What does the abreviation asa stand for chemically?.

Answers

Answer 1

Answer:

Acrylonitrile Styrene Acrylate


Related Questions

Using standard thermodynamic data at 298k, calculate the free energy change when 2. 34 moles of nh3(g) react at standard conditions

Answers

For a thermodynamic data at 298k, when 2. 34 moles of nh3(g) react at standard conditions, the free energy change is mathematically given as

dG'−213.174KJ

What is the free energy change?

Generally, the equation for the Chemical Reaction   is mathematically given as

HCL+NH3----->NH4Cl

Therefore

dG=-202.9-[-16.5+(95.3)]

dG=-91.1KJ/mol

In conclusion, For 2.34 moles

dG'=-91.1KJ/mol*2.34

dG'−213.174KJ

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The free energy change when 2.34 moles of NH₃(g) react at standard conditions is -213.174 kJ.

How do we calculate free energy change?

Free energy change of any chemical reaction will be calculated by using the following chemical reaction:

ΔG = Free energy of products - Free energy of reactants

Given chemical reaction is:

NH₃ + HCl → NH₄Cl

From the stoichiometry of the reaction it is clear that same moles of ammonium chloride is produced by the same moles of ammonia & hydrochloric acid.

Free enrgy of NH₄Cl = -202.9 kJ/mol

Free enrgy of NH₃ = -16.5 kJ/mol

Free enrgy of HCl = 95.3 kJ/mol

On putting values in the above equation, we get

ΔG = -202.9-[-16.5+(95.3)]

ΔG = -91.1KJ/mol

For 2.34 moles, ΔG will be:

ΔG = (2.34)(-91.1) = -213.174 kJ

Hence required amount of free eenrgy is -213.174 kJ.

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Can somebody please help write a short paragraph about this including all the words listed in the question. Thanks!

WILL MARK BRAINLIEST WHOEVER CAN ANSWER FIRST!!! :DDDD

Answers

Answer:

Vaccines work by stimulating your immune system to produce antibodies, exactly like it would if you were exposed to the disease. After getting vaccinated, you develop immunity to that disease, without having to get the disease first.

Balanced equation for formation of potassium suberate from cyclooctene

Answers

The balanced equations for the  formation of potassium suberate from cyclooctene are;

3KMnO4 + 3C8H18 + 4H2O --> 3C8H17(OH)2 + 2MnO2 + 2KOH and

3C8H14(OH)2 +  6KMnO4 ----> 3KCOO(CH2)6 COOK + 6MnO2 + 6H20

What is potassium suberate ?

The compound potassium suberate  is obtained from cyclooctene. The first step in the process is the oxidation of cyclooctene using potassium permanganate as follows;

3KMnO4 + 3C8H18 + 4H2O --> 3C8H17(OH)2 + 2MnO2 + 2KOH

This is followed by the production of potassium suberate from the reaction equation;

3C8H14(OH)2 +  6KMnO4 ----> 3KCOO(CH2)6 COOK + 6MnO2 + 6H20

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Balanced chemical equation for the formation of potassium suberate from the cyclooctene is 3KMnO₄+3C₈H₁₈+4H₂O→3C₈H₁₇(OH)₂+2MnO₂+2KOH &

3C₈H₁₄(OH)₂+6KMnO₄→3KCOO(CH₂)₆COOK+6MnO₂+6H₂O

What is balanced equation?

Those equation in which number of each entities present on both sids of the given chemical equation is same is known as balanced equation.

Formation of potassium suberate from the cyclooctene will be complete in following two steps:

(1). In first step oxidation of cyclooctene is done by using potassium permanganate.

3KMnO₄ + 3C₈H₁₈ + 4H₂O → 3C₈H₁₇(OH)₂ + 2MnO₂ + 2KOH

(2). In the second step final product is obtained as a result of the oxidation as.

3C₈H₁₄(OH)₂ +  6KMnO₄ → 3KCOO(CH₂)₆COOK + 6MnO₂ + 6H₂O

Hence the balanced chemical reaction for the formation of potassium suberate is discussed above.

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What property did mendeleev use to organize the periodic table.

Answers

Answer:

Atomic weight.

Explanation:

Hope this helps you!

3. What is the hydrogen ion concentration of a solution with a pH of 2.0?

Answers

Answer:

[H+] = 10^-2

Explanation:

pH = -log[H+]

2 = -log[H+]

[H+] = 10^-2

During Taylor's second test of a car with a mass of 200 grams, she recorded 11 seconds, 11.4 seconds, and 11.2 seconds for her 3 trials. What would be the mean value she would use to compare with the other cars?

11 seconds

33.6 seconds

11.2 seconds

11.53 seconds

Answers

Answer:

the answer is 11.2 seconds. I listened to the other person and picked 33.6 but that was wrong.

Explanation:

took test

What is the best definition of the enthalpy of formation, A HA?
A. The energy released when products form in a reaction
B. The energy absorbed when products form in a reaction
C. The energy required for a molecule to form from its elements
D. The energy required for an atom to form from its subatomic
particles

Answers

Answer:

I guess the answer ia point A

Scientific laws commonly answer which questions about the world?
1. Why?
2. How?
3. How many?
4. What?

Answers

Answer:

How

Explanation: In science a person has to be curious on how things work. Key word how. Why makes sense but how is the better answer. How many is a specific question. But it doesn't involve the whole spectrum of science. What also doesn't make sense.

A scientific law is a proposition that states what consistently takes place under specific circumstances. The law of conservation of mass and the law of conservation of energy are two other examples of physical science laws. The correct option is 2.

A scientific law only describes an occurrence in the natural world; it makes no attempt to explain how it happens. It is only the outcome of several observations and is supported by empirical evidence.

The definition of a naturally occurring phenomenon in the world is scientific law. It clarifies how something occurs. Equations or formulas in mathematics are used to express laws.

Thus the correct option is 2.

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What is true of a sample of gas as temperature is increased? (3 points)

Answers

As temperature increases, the average kinetic energy of a sample of gas molecules decreases.

How is a double displacement reaction completed and balanced

Answers

A double displacement reaction is a type of reaction in which two reactants exchange ions to form two new compounds. Many double displacement reactions occur between ionic compounds that are dissolved in water. A double replacement reaction is represented by the general equation.

which diver will experience more pressure: A scuba diver at 10 meters or one at 100 meters below at the surface of the water

Answers

Answer:

The one 100 meters below the surface of the water.

Explanation:

As you go deeper into a body of water, there is more water above, and therefore a greater weight pushing you down.

What does that mean about the densities of the phases of water?.

Answers

Answer:

The solid state is the most dense, followed by the liquid state, then the gas state. The solid state is more dense than the liquid state.

Explanation:

Does this answer your question???

what determines the role of an organism in an ecosystem?

Answers

Answer:

An organism's role within an ecosystem depends on how it obtains its food. Plants and animals obtain their food in very different ways, so they have very different roles in an ecosystem. The way in which an organism obtains food also affects its interactions with other organisms in the ecosystem.

Explanation:

Which staternent about all the noble gases is correct?

A The number of protons in the atoms equals the number of neutrons.
B Their atoms each have a stable arrangement of electrons.
C Their atoms each have eight electrons in their outer shell
D They exist as molecules containing two atoms.​

Answers

Answer:

B

Explanation:

The electrons in all noble gases are filled with electrons and don't need to involve in a reaction to gain or loss

The answer A is wrong because not all of them has same number of protons equal the neutrons

Answer C is wrong because we can see helium with 2 electrons in outer shell

and Answer D is wrong as we say above each atom doesn't need to react with another to be stable

what happens to a cell placed in an isotonic solution

Answers

Answer:

The cell's volume will remain stable.

Explanation:

If a cell is placed in an isotonic solution, there will be no net flow of water into or out of the cell, and the cell's volume will remain stable. If the solute concentration outside the cell is the same as inside the cell, and the solutes cannot cross the membrane, then that solution is isotonic to the cell.

Draw the structure of the major nitration product from the reaction of nitric acid with 1,3‑dimethylbenzene. Show all formal charges

Answers

The 2,4 and 5 positions are accessible for nitration of 1,3‑dimethylbenzene. The final product is shown in the image attached.

What is nitration?

Nitration is a type of reaction in which the nitro group (-NO2) is introduced to an aromatic ring. We have to note that in the compound 1,3‑dimethylbenzene, the 2,4 and 5 positions are accessible for nitration as shown.

Hence, the nitration of 1,3‑dimethylbenzene occurs  as shown in the image attached with the compound shown being the major product.

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The structure of the major nitration product from the reaction of nitric acid with 1,3‑dimethylbenzene is shown in attached image.

What is nitration?

Nitration is a process in which addition of nitro group (-NO₂) is taking place on the substrate molecule.

In the given question 1,3‑dimethylbenzene is the susbtarte in which nitration will be done in the presence of sulphuric acid (H₂SO₄) and nitric acid (HNO₃). Methyl groups which are present in the substrate molecule will behave as an ortho para directing groups as they are electron donating groups. So the major product obtained in the reaction is shown below in image.

Hence the structure of major nitration product is shown below in image.

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Need help ASAP. Thank you

Answers

Answer:

Circuit 1 = ?

Circuit 2 = Parallel

Explanation:

Since circuit 1 isn't shown on the picture, it's probably a series circuit, but if circuit 1 is a box with symbols around it, then it's a series circuit. But if it has three or more horizontal lines/cables like circuit 2, then it's a parallel circuit - circuit 2 has a second horizontal line with an open switch and lamp.

Circuit 2 is a parallel circuit, as it has branches/horizontal lines (that were explained in the paragraph above).

The chemical equation below shows the decomposition of nitrogen triiodide (NI3) into nitrogen (N2) and iodine (I2). 2NI3 Right arrow. N2 3I2 The molar mass of NI3 is 394. 71 g/mol. How many moles of I2 will form 3. 58 g of NI3? 0. 00907 moles 0. 00940 moles 0. 0136 moles 0. 0212 moles.

Answers

The moles of I₂ will form from the decomposition of 3.58g of NI₃ is 0.0136 moles.

How we calculate moles?

Moles of any substance will be calculated as:

n = W/M, where

W = required mass

M = molar mass

Given chemical reaction is:

2NI₃ → N₂ + 3I₂

Moles of 3.58g of NI₃ will be calculated as:

n = 3.58g / 394. 71 g/mol = 0.009 moles

From the stoichiometry of the solution, it is clear that:

2 moles of NI₃ = produce 3 moles of I₂

0.009 moles of NI₃ = produce 3/2×0.009=0.0136 moles of I₂

Hence, option (3) is correct i.e. 0.0136 moles.

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Calculate the number of moles when 3.00l of a gas at 814 mmhg and 25 °c?

Answers

Volume=V=3LPressure=P=814mmHgTemp=T=25°C

So

No of moles=n

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

[tex]\\ \rm\rightarrowtail n=\dfrac{PV}{RT}[/tex]

[tex]\\ \rm\rightarrowtail n=\dfrac{814(3)}{25R}[/tex]

[tex]\\ \rm\rightarrowtail n=2442/25R[/tex]

[tex]\\ \rm\rightarrowtail n=97.7Rmol[/tex]

In what container can you not see the meniscus

Answers

Answer:

Measure so that the line you are reading is even with the center of the meniscus. For water and most liquids, this is the bottom of the meniscus. For mercury, take the measurement from the top of the meniscus. In either case, you are measuring based on the center of the meniscus.

Explanation:

How do mechanical and chemical weathering relate to the formation of soil?

Answers

Answer:

Mechanical weathering breaks rocks into smaller pieces without changing their composition. … Chemical weathering breaks down rocks by forming new minerals that are stable at the Earth's surface. Water, carbon dioxide, and oxygen are important agents of chemical weathering.

Explanation:

brainlist me pls and I'm right, correct me if I'm wrong

Answer:

Mechanical weathering reduces the size of rocks without altering their content.

Chemical weathering damages rocks by creating new materials that are stable on earth's surface.

Why do different elements produce distinct colors in the flame test

Answers

Answer:

Their electrons have different allowed energy levels

Explanation:

Elements are the pure form that only consists of the atoms of the same proton number. Distinct colors are produced in the flame test as their electrons have different energy levels.

What is the Flame test?

A flame test is a procedure that detects the presence of chemical substances based on a spectrum and colors emitted by the elements in the flame.

The energy levels of the different elements vary and are defined by the movement of the electrons in the spectra. The energy released and the flame produced by different electrons are different.

Therefore, electrons with various energy levels release flames of different colors.

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Identifying balanced and unbalanced forces

Identify the situations that have an u balanced force. Check all that apply

A baseball speeds up as if it falls through the air

A soccer ball is at rest on the ground

An ice skater glides in a she ighr like at a constant speed

A bumper car hit by another car moves off an angle

A bin goes across the room when the air is released

Answers

In respective order:

Unbalanced

Balanced

Balanced

Unbalanced

Unbalanced

When 55.8 g of Fe reacts with Cl2 according to the equation 2Fe + 3Cl2 --> 2FeCl3. How many moles of Cl2 are required to react with all the iron?

2.00 mol
1.00 mol
0.67 mol
1.50 mol

Answers

Answer:

1.50 moles

Balanced equation:  2Fe + 3Cl₂ --> 2FeCl₃

find moles of iron:

moles = mass/Mr

moles = 55.8/56

moles = 0.9964 moles

use molar ratio:

2Fe : 3Cl₂

2 : 3

moles of Cl₂ = (0.9964/2)*3 = 1.50 moles

Which process can be used to power a home? solar thermal energy neither solar thermal energy nor solar electric energy both solar thermal energy and solar electric energy solar electric energyWhich process can be used to power a home? solar thermal energy neither solar thermal energy nor solar electric energy both solar thermal energy and solar electric energy solar electric energy

Answers

Answer:

solar electric energy

Explanation:

k12

100 points
In an equilibrium expression, the concentrations of ___ are on top.
A:products B:solids C:reactants D:liquids

Answers

Answer:

products, it's answer A.

Answer:

products

Explanation:

which five atoms tend to form double of triple bonds? explain why these atoms form double and triple bonds.

Answers

Answer:

The formation of double and triple bonds is not as widespread among the atoms of the periodic table as one might expect. At least one of the atoms involved in a multiple bond is almost always C, N, or O, and in most cases both atoms are members of this trio

Covalent bonding occurs when electrons are shared between atoms. Double and triple covalent bonds occur when four or six electrons are shared between two atoms, and they are indicated in Lewis structures by drawing two or three lines connecting one atom to another.

Explanation:

Why agar is used as a solidifying agent in culture media instead of gelatin

Answers

Agar is used as a solidifying agent in culture media instead of gelatin because it readily melts and it contains no nutrition for bacteria cultures.

What is agar?

Agar is a gelatinous material obtained from red algae and used in the preparation of culture medium.

Agar is used to solidify the culture medium for bacteria growth, although, gelatin can also be used.

However, agar is preferred as a solidifying agent in culture media instead of gelatin because it readily melts and it contains no nutrition for bacteria cultures.

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How many Oxygen atoms are there in 2MgSO4?​

Answers

Answer:

8

Explanation:

2MgSO4

We see there are 4 atoms, but these are multiplied by 2, therefore 8 atoms of oxygen.

Answer:

it is 4.

Explanation:

four atoms of oxygen (O)

four atoms of silicon (Si)

two atoms of magnesium (Mg)

two atoms of oxygen (O)

How many moles are in 79.85 g of Iron (III) oxide?

Answers

Answer:

For Fe, it's 55.845 g/mol. So 7.85 / 55.845 = 0.141 mol.

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