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 <span> is a large molecule, or macromolecule, composed of many repeated subunits. Hope this answers the question.</span>

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Determine the mass of CO2 formed if 15 grams of C4H10

Svetlanka [38]

Answer:

$m_{CO_2}=45gCO_2$

Explanation:

Hello there!

In this case, since the combustion of butane is:

$C_4H_{10}+\frac{13}{2} O_2\rightarrow 4CO_2+5H_2O$

Thus, since the molar mass of butane is 58.12 g/mol and that of carbon dioxide is 44.01 g/mol, we obtain the following mass of CO2 product:

$m_{CO_2}=15gC_4H_{10}*\frac{1molC_4H_{10}}{58.12gC_4H_{10}} *\frac{4molCO_2}{1molC_4H_{10}} *\frac{44.01gCO_2}{1molCO_2} \\\\m_{CO_2}=45gCO_2$

Best regards!

4 0

3 years ago

A man went to a gas station and asked the attendant to inflate the low front tire. When the attendant finished, the constant(s)

OLga [1]

None of above. only temperature stays constant.

5 0

3 years ago

The mass of a rock sample is 25 g and its density is 5 g/cm3. What is the volume of the rock sample?

Fynjy0 [20]

Answer:

5cm cubic.

Explanation:

Volume =Mass ÷ Density × 1cm cubic

6 0

3 years ago

Consider the following reaction.

Andrews [41]

The conjugate base of H2O is H2O

6 0

2 years ago

The surface tension of water _is because it's molecules form_.

Furkat [3]

Answer: water has a high surface tension because the water molecules on the surface are pulled together by strong hydrogen bonds. That means a drop of water will ´´want´´ to have the smallest possible surface area. The shape that has the smallest possible area for a given area is a sphere.

Explanation:hope this helps!

3 0

3 years ago