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butalik [34]
3 years ago
10

At which pesan pressure lowest The image shows a representation of mountains of various heights, numbered 1, 2, and 3 The plami

tabeled number 4 OOOO​

Chemistry
1 answer:
ira [324]3 years ago
4 0

1 is the lowest pressure.........

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Write the balanced equation for the neutralization reaction between HI and Ba(OH)2 in aqueous solution. Include physical states.
frutty [35]

Balanced chemical reaction: 2HI(aq) + Ba(OH)₂(aq) → BaI₂(aq) + 2H₂O(l).

Ionic reaction: 2H⁺ + I⁻(aq) + Ba²⁺ + 2OH⁻(aq) → Ba²⁺ + 2I⁻(aq) + 2H₂O(l).

Net ionic reaction: 2H⁺ + 2OH⁻(aq) → 2H₂O(l).

Barium iodide is salt that dissolves in water, barium hydroxide is strong base that dissolves in water.

This is example of double replacement reactions(double displacement or metathesis reactions), two ionic compounds are exchanged, making two new compounds .

3 0
4 years ago
Where is most of Earth’s fresh water found?
puteri [66]

Answer:

ice caps and glaciers

Explanation:

Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps.

6 0
4 years ago
Read 2 more answers
In the united states, east coast pollutants get blown to​
3241004551 [841]

Explanation:

smoking is the main reason

4 0
3 years ago
Who developed the first scientific atomic theory?
Annette [7]

Answer:

John Dalton

Explanation:

John Dalton (1766-1844) is the scientist credited for proposing the atomic theory. This theory explains several concepts that are relevant in the observable world.

7 0
2 years ago
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 <u>vibration of the bonds</u> by using the energy that is in this region of the electromagnetic spectrum. For each bond, there is <em>a specific energy that generates a specific vibration</em>. 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 <u>lower the wavenumber we will have less energy</u>. 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 <u>heteroatoms</u> (atoms different to carbon I hydrogen) on the right side of the carbonyl group. These atoms allow the production of <u>resonance structures</u> 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 <u>cyclohexanone.</u>

See figure 1

I hope it helps!

4 0
4 years ago
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