How
myny moles are present in 5.6x1022 atoms of Ne? (0.09 moles Ne)
Sot ne10.05

Answers

Answer 1

Answer:

mole = no of atoms/ 6.02E23.... so therefore answer= 5.6E22/6.02E23= 0.093✨


Related Questions

An object is either copper or brass. The density of copper is 8.96g/ml. The density of brass is 8.73g/mL. I find that my object is 10.08
and has a volume of 1.15mL. What is my object made of?
Your answer:
O Copper
O Brass
O Cannot tell from the information given

Answers

I like pp hehehehehe hehhe
Penis in my butt.......

Why do acids and bases neutralize eachother?

Answers

Answer:

Explanation:

When an acid and a base are placed together, they react to neutralize the acid and base properties, producing a salt. The H(+) cation of the acid combines with the OH(-) anion of the base to form water. The compound formed by the cation of the base and the anion of the acid is called a salt.

What volume of O2 would be required to react with 4.6 grams of Na

Answers

Volume of O₂ = 1.12 L

Further explanation

The reaction equation is the chemical formula of reagents and product substances  

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products  

Reaction

4Na+O₂ ⇒ 2Na₂O

Ar Na = 23 g/mol

mol Na :

[tex]\tt mol=\dfrac{4.6}{23}=0.2[/tex]

mol O₂ :

[tex]\tt \dfrac{1}{4}\times 0.2=0.05[/tex]

Assume at STP (0 C, 1 atm), 22.4 L for 1 mol , then volume of O₂ :

[tex]\tt 0.05\times 22.4=1.12~L[/tex]

helpppppppppp please
what did max planck discovery?

Answers

Answer:

Max Planck discovered the quantum of action

Explanation:

He discovered the quantum of action

why is diamond hard​

Answers

The outermost shell of each carbon atom has four electrons. In diamond, these electrons are shared with four other carbon atoms to form very strong chemical bonds resulting in an extremely rigid tetrahedral crystal. It is this simple, tightly-bonded arrangement that makes diamond one of the hardest substances on Earth.

Answer: Diamond is hard due to its giant covalent lattice and it has many strong covalent bonds.

Explanation:

Which of the following electromagnetic waves has the most energy on the electromagnetic spectrum?
O A Infrared
O B. X-ray
O C. Gamma
O D. Radio

Answers

Answer:

Gamma rays

Explanation:

The waves with higher frequencies will have higher energies and gamma waves have the highest frequencies on electromagnetic scale ,because of this reason gamma waves is the answer.

what best explains the cause of strong winds on a island?​

Answers

Lack of objects that could be used to slow down the winds, I.e. lack of trees or other natural barriers

3. Except for the bolt, note the difference between the calculated volumes and the volume
found by the displacement method. Which method is more accurate? Why?

Answers

Answer:

Yes Because the calculated volume is more accurate because you are able to measure the smaller dimensions.

~Apex lab

Which statement about sound waves is true?
They can be reflected.
Air travels with them
They travel throughoven
They exist only if heard

Answers

Answer:

Explanation:

They can be reflex lol

What are the physical properties of gases, and how do they change under certain conditions?

Answers

Answer: Gases expand to fill their containers, have a fluid nature, low density, can be compressed, diffuse and effuse - move in small hole spray perfume .

Explanation:

Gases have such an unpredictable nature like fluid, very low density, can be condensed, disperse and effuse move in tiny hole spray fragrance, and they dominate far more room than the fine solids out of which they establish

Because gases are harder to identify directly, gases are defined using four physical qualities or observable characteristics such as temperature, density, particles number, and volatility.

Learn more:

https://brainly.com/question/1369730?referrer=searchResults

Mountain ranges are the result of many different

Answers

Answer:

yea that answer he gave is correct

Explanation:

which of the following affects self esteem? O home, school, community and cultural environments O social interactions with family friends and others O media, tv, social networking sites all the above​

Answers

Answer:

All the above

Explanation:

Alien Periodic Table

Answers

Answer:

IT IS REAL

Look it up

Answer:

look close the answers are circled in blue

the answer to number 2 is element #14, Yorkel

How was Bohr’s atomic model different from rutherfords atomic model

A. Bohr’s model accounted for electrons that have different charges

B. Bohr’s model could explain the structure of the nucleus

C. Bohr’s model showed that electron orbits had distinct radii

D. Bohr’s model could explain the wave nature of electrons

E. Bohr’s model proved that atoms are unstable in the nature

Answers

Answer:

C. Bohr’s model showed that electron orbits had distinct radii

Explanation:

In Rutherford's atomic model, the electrons moved on arbitrary orbits, which was only due to the condition that the Coulomb force acts as a radial force. In Bohr's atomic model, only very specific orbits were allowed, which were determined by Bor's quantum condition.

Answer:

C i agree

Explanation:

Plz help!

Covalent bonding is referred to as “sharing” electrons. Is it really sharing? Why or why not?

Answers

Answer:

yes

Explanation:

because they will bond in order to gain more stability which is gained by forming a full electron shell

5. On a 92 point test, a student scored 87 points. What is their percent error?

Answers

Answer:

Explanation:

5.7471264367816%

Which periodic gruop has the smallest atomic radiis

Answers

Answer:

Helium

Explanation:

Most metals are NOT ____ ? Liquid at room temperature, ductile, malleable, good conductors of heat and electricity.

Answers

Liquid at room temperature

Most metals are not liquid at room temperature. Therefore, option A is correct.

Most metals are not liquid at room temperature, except for a few specific exceptions such as mercury (Hg) and gallium (Ga). These metals have relatively low melting points, which allows them to exist in a liquid state at or near room temperature.

The majority of metals, however, exhibit a solid state at room temperature. This solid state is characterized by a regular arrangement of atoms or ions in a crystal lattice structure. The strength of metallic bonds holds the atoms together, giving metals their solid and rigid form.

To learn more about the metal, follow the link:

https://brainly.com/question/29404080

#SPJ6

I just need an answer for question 3,4 and 5. thank you so much. ​

Answers

Number 3,In 1913,Neils Bohr,a student of Rutherford’s developed a new model of the atom.number 5,the chemical elements are arranged in order of increasing atomic number.elements in the same group have similar chemical properties. Hope this helps!

You crumple a piece of paper in your hands. Not all of the kinetic energy from your hands is used to crumple the paper. Where does the rest of the energy go?
A. It is transformed into sound energy.
B. It is transformed into light energy.
C. It is transformed into electrical energy. D. It is transformed into magnetic energy.​

Answers

Answer:

A

Explanation:

When you crumble a piece of paper it make a sound plus i just did on apex

When we crumple a piece of paper in our hands, a part of the energy is transformed into sound energy. Therefore, option (A) is correct.

What is sound energy?

Sound transmits through the medium such as liquids, gases, and plasma in the form of longitudinal waves or compression waves. It requires a medium to propagate as it can travel through solids as both longitudinal and transverse waves.

Transverse sound waves exhibit waves of alternating shear stress perpendicular to the direction of propagation while Longitudinal sound waves exhibit alternating pressure deviations leading to compression and rarefaction.

Generally, waves move matter up and down but do not carry along.  When we crumple the paper with our hands the kinetic energy of our hands is used to deform the paper but at the same time, we can listen to some sound which indicates that some energy is transformed into sound energy.

Learn more about sound, here:

brainly.com/question/21995826

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2. What type of bonding would be expected between the following atoms?
a. Li and F
c. I and Br
b. Cu and S
d. S and O

Answers

a.) covalent
c.) covalent
b.) ionic
d.) covalent

Considering the definition of covalent and ionic bond, the type of bonding that would be expected between the following atoms is:

Li and F: Ionic Bond I and Br: Covalent Bond Cu and S: Ionic Bond S and O: Covalent Bond

The covalent bond is the chemical bond between atoms where electrons are shared, forming a molecule. Covalent bonds are established between non-metallic elements. These elements have many electrons in their outermost level (valence electrons) and have a tendency to gain electrons to acquire the stability of the electronic structure of noble gas.  

An ionic bond is produced between metallic and non-metallic atoms, where electrons are completely transferred from one atom to another. During this process, one atom loses electrons and another one gains them, forming ions. Usually, the metal gives up its electrons forming a cation to the nonmetal element, which forms an anion.

Taking into account the previous definitions, it is first necessary to know if the elements are metallic or non-metallic:

Lithium Li: Metallic atoms Flour F: Non-metallic atoms Iodine I: Non-metallic atomsBromine Br: Non-metallic atomsCopper Cu: Metallic atoms Sulfur S: Non-metallic atoms Oxygen O: Non-metallic atoms

Now you can determine the type of bond of the following pairs of elements:

Li and F: Metallic atoms - Non-metallic atoms: Ionic Bond I and Br: Non-metallic atoms - Non-metallic atoms: Covalent Bond Cu and S: Metallic atoms - Non-metallic atoms: Ionic Bond S and O: Non-metallic atoms - Non-metallic atoms: Covalent Bond

Learn more:

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Can someone check if I did this right pls

Answers

Answer:

It's right

Explanation:

what is the estimated digit in the number 0.0643

Answers

Answer:

3

Explanation:

Answer:

There are 3 estimated digits.

Explanation:

if 20 ml of carbon dioxide diffuse in 100 second what volume of ozone will diffuse in the same time under similar condition ​

Answers

volume of ozone : 19.15 ml

Further explanation

Graham's law: the rate of effusion of a gas is inversely proportional to the square root of its molar masses or

[tex]\tt \dfrac{r_{CO_2}}{r_{O_3}}=\dfrac{\sqrt{M_{O_3}} }{\sqrt{M_{CO_2}}} }[/tex]

rate of CO₂  , M CO₂ = 44,01 g/mol

[tex]\tt r~CO_2=\dfrac{20~ml}{100~s}[/tex]

rate of O₃, M O₃ = 48 g/mol

[tex]\tt r~O_3=\dfrac{x}{100~s}[/tex]

volume of ozone

[tex]\tt \dfrac{r~{CO_2}}{r~O_3}=\dfrac{\sqrt{48} }{\sqrt{44.01} }\\\\\dfrac{20}{x}=\dfrac{\sqrt{48} }{\sqrt{44.01} }\\\\x=\dfrac{20.\sqrt{44.01} }{\sqrt{48} }=19.15~ml[/tex]

A block weighing 13.15 grams has sides of 11.5 cm, 5.75 cm, and 8.44 cm. What is the density of the block in g/cm?
0.519 g/cm3
0.0236 g/cm3
42.4 g/cm
1.95 g/cm​

Answers

Answer:

B. or .0236

Explanation:

Multiply the 3 sides to get 558.095, then divide the mass and volume to get .0236

Why is it important for you to know the properties and chemical formulas of molecular and ionic compounds? How will this affect your ability to choose one product over another or make decisions about whether to use a certain substance like bleach or drain cleaner? How has learning about atomic structure and compounds changed your understanding of the world around you?

Answers

Answer:

See explanation

Explanation:

It is important to know the properties and chemical formulas of ionic and molecular compounds because, knowledge of the properties of a compound aids you in deciding how to use the compound, how to store it and how dangerous it can be. Knowledge of its formula is the first step towards identifying its properties since most chemicals occur in groups having similar chemical/physical properties.

Knowledge of the chemical properties and formula of bleach and drain cleaner will help you to decide which product is a better cleaning agent based on its chemical composition. This will help you as the user to make  better decision.

Learning about atomic structure has made me to understand that all matter in the universe are composed of atoms. indeed, certain occurrences in nature can only be explained on the basis of atoms involved.

An object has a mass of 20 g and volume of 10 cm. Enter the numerical value for the density of the object in units of g/cmº

Answers

Answer:

density = 2g/cm³

Explanation:

density = mass/volume

mass = 20g

volume = 10cm³

density = 20g/10cm³

density = 2g/cm³

PLEASE ANSWER
A train travels at an average speed of 25 miles per hour. How long does it take the train to travel 2000 miles

Answers

Answer:

80 hours. 2,000 ÷ 25 = 80

A chemical formula is shown below. How many total atoms are in 2 molecules of the chemical formula shown?

C6H12N2O

Answers

Answer: 42

Explanation: I took a quiz and had the same question.

Eugene describes the physical property of a material as “sweet and floral.” What physical property of the material is Eugene most likely observing?

boiling point
shape
hardness
odor

Answers

Answer:

D odor

Explanation:

Answer: odor

Explanation:

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