I want the solve of this problem

Answer:

bubble and foam!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer:

It can create a new plant variety, cure diseases or like the current epidemic situation, vaccines, drugs, ...

Explanation:

Answer:

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Explanation:

Answer:D. AuI3

Explanation:

Answer:

Scientific laws and theories have different jobs to do. A scientific law predicts the results of certain initial conditions. ... In simplest terms, a law predicts what happens while a theory proposes why. A theory will never grow up into a law, though the development of one often triggers progress on

Explanation:

Answer:

Below

Explanation:

This would be a decomposition reaction. This occurs when a compound breaks down into 2 + simpler substances. We can see this from AB --> A + B, one compound (AB) breaks down into 2 simple substances ( A and B ).

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Answer:

Explanation:

1000

Answer:

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We have that The volume of real gas will change if “P” increases upto 500 atm and temperature decrease upto 0°C there will be

. Volume decreases by 0.05%

OPtion B

From the question we are told that

if “P” increases upto 500 atm

temperature decrease upto 0°C

Generally the equation for the ideal gas equation  is mathematically given as

P=\frac{nRT}{V}

Where

n=1

R=0.08

Therefore

The volume is directly proportional to temperature

Therefore

. Volume decreases by 0.05%

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Answer:

[tex]4 - bromobenzoic \: acid \\ ↓ \\ { \tt{ \{soda \: lime \: and \: calcium \: oxide}} \\ { \tt{and \: heat \}}} \\ ↓ \\ 4 - bromobenzene \\ ↓ \\ { \tt{ \{chlorine \: and \: aluminium \: chloride \}}} \\ ↓ \\ 4 - bromo - 2 - chlorobenzene \\ ↓ \\ { \tt{ \{water \: and \: sodium \: hydroxide \}}} \\ ↓ \\ 4 - bromophenol \\ ↓ \\ { \tt{ \{conc.nitric \: acid \: at \: 60 \degree c}} \\ { \tt{and \: sulphuric \: acid \}}} \\ ↓ \\ 4 - bromo - 3 - nitrophenol[/tex]

In brackets, are the reagents

[tex]\boxed{\sf 1Å=10^{-10}m}[/tex]

[tex]\\ \rm\longmapsto 2.27Å[/tex]

[tex]\\ \rm\longmapsto 2.27\times 10^{-10}m[/tex]

[tex]\\ \rm\longmapsto 0.227\times 10^{-9}m[/tex]

[tex]\\ \rm\longmapsto 0.0227\times 10^{-8}m[/tex]

[tex]\\ \rm\longmapsto 0.00227\times 10^{-7}m[/tex]

[tex]\\ \rm\longmapsto 0.00023\times 10^{-6}m[/tex]

[tex]\\ \rm\longmapsto 0.00023\mu m[/tex]

Therefore, length = 2.27 × [tex]10^{-4}[/tex] um

Ionic radius of sodium = 2.27 angstrons

1 angstron = [tex]10^{-10} m[/tex]

1 m =[tex] 10^6[/tex] micrometer (um)

So, 1 angstron = [tex]10^{-10} m\times10^6 um/m = 10^{-4} um[/tex]

Hence,

2.27 anstrons × [tex]10^{-4}[/tex] um/angstron =

2.27 ×[tex] 10^{-4} [/tex]um

So, length = 2.27 × [tex]10^{-4}[/tex] um

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Answer:

final pressure = 262.5kpa

Explanation:

using Gay-Lussac's Equation

P1/T1 = P2/T2

P1 = 210kpa = 210000pa

T1 = 120k

P2 = ?

T2 = 150k

210000/120 = P2/150

1750 = P2/150

P2 = 1750 X 150

P2 = 262500pa

P2 = 262.5kpa

Because there are 4 P on the right side, we have to put a coefficient of 4 on the left to balance out the P.

This would give us 12 H on the left and 2 H on the right, so we have to put a 6 on the right to balance out the H.

Now we have 16 O on the left and 2 on the right, so a coefficient of 8 is required to balance out the O.

Answer:

The separation of kerosene, oil, and water are immiscible liquids, so they can be separated funnel.

Answer:

7%

Explanation:

I'd you have $44.79 you put the decimal next to the first 4 so 10% would be $4 and 20% would be $8 so 18% will be like 7

Answer:

Aristotle disagreed with Democritus and offered his own idea of the composition of matter. According to Aristotle, everything was composed of four elements: earth, air, fire, and water. The theory of Democritus explained things better, but Aristotle was more influential, so his ideas prevailed.

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Answer:

A

Explanation:carboxyli

Answer:

be pulled into the new star

Explanation:

Because it is heavier, with more mass and more gravitational force than our little Sun.

Answer:

Spherical smokeless powder is generally made from nitrocellulose as the base material. The nitrocellulose may be derived from purified cellulose, such as from cotton linters or wood, which is then nitrated by being treated with nitric and sulfuric acids (Olsen 1942. Smokeless powder.

Explanation:

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Ozone O₃ consists of a strong reactive gas made up of three atoms of oxygen. Ozone occurs on the Earth as natural and man-made gas.

Ozone impacts life on Earth in positive or harmful ways depending upon its location in the atmosphere.

From the information given, we are to balance the reactant and the product that leads to the formation of Ozone by following each step.

Step 1:

2Cl° + 2O₃           2ClO°        +        2O₂

                          Chlorine               molecular

                          monooxide            oxygen

Step 2:

2ClO°                  ClOOCl

Step 3:

ClOOCl     + sunlight   →    2Cl°      + O₂

(b)

The Overall balanced equation can be expressed as:

2O₃    →    3O₂

Therefore, from the above explanation we can see the step by step process for the balanced equation and the overall balanced equation.

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The percent by mass of an element in a compound is obtained as the ratio of the mass of the atom to the relative molecular mass of the compound multiplied by 100.

If we look at the representations shown in the image, we will notice that the red ball symbolizes the oxygen atom while the blue ball symbolizes the nitrogen atom.

The percent by mass of nitrogen in NO is 46.7%. This is obtained as follows;

Molar mass = 14 + 16 = 30

percent by mass of nitrogen = 14/30 * 100 = 46.7%

NO is the diagram that has only one red and blue ball respectively.

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Answer:

Calcium is a metal, particularly,an alkali earth metal

Explanation:

It donates two electrons to form cation

Ca+2e––>Ca^2+

Answer: 6.2cm

Explanation: because don’t forget it’s

Length • Width • Height

Answer:

The correct answer is A.

The horizontal rows on the periodic table are called periods, while the vertical columns are called groups.

Answer:

The right answer is option A

Answer:

D. The substance that holds the organelle of a cell in place.

Explanation:

Cytoplasm is the material filled within the cell, and it holds the organelles in a cell in place.

Answer:

Sand

Explanation:

If you get salt or sugar in your water, you have to legit desalinate it to get the water and item out. You need to evaporate the water by increasing temperature and then lower temperature to separate the substances.

If you have alcohol, you need to distill it by trapping it and stuff.

With sand, the molecules are much larger which lets you separate the substances easily.

For example, on a beach, you can slap a handful of sand in your pail, but the sand sinks to the bottom right? You can just pour out the water.