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gtnhenbr [62]
3 years ago
15

Which property is true for metals?

Chemistry
2 answers:
fenix001 [56]3 years ago
8 0

Answer:

c

Explanation:

edge 2020

jeka943 years ago
6 0
<h2>Answer : Option 3) Low ionization energies</h2><h3>Explanation :</h3>

The reason why metals have low ionization energy is  because the valence electrons experience a weak force of attraction towards the positively charged nucleus.

They are usually in an energy level which is placed far away from the nucleus. This gives metals lower ionization energies. Rest all the statements are not true for metals.


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Which of the following aqueous solutions are good buffer systems?
JulsSmile [24]

0.29 M ammonia + 0.38 M ammonium bromide and 0.22 M hypochlorous acid + 0.18 M hydroiodic acids of aqueous solutions are good buffer systems.

<h3>Buffer Systems:</h3>

A solution that resists pH change when acids or bases are added to it is referred to as a buffer system. Either a weak acid and its salt, or a weak base and its salt, make up buffer systems. The ratio of HX/X- does not considerably alter when an acid or a base is introduced to a buffer.

Solutions known as buffers withstand pH changes when an acid or base is added. A weak base (A) and its conjugate weak acid (HA) are both present in buffers. When a reactive system is in equilibrium, adding a strong electrolyte with one common ion will cause the equilibrium to shift, lowering the concentration of the common ion. Buffers differ from one another in terms of pH range and buffer capacity.

Learn more about buffers here:

brainly.com/question/1385846

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5 0
2 years ago
Оҳvto
galina1969 [7]

There will be 18 oxygen Atoms

3 0
3 years ago
A solution is composed of 1.15 mL of diethyl ether (C4H10O, density=0.7134 g/mL) dissolved in 78.85 mL of dichloromethane (CH2Cl
jeka94

Answer:

Molarityof the solution is 0.1375 M.

Explanation:

We will first find the number of moles of diethyl ether (C4H10O)  by finding its molar mass and measured mass.

Molar mass of diethyl ether (C4H10O) = 74.12 g.

Now, volume of diethyl ether (C4H10O) = 1.15 mL and its density = 0.7134 g/mL.

Therefore,  measured mass of diethyl ether (C4H10O) = volume x  density = 1.15 mL x 0.7134 g/mL = 0.82 g.

Now, number of moles of diethyl ether (C4H10O) = \dfrac{Measured \ mass}{ Molar\ mass}= \frac{0.82\ g}{74.12\ g}

= 0.011 Moles.

Volume of the solution = volume of diethyl ether + volume of dichloromethane = 1.15 mL + 78.85 mL = 80 mL.

Now, molarity of the solution = Number of moles of diethyl ether / Volume of the solution( in  mL) x 1000 =  \dfrac {0.011}{80}\times 1000 = 0.1375\ M

8 0
3 years ago
The only type of movement particles in a solid do is
Nina [5.8K]

Answer

:small vibrational movements.

Explanation:

The particles of a solid are not able to move out of their positions relative to one another, but do have small vibrational movements.

___________________________________________________________

-Darkspirit-

6 0
3 years ago
Name the following alkane molecule:
Sergeu [11.5K]

Answer:

6- bromo- 2-chlorodecane

5 0
3 years ago
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