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Vesnalui [34]
3 years ago
13

GIVING BRAINLIST ASAP

Chemistry
1 answer:
Elza [17]3 years ago
3 0

Answer:

Increases

Explanation:

As ice melts into liquid water, the kinetic energy of the particles increases.

This is because to melt ices, heat energy is supplied.

  • The sum total of all the average speed of the particles in a substance is the heat energy.
  • Heat is a form of kinetic energy.
  • As more heat is added, the particles moves rapidly and the kinetic energy increase.
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Binary ionic compound of calcium and oxygen
Vlad1618 [11]
Socratic helps for you page
7 0
3 years ago
Noble gas compounds like KrF, XeCl, and XeBr are used in excimer lasers. Draw an approximate molecular orbital diagram appropria
Aneli [31]

Answer:

Here's what I get.

Explanation:

The MO diagrams of KrBr, XeCl, and XeBr are shown below.

They are similar, except for the numbering of the valence shell orbitals.

Also, I have drawn the s and p orbitals at the same energy levels for both atoms in the compounds. That is obviously not the case.

However, the MO diagrams are approximately correct.

The ground state electron configuration of KrF is

(1\sigma_{g})^{2}\, (1\sigma_{u}^{*})^{2} \, (2\sigma_{g})^{2} \, (2\sigma_{u}^{*})^{2} \, (3\sigma_{g})^{2} \,  (1\pi_{u})^{4} \, (1\pi_{g}^{*})^{4} \, (3\sigma_{g}^{*})^{1}

KrF⁺ will have one less electron than KrF.

You remove the antibonding electron from the highest energy orbital, so the bond order increases.

The KrF bond will be stronger.

6 0
4 years ago
15 points
castortr0y [4]

Answer:

The number of proton of magnisium = 12

4 0
3 years ago
Classify the following reaction: When dissolved sodium chloride reacts with dissolved silver nitrate in water, aqueous sodium ni
Gnesinka [82]

Answer:

A

Explanation:

8 0
4 years ago
The student collects the H2 (g) produced by the reaction and measures the volume
BARSIC [14]

The question is incomplete, the complete question is;

The student collects the H2(g) produced by the reaction and measures its volume over water at 298 K after carefully equalizing the water levels inside and outside the gas-collection tube, as shown in the diagram below. The volume is measured to be 45.6mL . The atmospheric pressure in the lab is measured as 765 torr , and the equilibrium vapor pressure of water at 298 K is 24 torr .(i) The pressure inside the tube due to the H2(g)

Answer:

741 torr

Explanation:

From the question we can see that the atmospheric pressure in the lab is 765 torr.

The vapour pressure of water = 24 torr

From Dalton's law of partial pressure, we know that;

Total pressure = Pressure of the H2 + Partial pressure of water vapour

Therefore;

Pressure of H2 = Total pressure - Partial pressure of water vapour

Pressure of H2 = 765 torr - 24 torr = 741 torr

7 0
3 years ago
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