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dolphi86 [110]
3 years ago
15

Electrons _______ around the nucleus of an atom.

Chemistry
1 answer:
jolli1 [7]3 years ago
7 0

Answer:

Orbit/Orbital

Explanation:

Elections orbit around the nucleus of an atom.

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The gas with an initial volume of 24.0 L at a pressure of 565 torr is compressed until the volume is 16.0 L. What is the final p
Reil [10]

Answer:

848 torr  

Explanation:

The only variables are the pressure and the volume, so we can use Boyle's Law.

p₁V₁ = p₂V₂

Data:

p₁ = 565 torr; V₁ = 24.0 L

p₂ = ?;            V₂ =  16.0 L

Calculations:

\begin{array}{rcl}p_{1}V_{1} & = & p_{2}V_{2}\\\text{565 torr} \times \text{24.0 L} & = & p_{2} \times \text{16.0 L}\\\text{13 560 torr} & = & 16.0p_{2}\\p_{2} & = & \dfrac{\text{13 560 torr}}{16.0}\\\\& = &\textbf{848 torr}\\\end{array}\\\text{The final pressure of the gas is $\large \boxed{\textbf{848 torr}}$}

8 0
3 years ago
Define valence electrons.
vodka [1.7K]

Answer:

Electrons on the outermost shell of an atom. They are responsible for the chemical properties of an atom.

8 0
3 years ago
What happens to bromine on a molecular level when it is a gas but is then cooled to a liquid?
Goshia [24]
The particles slow down and the attractive forces between particles increase.
4 0
3 years ago
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A solution has an H3O+ concentration of 3.5 x 10^-5 M. Is it acidic or basic?
irakobra [83]

The mass of NaCl produced is 0.117 g.

<h3>What is the pH?</h3>

The pH of a solution is what tells us if the solution is acidic or basic. The solution is acidic if the pH of the solution is less than 7.

1) pH = - log(3.5 x 10^-5 M)

= 4.45

Thus the solution is acidic.

2) We can see that the concentration as given is the concentration of OH^-

[OH ] = 4.0 x 10^-3 M

pOH = -log (4.0 x 10^-3 M)

pOH = 2.39

pH = 14 -  2.39

pH = 11.61

The equation of the reaction is; NaOH + HCl ----- > NaCl + H2O

Number of moles of NaOH =  0.40 M * 10/1000 = 0.004 moles

Number of moles of HCl = 0.20 M  * 10/1000 = 0.002 moles

We can see that HCl is the limiting reactant

Mass of NaCl produced ;

0.002 moles * 58.5 g/mol = 0.117 g

Learn more about reaction:brainly.com/question/3588292

#SPJ1

7 0
2 years ago
_____ is a mixture of dead organic material that can be used as fertilizer
AleksAgata [21]

The answer is compost. It is an organic matter that has been disintegrated and cast-off as fertilizer and soil alteration. This is a significant component in organic farming. The procedure of composting necessitates creating a mound of wet organic substance identified as green wastes – these are leaves, food waste and waiting for the resources to collapse into humus after weeks or months.

7 0
4 years ago
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