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Lerok [7]
3 years ago
13

Which statement is true about the particles of a solid when the solid

Chemistry
2 answers:
Vikki [24]3 years ago
8 0
2) Their kinetic energy increase.
ira [324]3 years ago
6 0

Answer:

2) Their kinetic energy increases.

Explanation:

The particles have more kinetic energy because they move around more when they are a liquid.

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Which of the following salts is the least soluble in water?
Anettt [7]
A. Strontium Phosphate 

Solubility product constant is an equilibrium constant for the maximum amount of solute that can dissolve to form an aqueous solution. The value of the constant describes a solution which is saturated. 

The greater the solubility product constant, the more soluble a solute is in the liquid. Consequently, the smaller the constant, the less soluble the solute is. The following list shows the solubility product constants of the given compounds in aqueous solutions at 298K in decreasing order:

Thallium Bromide - 3.71×10–6
Copper Iodide - 1.27×10<span>–12
</span>Silver Bromide - 5.35×10–13
Silver Arsenate - 1.03×10–22
Mercury Bromide - 6.40×10–23
Strontium Phosphate - 1×10–31
<span>
The salt with the smallest solubility product constant is strontium phosphate, and therefore is the one which is least soluble in water. 

</span>
7 0
4 years ago
Read 2 more answers
Explain why the following chemical equation represents a Lewis acid-base reaction. H+ + NH3 —&gt;NH4+
lozanna [386]

Answer:

Due to an electron-pair acceptor and donor.

Explanations:

<em><u>Lewis acid</u></em> can be defined as an electron-pair acceptor. An example is Hydrogen ion(H+). This is because it is a proton and it distributes positive charge which means that it accepts electrons(negative charge).

<em><u>Lewis base</u></em> can be defined as an electron-pair donor. This is because it donates electrons to be accepted by the proton. An example is ammonia(NH3).

7 0
3 years ago
Which of the following substances is most likely to be a liquid at room temperature?
nikitadnepr [17]

Answer:

The correct answer is d.hydrogen peroxide H₂O₂H₂O₂

Explanation:

Substances can be found in nature in different <em>aggregation states. </em>

Agreggation states can be liquid, gas or solid.

The problem asks about which substance can be found in room temperature as <em>liquid.</em> Each subtances has different physical and chemical properties that determines in which state you can find them at room temperature.

Hydrogen peroxide is the only substance listed that is in liquid state at room temperature, all other substances are in gas state at room temperature.

3 0
3 years ago
When the pH decreases from 6 to 3, the hydrogen ion, H+, increases by what?
Irina-Kira [14]

pH decreases as the hydrogen ion concentration increases.

<u>Explanation:</u>

When there is a decrease in pH, that is pH decreases from 6 to 3 then the acidity increases.

That is the pH is between 1 to 7 then it is acidic

When the pH is 7 then it is neutral

When the pH is between  7 to 14 then it is basic

As the H⁺ ion concentration increases, then the pH value decreases, here pH decreases from 6 to 3.

So the concentration of Hydrogen ion increases, pH decreases.

3 0
3 years ago
How can i make an aloe vera hair mask​
Shtirlitz [24]
Mix aloe vera and honey or olive oil if you want. the internet says yogurt but thats disgusting so dont do that but if you wanna do that then thats fine go for it.
5 0
3 years ago
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