? A) Half-way down the hill. B) At the top of the

rewona [7]

The answer is C...........

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3 years ago

Can you tell the difference between an element and compound by measuring mass and volume?

vivado [14]

Yes, you can!

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2 years ago

Consider the reaction. PCl5(g)↽−−⇀PCl3(g)+Cl2(g) K=0.042 The concentrations of the products at equilibrium are [PCl3]=0.18 M and

tatyana61 [14]

Answer: The equilibrium concentration of $PCl_5$ is 1.285 M.

Explanation:

The chemical equation for the decomposition of phosphorus pentachloride follows:

$PCl_5(g)\rightleftharpoons PCl_3(g)+Cl_2(g)$

The expression for equilibrium constant is given as:

$K_c=\frac{[PCl_3][Cl_2]}{[PCl_5]}$

We are given:

$K_c=0.042$

$[PCl_3]=0.18M$

$[Cl_2]=0.30M$

The concentration of solid substances are taken to be 1. Thus, they do not appear in the equilibrium constant expression.

Putting values in above equation, we get:

$0.042=\frac{0.18\times 0.30}{[PCl_5]}$

$[PCl_5]=1.285$

Hence, the equilibrium concentration of $PCl_5$ is 1.285 M.

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3 years ago

Help its rlly hard pls

Blizzard [7]

Answer:

Volume

Explanation:

Volume is the amount of space taken up or occupied by an object.

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3 years ago

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Guys, please, please help!!

shutvik [7]

Ookay

1) T
2) T
3) F

Hope i helped :)

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3 years ago

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