3 years ago

Which of the following statements is true?

Chemistry

1 answer:

cricket20 [7]3 years ago

3 0

Answer:

the correct answer is D

Explanation:

D is correct because it is true and is also used to share experiments with other scientists around the world

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What does the kinetic theory explain?

olya-2409 [2.1K]

I believe the correct answer from the choices listed above is the third option. The kinetic theory explains that heat is due to the motion of molecules. Temperature is the measurement used to measure heat and is directly proportional to the average kinetic energy of the molecules.

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3 years ago

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Answer:

Trying to find out the answer

Explanation:

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4 years ago

Some single cell organisms are similar to blank because they have the ability to blank

Orlov [11]

Explanation:

animals; move

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2 years ago

An insecticide kills many insects, but a few survive. Because of natural selection, which of the following is most likely to hap

shtirl [24]

Answer:

Explanation:

the ones that survived are the ones that had the favorable trait, so they'll be able to reproduce and their offsprings are likely to receive that trait as well.

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3 years ago

1,4-Pentadiene has a AHhydro = -254 kJ/mol while trans-1,3-pentadiene has a AHhydra = -226 kJ/mol. Explain this difference in he

julsineya [31]

Answer:

trans-1,3-pentadiene is more stable than 1,4-pentadiene due to presence of a conjugated double bond.

Explanation:

Here, $\Delta H_{hydro}=H(hydrogenated pdt.)-H(diene)$

H(hydrogenated pdt.) is same for both 1,4-pentadiene and 1,3-pentadiene as they both produce pentane after hydrogenation

H(diene) depends on stability of diene.

More stable a diene, lesser will be it's H(diene) value (more neagtive).

trans-1,3-pentadiene is more stable than 1,4-pentadiene due to presence of a conjugated double bond.

Hence, $\Delta H_{hydro}$ is higher (less negative) for trans-1,3-pentadiene

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4 years ago