Are atoms of gold the same as antoms of oxygen? yes or no?

Chemistry

1 answer:

schepotkina [342]2 years ago

8 0

Answer:

No they are not the same the are both di

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In which of the following compounds does the carbonyl stretch in the IR spectrum occur at the lowest wavenumber?

klio [65]

Answer:

a. Cyclohexanone

Explanation:

The principle of IR technique is based on the vibration of the bonds by using the energy that is in this region of the electromagnetic spectrum. For each bond, there is a specific energy that generates a specific vibration. In this case, you want to study the vibration that is given in the carbonyl group C=O. Which is located around 1700 cm-1.

Now, we must remember that the lower the wavenumber we will have less energy. So, what we should look for in these molecules, is a carbonyl group in which less energy is needed to vibrate since we look for the molecule with a smaller wavenumber.

If we look at the structure of all the molecules we will find that in the last three we have heteroatoms (atoms different to carbon I hydrogen) on the right side of the carbonyl group. These atoms allow the production of resonance structures which makes the molecule more stable. If the molecule is more stable we will need more energy to make it vibrate and therefore greater wavenumbers.

The molecule that fulfills this condition is the cyclohexanone.

See figure 1

I hope it helps!

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How many molecules of HCI would react with 2 moles of AI?

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A:6.02+3H2

Explanation:

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2 years ago

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Question 3

stepladder [879]

This must be your work, otherwise it's against the Brainly code of conduct. If you need help finding a newspaper, go to BBC. They have plenty of relevant articles.

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1 year ago

List 4 ways that exercise affects the circulatory system and the respiratory system? Give me a good answer please

KengaRu [80]

<h2>Long term benefits</h2>

Increased heart rate.
Increased breathing rate.
Increase in systolic blood pressure.
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2 years ago

Equal amounts of four gases are placed in identical containers at the temperatures that are noted below. Samples of Gases at Dif

Alborosie

Answer : S) 33.2 °C

Explanation : When the equal amounts of gases are placed in identical containers but subjected to different temperatures would exert pressure in different amount which will in turn increase the rate of collision between the molecules of gas.

So, when the temperature is increased to maximum greater amount of force would be exerted and the gas molecules will collide with a larger force. Hence the answer will be as the highest temperature i.e. 33.2 °C

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2 years ago

Are atoms of gold the same as antoms of oxygen? yes or no?​

Are atoms of gold the same as antoms of oxygen? yes or no?