Why can't we separate azeotropes with the distillation process?.

Answers

Answer 1

Answer:

have just recently learnt the theory of fractional and normal distillations and the basics of maximum and minimum boiling azeotropes.


Related Questions

What type of reaction is this? CH4 + O2>CO2+ H2O

Answers

Answer:

methane or octane is exothermic

Explain why the place of aluminum in the reactivity wagon seems to be unsuitable.

Answers

Answer:

Acids react with most metals.

When an acid reacts with a metal, the products are a salt and hydrogen.

This is the general word equation for the reaction: metal + acid → salt + hydrogen

Explanation:

A laboratory assistant needs to prepare 35. 2 liters of hydrogen at 25. 0°C and 101. 3 kilopascals. This is the equation for the reaction: 2HCl Ca → H2 CaCl2 What volume of 2. 3 M hydrochloric acid is required to produce this much gas? Use the ideal gas resource. A. 0. 625 L B. 0. 876 L C. 1. 18 L D. 1. 25 L.

Answers

The ideal gas equation states that the volume is directly proportional to the moles and temperature but inversely to pressure. The volume required is 1.25 L.

What is the ideal gas equation?

An ideal gas is the hypothetical gas equation that depicts the relation of the temperature, pressure, volume and moles of the substance of the gas.  It is given as,

[tex]\rm PV = nRT[/tex]

Where,

The pressure of hydrogen gas (P) = 1 atm

The volume of hydrogen gas (V) = 35.2L

The temperature of hydrogen gas (T) = 298 K

Gas constant (R) = 0.0821 L. atm. per mol. per K

Substituting values in the equation,

[tex]\begin{aligned}\rm n &= \rm \dfrac{PV}{RT}\\\\&= \dfrac{35.2\times 1}{0.0821\times 298}\\\\&= 1.438\;\rm moles\end{aligned}[/tex]

The balanced chemical reaction can be shown as,

[tex]\rm 2HCl + Ca \rightarrow H_{2} + CaCl_{2}[/tex]

From the reaction, it can be deduced that, 2 moles of hydrochloric acid = 1 mole of hydrogen gas.

So, 1.438 moles of hydrogen molecules will produce 2.876 moles of HCl.

The volume of HCl can be calculated as,

[tex]\begin{aligned}\rm Volume &= \rm \dfrac{moles}{Molarity}\\\\&= \dfrac{2.876}{2.3}\\\\&= 1.25\end{aligned}[/tex]

Therefore, option D. 1.25 L is the volume of the hydrochloric acid.

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How many atoms of oxygen are contained in 160 grams of N203?

Answers

Answer:

3.80 × 1024 grams containing

Explanation:

Step 1: calculate  the moles  of N2O3

moles= mass  N2O3 /molar mass N2O3

molar mass of N2O3 = (14  x2) +( 16 x3) =76 g/mol

moles of  N2O3  = 160 g/ 76 g/mol = 2.105  moles

Step 2:  from the  moles of N2O3 find the moles of Oxygen

=moles of N2O3   x number of oxygen atoms in N2O3( 3)

= 3 x 2.105  =6.315 moles

Step 3:use  the Avogadro's  law to calculate the atoms of oxygen

that is according to Avogadro's  law  1 mole =   6.02 x10 ^23 atoms

                                                              6.315 moles= ? atoms

={ (6.315 moles x 6.02 x10 ^23 atoms) / 1 mole}  =3.80  x10^24 atoms

Which of the following correctly gives the best coefficients for the reaction below? W N2H4 + H202 + N2 + H 20 a.1,1,1,1 b.1,2, 1,4 c.2, 4, 2,8 d.1, 4, 1, 4 e.2, 4, 2, 4 ​

Answers

The correct coefficients for the chemical reaction between hydrazine and hydrogen peroxide is 1, 2, 1, 4 (option B).

What are coefficients in chemical reaction?

Coefficients in a chemical reaction are numbers placed in front of formulas to balance equations.

A chemical equation is balanced when the number of atoms of each element on both sides of the equation are the same.

According to this question, hydrazine reacts with hydrogen peroxide to form nitrogen gas and water as follows:

N₂H₄ + 2H₂O₂ → N₂ + 4H₂O

As observed in the above chemical equation, the correct coefficients for the chemical reaction from left to right is 1, 2, 1, 4.

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Write an equation that represents the second ionization energy of nickel.

Answers

Ni+ (g) —> Ni 2+ (g) + e-

The equation that represents the second ionization energy of nickel is [tex]\rm Ni+ (g) \rightarrow Ni^2^+ (g) + e-.[/tex]

What is the second ionization energy?

The energy needed to free the outermost, or least bound, an electron from an element's 1+ ion is known as the second ionization energy.

The second ionization energy of an element is usually greater than the first because positive charge more strongly attracts electrons than negative charge.

The chemical equation is the representation of the chemical reaction. The left side of the substance and compound is the reactant and the right side of the substance is the product.

Nickel is a chemical element. Its chemical symbol is Ni. Its atomic number is 28. It's a silvery luster metal.

Therefore, the equation is [tex]\rm Ni+ (g) \rightarrow Ni^2^+ (g) + e-.[/tex]

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Which supplement will do more for regulating bowel function? Justify.

Answers

Constipation is commonly treated with fiber supplements. Wheat bran, for example, is an insoluble fiber supplement that helps stimulate the mucosal membrane of your colon. They soften your stool and reduce the time it takes for feces to pass through your colon by doing so.

Incontinence or diarrhea advice:

Foods that irritate the stomach and induce loose stools should be avoided (especially caffeine, dairy, and alcohol).

Stay hydrated by drinking plenty of water or electrolyte-containing drinks.

To bulk up your stool, increase your fiber intake.

Constipation remedies

At least 25 to 31 grams of fiber Trusted Source should be consumed each day.

Increase your degree of physical exercise.

When you have the desire to go, go to the restroom instead of trying to hold it in.

explain why the scientist should carry out further tests on this colouring found in the drink?

Answers

if the scientist finds anything that does not match, they have to carry out further tests

it can guide the consumer's judgement purchase decision on too gently on what the believe the product may contain.

Maybe if the scientist finds anything that does not match, they have to carry out further tests. it can guide the consumer's judgment purchase decision too gently on what they believe the product may contain.

Further tests: If you have been referred to a specialist, there are several tests they might do. Colposcopy: A colposcopy is an examination of your cervix. The specialist uses a colposcope, which looks like binoculars on the stand and to get a magnified view of your cervix.

How does a color detective work in chromatography?

Chromatography: can Be a Color Detective. As it does then, it takes part of the mixture with this. Different molecules run up the paper at different rates. As the result, components of the solution separate and, in this case, become visible as stripes of the color on the chromatography paper.

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How can we distinguish between ethylene and acetylene chemically?​

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Answer:

The key difference between acetylene and ethylene is that acetylene has a triple bond between two carbon atoms whereas ethylene has a double bond between two carbon atoms. The names acetylene and ethylene sound similar, but they are different hydrocarbon compounds.

Both ethylene and acetylene are hydrocarbons but the former has a carbon to carbon double bond while the latter has a carbon to carbon triple bond.

Ethylene and acetylene

Both organic compounds are referred to as hydrocarbons.

They are also both unsaturated.

Ethylene contains a C-C double bond and belongs to the alkene group.

Acetylene contains a C-C triple bond and belongs to the alkyne group.

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10) Nitrogen and hydrogen react together to form ammonia.
N, + 3H
2NH
When completely converted, 7 tonnes of nitrogen gives 8.5 tonnes of
ammonia
How much nitrogen will be needed to produce 34 tonnes of
ammonia?
7 tonnes
8.5 tonnes
Ο Ο Ο
28 tonnes
34 tonnes

Answers

Answer:

C 28 tonnes

Explanation

7 tonnes-8.5 ammonia

1 ton will be 8.5/7=1.21

we now know what 1 ton of nitrogen is equal to

so now,34/28 that is equal to 1.21

1.21=1.21

So the answer would be C. 28 tonnes

Thanks!

Answered by: FieryAnswererGT

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explain how both hydrogen and carbon have achieved stability by bonding with each other to form methane ​

Answers

A carbon iota can bond with four other iotas and is just like the four-hole wheel, whereas an oxygen iota, which can bond only to two, is just like the two-hole wheel.

Each element tries to achieve stability by forming a noble gas configuration (2 or 8 valence electrons)

Carbon has 4 valence electrons, achieving stability requires 4 more electrons

Hydrogen has 1 valence electron, achieving stability requires 1 more electron

Carbon and hydrogen bond covalently by sharing their electrons so that they become stable (carbon binds 4 hydrogens) to form CH₄ (methane)

How is atmospheric oxygen linked to the carbon cycle?.

Answers

An increase in burial of organic carbon in sediments results in more oxygen in the atmosphere and oceans.

Atmospheric oxygen is closely linked to the carbon cycle through the process of photosynthesis and respiration.

During photosynthesis, plants and other photosynthetic organisms use carbon dioxide (CO₂) from the atmosphere, along with sunlight and water, to produce glucose (C₆H₁₂O₆) and oxygen (O₂) as a byproduct. This process removes carbon dioxide from the atmosphere and releases oxygen, contributing to the oxygen content in the atmosphere.

On the other hand, during respiration, organisms, including plants, animals, and microorganisms, use oxygen from the atmosphere to break down glucose and release carbon dioxide as a waste product. This process releases carbon dioxide into the atmosphere and consumes oxygen.

Hence, the atmospheric oxygen is linked to the carbon cycle.

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How are the environments of a desert and a tundra different?

A. A tundra is at a higher latitude than a desert.
B. A tundra is less humid than a desert.
C. A tundra is much warmer than a desert.
D. A tundra receives less precipitation than a desert.

Answers

B. A Tundra is less humid than a desert.

Reasoning: Tundra’s experience low temperatures while deserts experience hot/humid temperatures.

What is the minimum mass of water at 70.°C needed to dissolve 36 g KNO3?

Answers

This problem is providing the mass of potassium nitrate at 70. °C and asks for the amount of water necessary to completely dissolve it. At the end, the answer turns out to be 26 g of water.

Solubility

In chemistry, we define solubility as the maximum amount of solute one can dissolve is an specific amount of solvent, at a determined temperature, without getting any trace of precipitate.

In such a way, with a solubility chart, one can see that potassium nitrate has a solubility of about 138 g in 100 g of water at 70. °C, which means we can compute the amount of water dissolving 36 g of this salt with the following relationship:

[tex]x=\frac{36gKNO_3*100gH_2O}{138gKNO_3} \\\\x=26gH_2O[/tex]

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50 POINTS HELP WITH EXPLAINTION (PREFEREED BUT NOT NEEDED )
My observations supported that cold water is (A)____________________ than warm water and so it (B)_________________________ of warm water.

Question 3 options:

(a) more dense (b) sinks to the bottom


(a) less dense (b) sinks to the bottom


(a) less dense (b) rises to the top


(a) more dense (b) rises to the top

Question 4 (1 point)
Fresh water is always (A)_____________________ than salt water so it (B)____________________ the salt water.

Question 4 options:

(a) less dense (b) rises above


(a) more dense (b) sinks below

Answers

Answer:

3. (a) more dense (b) sinks to the bottom

4. (a) less dense (b) rises above

Explanation:

To understand this, first you need to know what density is. Density is the quantity of mass per unit. If something is dense it has many molecules per unit of volume. If something is not so dense it has few molecules per unit of volume.

Cold water is close to becoming ice. In ice (solid), the molecules are compacted very tightly, therefore there are more molecules per unit of volume. This means that ice is very dense. In cold water, the molecules are close but not as close as in ice. This means that cold water is dense.

Hot water is close to becoming a water vapour. In water vapour (gas) the molecules are spaced very far apart and move around freely. They have lots of energy so they vibrate and move around a lot. There are less molecules per unit of volume in water vapour. This means that water vapour is not dense. In hot water, the molecules are not so far apart as the molecules in water vapour. This means that hot water is not so dense. But it is still considerably denser.

Salt water has two different types of molecules. The salt molecules like to cluster around the water molecules very close together. This makes salt water more dense than just plain water (freshwater).

How is a spectroscope used in astronomy?

Answers

Explanation:

using a  spectroscope astronomers can split light from space into a spectrum and examine its spectral lines to infer what compounds are emitted or absorbed.

A man riding a skate board with a combined mass of 50 kg traveling at 10 m/s/

Answers

Espanola so hence 5000 sernda 50 multiplias 10

is the ability of a substance to reflect light a chemical property

Answers

Answer:

If it reflects all light, it looks white. Color can help identify a material and, while it is a physical property, it can be used together with chemical experiments when the experiments produce a known material with a specific color.

Explanation:

The ability to reflect light is the inherent and fundamental property of that substance.

What type of object reflects light?When waves of light (and other electromagnetic radiation) come into contact with a surface or other boundary that does not absorb the radiation's energy, the waves bounce off the surface and back into space. The light wave that is coming in is known as the incident wave, and the wave that is being reflected off of the surface is known as the reflected wave. As seen for the operation of a flashlight beam on a smooth, flat mirror, visible white light that is focused onto the surface of a mirror at an angle (incident) is reflected back into space by the mirror surface at another angle (reflected) that is equal to the incident angle.For visible light and all other wavelengths of the electromagnetic radiation spectrum, the angle of incidence is the same as the angle of reflection. This idea is frequently referred to as the Law of Reflection. It is significant to notice that because the light is not "bent" or refracted and is being reflected at all wavelengths equally, it is not broken up into its individual hues.  Practically all surfaces will reflect light to some extent, particularly smooth surfaces, like a glass mirror or polished metal, work best for doing so.

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At what point is meteoroid concerned a meteorite

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Answer:

When meteoroids enter Earth’s atmosphere (or that of another planet, like Mars) at high speed and burn up, the fireballs or “shooting stars” are called meteors. When a meteoroid survives a trip through the atmosphere and hits the ground, it’s called a meteorite. Go farther.

Explanation:

Explanation:

Itenerary for 12 day Eastern Cape

What does this dialogue reveal about Paul’s feelings toward Ole Grey?

He has a deep fear of the horse, so he is cautious in his approach.
He is worried that the horse will not listen to him during the race.
He has a deep respect for the horse, so he treats him with care.
He is more concerned with winning than with the horse’s well-being.

Answers

Answer:

He has a deep respect for the horse,so he treats him with care

Answer:

It's C

Explanation:

Good luck on the test.

Please help

what are the 6 main points of the kinetic molecular theory

Answers

Answer:The kinetic-molecular theory of gases assumes that ideal gas molecules (1) are constantly moving; (2) have negligible volume; (3) have negligible intermolecular forces; (4) undergo perfectly elastic collisions; and (5) have an average kinetic energy proportional to the ideal gas's absolute temperature.

Explanation:

According to the electron configuration, which atom will be the most reactive?

A) 1s^2 2s^2
B) 1s^2 2s^2 2p^6 3s^2
C) 1s^2 2s^2 2p^6 3s^2 3p^6
D) 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2

Answers

C is the answer I took a test with the same answer

Which of the following is not conserved in a chemical reaction?
A) number of grams
B) number of atoms
C) number of molecules
D) actually, all three of these are conserved

Answers

Mass is not conserved in chemical reactions. Mass is therefore never conserved because a little of it turns into energy in every reaction

A chemical reaction is a product formation through the reactants. In a reaction the number of atoms, molecules, and mass are conserved. Thus, option D is correct.

What is a chemical reaction?

A chemical reaction involves a reactant on the left side of the reaction equation that changes to produce reactants. In a reaction, the conservational law of mass is always followed.

The number of atoms and the molecules involved in a reaction is also the same in the reactants and the products formed as can be seen from the stoichiometry coefficient of the balanced equation.

Therefore, option D. mass, atoms, and molecules are conserved in a reaction.

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1. A car has a mass of 4000 kg. What force is required to make the car accelerate at 20 mss

Answers

Answer:

As Per Given Information

Mass of Car 4000 Kg

Acceleration of car 20m/

we have to find the force required to make the car car accelerate at given magnitude .

Using Formulae

Force = Mass × Acceleration

On Putting the value we obtain

↝ Force = 4000 × 20

↝ Force = 80000 N

↝ Force = 80KN

So, the force required to maintain the given acceleration is 80 KiloNewton .

the way of the element are arranged, is it also necessary in daily life?

nonsense = report

i need this, it's for my easay...​

Answers

Answer:

im not completely sure what you're asking here, but if the question is "are the way elements arranged important to daily life" the answer is yes. elements make up everything. for example, we couldn't survive without water, which is H2O.

Explanation:

Whats Fe2O3 compound name

Answers

Answer:

Iron(III) oxide  and its common name is Ferric Oxide

Explanation:

how many moles are in 7.1x10^21 atoms of iron?

Answers

Answer:

0.011 moles

Explanation:

There are about 6.02*10^23 atoms in a mole, so in the given sample, there are

[tex] \frac{7.01 \times {10}^{21} }{6.02 \times {10}^{23} } [/tex]

which is about 0.011 moles.

N2 + 3H2 - 2NH3
-
If 150.0 grams of ammonia were produced how many moles of N2 would be needed?

PLEASEEEE HELPPPPPPPP

Answers

The number of mole of nitrogen gas, N₂, needed to produce 150 g of ammonia, NH₃ is 4.41 moles

How to determine the mole of NH₃ produced Mass of NH₃ = 150 gMolar mass of NH₃ = 14 + (3×1) = 17 g/mol Mole of NH₃ =?

Mole = mass /molar mass

Mole of NH₃ = 150 / 17

Mole of NH₃ = 8.82 moles

How to determine the mole of N₂ needed

Balanced equation

N₂ + 3H₂ —> 2NH₃

From the balanced equation above,

2 moles of NH₃ were produced by 1 mole of N₂.

Therefore,

8.82 moles of NH₃ will be produced by = 8.82 / 2 = 4.41 moles of N₂.

Thus, 4.41 moles of N₂ is  needed for the reaction.

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How are the cations different in each type of binary compound?

Answers

Answer:

In Type 1 cations, the compounds are named after their parent atom. Type 2 binary compounds the cation have a Roman numeral that indicates the charge as well as the name of its parent atom.

sceince problem i need help

Answers

D. due to the the water it will bring sand with the water there for us is D.
D. Please mark brainliest have a great day
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