Who has an aesthetic room

Answers

Answer 1
Me I have a aesthetic room

Related Questions

what is mass of sodium hydroxide NaOH is present in 0.25 mole of sodium hydroxide
pls be quick​

Answers

Finding molar mass of NaOH

We know that

Molar mass of Sodium (Na) = 23 g/mol

Molar mass of Oxygen (O) = 32 g/mol

Molar mass of Hydrogen (H) = 2 g/mol

So,

Mass of 1 mole of NaOH

=> 1 × 23 + 1 × 16 + 1 × 1

=> 23 + 16 + 1

=> 40 g/mol

Now,

Mass = 40 × 0.25

Mass = 10 g

CH4+4S-CS2+2H2S
how many moles of CS2 can be formed by the complete reaction of 10.6 mol of S ​

Answers

Let's check the equation

[tex]\\ \sf\longmapsto {CH_4\atop 1mol}+{4S\atop 4moles}\longrightarrow {CS_2\atop 1mol}+{2H_2S\atop 2moles}[/tex]

4moles of S gives 1 mol of CS21mol of S gives 1/4=0.25mol of CS210.6mol of S gives:-

[tex]\\ \sf\longmapsto 10.6(0.25)=2.65moles\:of\:CS_2[/tex]

Calculate the energy of a proton of light with a frequency of 8.5x1014 Hz.

Answers

Answer:

[tex] \huge{5.632 \times {10}^{ - 19} \: J}[/tex]

Explanation:

The energy of the proton can be found by using the formula

E = hf

where

E is the energy in J

f is the frequency in Hz

h is the Planck's constant which is

6.626 × 10-³⁴ Js

From the question we have

E = 6.626 × 10-³⁴ × 8.5 × 10¹⁴

We have the final answer as

[tex]5.632 \times {10}^{ - 19} \:J[/tex]

Hope this helps you

15 points who can solve help plsss now

Answers

Answer:

C. Al and O2

Explanation:

The reactants are the elements or compounds that is becoming the result

So Al and O2

Hope this helps!

True or false? In giant covalent structures the atoms form strong bonds by sharing electrons.

Answers

Answer:

True

Explanation:

its true don't lie on here please

In giant covalent structures such as graphite or diamond, the atoms form strong bonds by sharing electrons. Therefore, the given statement is true.

What is a covalent bond?

A covalent bond can be defined as a chemical connection formed by the sharing of electron sets between particles. A covalent bond can be created by the mutual sharing of electrons from both atoms.

The pair of electrons that are shared in this kind of bonding is known as the shared or bonding pair. Covalent bonds are the sharing of bonding pairs of electrons that will provide the stability of the atom in its outer shell.

Elements that have very high ionization energies are incapable of exchanging electrons or elements having low electron affinity cannot accept electrons. Covalent bonding between two non-metallic atoms is characterized by the equal sharing of electrons between the atoms and covalent bonds with an electronegativity difference of participating atoms is more than 2.0.

Therefore, a giant structure like a diamond has strong covalent bonds that require a lot of energy to break.

Learn more about covalent bond, here:

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Iridium crystallizes in a face-centered cubic unit cell that has an edge length of 3.833 Å.
(a) Calculate the atomic radius of an iridium atom.
(b) Calculate the density of iridium metal

Answers

a.

The atomic radius of iridium is 1.355 Å

For a face-centered cubic unit cell, with edge length, a and atomic radius r,

we have a² + a² = (4r)²

2a² = 16r²

r² = a²/8

r = a/√8

Since a = 3.833 Å,

Substituting this into the equation, we have

r = a/√8

r = 3.833 Å/√8

r = 3.833 Å/2.828

r = 1.355 Å

So, the atomic radius of iridium is 1.355 Å

b.

The density of iridium metal is 22.67 g/cm³

To find the density of the iridium metal, we need to find the mass of atoms per unit cell.

So, for the face centered cubic iridium atom, there are 6 faces per unit cell × 1/2 atoms per face + 4 corners per unit cell × 1/4 atoms per corner = 3 atoms + 1 atom = 4 atoms per unit cell.

So, the mass of the atoms in the unit cell is m = number of atoms/cell × number of moles/atom × molar mass of Iridium

= 4 atoms/cell × 1 mol/6.022 × 10²³ atoms × 192.22 g/mol

= 768.88/6.022 × 10²³ g/cell

= 127.68 × 10⁻²³ g/cell

= 1.2768 × 10⁻²¹ g/cell

Next, we need to find the volume of the unit cell which is V = a³

= (3.833 Å)³

= (3.833 × 10⁻¹⁰ m)³

= 56.314 × 10⁻³⁰ m

= 5.6314 × 10⁻²⁹ m

So, the density of iridium = mass of unit cell/volume of unit cell

= m/V

= 1.2768 × 10⁻²¹ g/cell ÷ 5.6314 × 10⁻²⁹ m

= 0.2267 × 10⁸ g/m³

= 0.2267 × 10⁸ g/m³ × 10⁻⁶ m³/cm³

= 0.2267 × 10² g/cm³

= 22.67 g/cm³

So, the density of iridium metal is 22.67 g/cm³

Learn more about face-centered cubic unit cell here:

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Which statement concerning simple sugars and amino acids is correct

Answers

Answer:

Is there be suppose a file with this?

Explanation:

what is the empirical formula of cinnamaldehyde?​

Answers

C9H8O. .....................

PLS HELP

Answer this question and I will mark you the braninliest! <3

Answers

Answer:

the left one

Explanation:

heavier means it goes faster

what is the mechanical hound in the book fahrenheit 451

Answers

Explanation:

The Mechanical Hound is a robotic animal that firemen can deploy to hunt and catch fugitives. It can be trained and programmed to hunt its prey very quickly by smell. Once it catches its prey, the Hound injects the person with a sedative; unable to run, the drugged fugitive is easily captured.

how many pounds of gold are present in 1 cubic mile of seawater?

Answers

Answer:

38 pounds of gold in cubic mile of seawater.

What does it mean by solution in salt solution, sugar solution, etc.

Answers

Salt solution means water and salt mixed until dissolved.
Sugar solution means water and sugar mixed until dissolved.

Which pair of elements are in the same period?Hg & PbLi & NaB & ClO & As

Answers

Answer:

Hg Pb are in one, Li and B and O are in one, and NaCl are in one, As is alone

Explanation:

Periods are horizontal

Hope this helps!

what type of elements are involved in covalent bonding

Answers

Answer:

non-metals

Explanation covalent bonds occur between elements that are far apart on the periodic table.

The types of elements that are significantly involved in covalent bonding are known as non-metals.

What is Covalent bonding?

Covalent bonding may be defined as a type of chemical bonding that may involve the mutual sharing of electrons in order to construct electron pairs between atoms of non-metals. These electron pairs which are formed between atoms are known as bonding pairs or shared pairs.

According to the context of this question, covalent bonds are generally formed between nonmetals. While metallic bonds are the type of chemical bonds which are typically formed between the metallic element.

Another type of bonding may also be formed between elements. This type of bonding is known as Ionic bonding. This chemical bonding mat generally arises between metals and non-metals.

Therefore, the types of elements that are significantly involved in covalent bonding are known as non-metals.

To learn more about Covalent bonding, refer to the link:

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plizzz helpppp
consider the photo

Answers

C. Trout
Explanation: the others are all options listed are in a group separate from the trout which is a fish. So the only one diffeeent technically is trout.

a scientist finds an organism that has a single cell without a nucleus.This organism was found in pond water.In which KINGDOM douse it belong?if you can explain

Answers

Archaea (Archaeon ): Single-celled microorganisms without nuclei and with membranes different from all other organisms. Once thought to be bacteria.

Unicellular organism

-A unicellular organism, also known as a single-celled organism, is an organism that consists of a single cell, unlike a multicellular organism that consists of multiple cells. Unicellular organisms fall into two general categories: prokaryotic organisms and eukaryotic organisms.

which best explains why water dissolves most salts?

Answers

Answer:

where are the answers?

Explanation:

Which two elements are found in significant amounts (1% or more) in both the Universe and the human body?

Answers

Answer:

hydrogen and helium is the answer.

Hydrogen and helium

A sample of Ammonia gas at 650mmHg and 15 degree has a mass of 56.8g.calculate the volume occupied by the gas. Take N=14, H=1,R=8.3145jk.

Answers

Answer:

The first thing we have to do is change and state all the units so that we can use our ideal gas law equation ([tex]PV = nRT[/tex]).

650 mmHg is a pressure unit, we have to convert this to kiloPascals. We know that 760 mmHg gives us 101 kPa.

[tex]650 \ mmHg \ * \ \frac{101kPa}{760 mmHg} = 86 \ kPa[/tex]

P = 86kPa

T = 15°C + 273K = 288K

R (Gas constant) = 8.31 kj/mol  

Molar mass of Ammonia ([tex]NH_{3}[/tex]) = (1 x 3) + (14) = 17g/mol

n (moles) = [tex]\frac{mass}{molar \ mass}[/tex] [tex]= \frac{56.8}{17} =[/tex] 3.34 mol

V = ?

Rearrange the equation to solve for Volume:

[tex]V = \frac{nRT}{P}[/tex]

Substitute the values inside:

V = [tex]\frac{(3.34)(8.31)(288)}{(86)} = 93 L (rounded)[/tex]

Therefore 93 L of volume is occupied by the ammonia gas.

What are the base units the SI units are based on?
A-10
B-100
C-1,000
D-1

Answers

Answer:

A-10

Explanation:

In the SI, designations of multiples and subdivision of any unit may be arrived at by combining with the name of the unit the prefixes deka, hecto, and kilo meaning, respectively, 10, 100, and 1000, and deci, centi, and milli, meaning, respectively, one-tenth, one-hundredth, and one-thousandth.

IM NOT SURE PO

Each cart below is pushed across a room with the same amount of force. Which cart will result in the greatest change in speed?

F.A 75 kg cart being pushed with a 200 N force
G.A 125 kg box being pushed with a 200 N force
H.A 350 kg box being pushed with a 200 N force
J.A 450 kg cart being pushed with a 200 N force

Answers

The cart with the greatest change in speed is the cart with a mass of 75 Kg

Acceleration is defined as the change in velocity of an object with time. Also, acceleration is related to the force and mass according to the following equation:

Acceleration (a) = Force (F) / mass (m)

a = F / m

To answer the question, we shall determine the acceleration of each cart.

For cart of mass 75 kgMass (m) = 75 KgForce (F) = 200 NAcceleration (a) =?

a = F / m

a = 200 / 75

a = 2.67 m/s²

For cart of mass 125 kgMass (m) = 125 KgForce (F) = 200 NAcceleration (a) =?

a = F / m

a = 200 / 125

a = 1.6 m/s²

For cart of mass 350 kgMass (m) = 350 KgForce (F) = 200 NAcceleration (a) =?

a = F / m

a = 200 / 350

a = 0.57 m/s²

For cart of mass 450 kgMass (m) = 450 KgForce (F) = 200 NAcceleration (a) =?

a = F / m

a = 200 / 450

a = 0.44 m/s²

From the above illustrations, we can see that the cart with a mass of 75 K has the greatest change in speed (i.e 2.67 m/s²)

Learn more about acceleration: https://brainly.com/question/390784

Answer:

D

Explanation:

F. 200-75=125

G. 20-125=75

H. 350-200=150

J. 450-200=250

250 is the biggest number so it has the biggest change

How many moles of CO2 are produced from 15.6 g of NaHCO3?

Answers

Answer:

0.185moles

Explanation:

1mole of bicarbonate produces 1mole of CO2

so 0.185 mole produces 0.185 moles of CO2

What are 2 substances that will NOT conduct electricity? Plz explain.

Answers

diamond for example, will not conduct electricity as there are no mobile ions or electrons to carry electric charge. all the electrons in the carbon atoms in diamond are used for covalent bonding.

another example is chlorine gas, there are also no mobile electrons to carry electric charge.

most covalent compounds cannot conduct electricity, but most ionic and metallic can. however, there are exceptions of course!

Answer:

Covalent compounds (solid liquid solutions)  

non-metal elements are insulators but not conductors of electricity.

Explanation:

Metal elements and carbon (graphite) are conductors of electricity

Which substances will make a salt when combined?

Vinegar and tea

Soda and wine

Soda and ammonia

Fertilizer and detergent

Answers

Answer:

Soda and wine is the answer to your question.

Explanation:

yo make salt you need a base and an acid. in this case the base is soda and the wine is acid. hope that helps :)

4. If 100.0 g of water is cooled from 25.3°C to 16.9°C, what quantity of
energy has been transferred from the water?

Answers

Answer:

Dived the numbers by each other

Explanation:

25.3/19.9

hydrogen ions ________ acidity of the water which is a key point.

Answers

Answer:

Raise

Explanation:

H+ ions are acidic and lower the PH of water.

why is it dangerous to wear contact lenses in the lab

Answers

Answer:

It is strongly recommended that students do NOT wear contacts lenses in the laboratory. Chemical vapors may penetrate the contact lens material and cause the lens to adhere to one's eye, which could be detrimental to the eye. Goggles are not vapor tight and do not completely eliminate this absorption.

A scientist tested a series of solutions to determine their pH, and recorded the results in this table.


Substance pH
A 9
B 12
C 11
D 14
According to this data, which solution would be most effective at neutralizing a strong acid?


Substance A

Substance B

Substance C

Substance D

Answers

D because strong bases ( and 14 is a strong base ) will make a strong acid neutral

Answer:d

Explanation:

7. What is the mass of 389 cm°of propane if the density is 19.3 g/cm?

Answers

We are given that

Volume of Propane is = 389 cm³Density of Propane is = 19.3 g/cm³

[tex]\qquad[/tex]________________________

As we know

[tex]\qquad[/tex][tex] \pink{\bf\longrightarrow {Mass = Volume \times Density } }[/tex]

[tex]\qquad[/tex][tex] \bf\longrightarrow Mass_{(Propane)} = 389 \times 19.3 [/tex]

[tex]\qquad[/tex][tex] \bf\longrightarrow Mass_{(Propane)} = 7507.7 \: g[/tex]

Hence, Mass of Propane is 7507.7 g.

[tex]\qquad[/tex]______________________

Mass of a substance is the amount of the constituting particles per unit volume. The mass of the [tex]\bold { 389\ cm^3}[/tex] of propane is 7.507 kg.

Mass of a substance is the amount of the constituting particles per unit volume. It is measured in kilograms (kg).

The formula for mass,

M =  v x d

Where,

M - mass

v - volume = [tex]\bold { 389\ cm^3}[/tex]

d - density = 19.3 g/cm

Put the values in the formula,

M =  [tex]\bold { 389\ cm^3}[/tex]  x   19.3 g/cm

M = 7507.7 g

M  = 7.507 kg

Therefore, the mass of the [tex]\bold { 389\ cm^3}[/tex] of propane is 7.507 kg.

To know more about density,

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Sulfur reacts with oxygen to form sulfur dioxide (SO2(g), Delta. Hf = â€"296. 8 kJ/mol) according to the equation below. Upper S (s) plus upper O subscript 2 (g) right arrow upper S upper o subscript 2 (g). What is the enthalpy change for the reaction? Use Delta H r x n equals the sum of delta H f of all the products minus the sum of delta H f of all the reactants. â€"593. 6 kJ â€"296. 8 kJ 296. 8 kJ 593. 6 kJ.

Answers

The enthalpy of this reaction is -296. 8 kJ/mol.

The equation of the reaction is;

S(s) + O2(g) -----> SO2(g)

Recall that the enthalpy of the reaction can be obtained from the formula;

ΔHrxn = ΔHf(products) - ΔHf(reactants)

We know that;

ΔHf S(s) = 0 KJ/mol

ΔHf O2(g) =  0 KJ/mol

ΔHf SO2(g) = -296. 8 kJ/mol

Hence;

ΔHrxn =  -296. 8 kJ/mol - [0 KJ/mol + 0 KJ/mol]

ΔHrxn = -296. 8 kJ/mol

Learn more: https://brainly.com/question/13164491

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