What is the iupac name of the following compound?
a. (s)-2-bromo-2-vinylpentane
b. (r)-2-bromo-2-vinylpentane
c. (r)-3-bromo-3-methyl-1-hexene
d. (s)-3-bromo-3-propyl-1-butene

According to the VSEPR theory, the shape of the so3 molecule is trigonal planar.

The geometry of individual molecules can be predicted using the chemical model known as the valence shell electron pair repulsion hypothesis based on the number of electron pairs that surround the core atoms of the molecules. In honor of its two primary creators, Ronald Gillespie and Ronald NY Holm, it is sometimes known as the Gillespie-NY Holm theory.

Valence shell electron pair repulsion is the name given to the underlying concept in molecular structures (VSEPR). In essence, it states that because electron pairs are made up of negatively charged particles, they are attracted to one another and try to keep as far apart as possible.

Electrons on the center atom of a molecule always maintain their greatest possible separation from one another because they are negatively charged and repel one another.

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To destroy the unreacted Bromine

Bromination of aniline is carried out in by reacting aniline with bromine and acetic acid. This reaction results in a tri-substituted product called 2,4,6 tribromoaniline which is a white precipitate

During Bromination reaction , Sodium Bisulfite may be added  if there is any unreacted bromine left in the reaction mixture. This is necessary because unreacted Bromine can interfere with the reaction due to bromine's oxidizing characterstics.

Sodium Bisulfite Solution is a reducing agent and it can convert unreacted bromine and bromate by reducing it to bromide.

Moreover, Sodium bisulfite can also help in discharge the resulting colour of the solution due to the bromine present.

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Answer:

The answer to above is Unit cell

The gas will continue to occupy the same volume.

Absolute temperature is exactly proportional to kinetic energy; it is independent of the characteristics of any given substance.

What is absolute temperature?

Using the Kelvin scale, where 0 is absolute zero, absolute temperature is measured. The zero point is the temperature where matter's particles move the least and cannot get any colder.

The Kelvin scale's absolute zero represents the starting point for measuring absolute temperature. The study of thermodynamics is one scenario in which one might utilize absolute temperature as a unit of measurement. temperature measured on the Rankine or Kelvin scales starting from absolute zero.

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429.57 g is the mass in grams of 387 ml of ethylene glycol.

What is ethylene glycol?

Ethylene glycol is also called ethane 1,2 diol. This organic compound is highly toxic.  it's also known as Ethane-1,2-diol or Monoethylene glycol. it has no smell and is viscous.

cm^3 = mL

1.11 g/cm^3 = 1.11 g/mL

Density (g/mL) multiplied by volume (mL) will give us the mass (g)

1.11 g/mL * 387 mL = 429.57 g

The mass of ethylene glycol is 429.57 g.

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Combustion of octane

16 CO2(g) + 18 H2O = 2 C3H18(1) + 25 O2(g) (1)

ΔΗO -10, 932 kJ

What is combustion?

Combustion is the process of a substance burning in the presence of oxygen to produce heat and light.

You may have heard that some materials are combustible while others are not. Simply put, combustible compounds are those that go through this process.

Burning is actually referred to as combustion in science. Burning is a phenomenon that we are all familiar with, but did you realise that it is also a chemical reaction? Any fuel reacts chemically with air (an oxidant) during combustion to produce heat energy. Additionally, a flame will appear as a result of the release of heat energy.

Following complete combustion, octane (C,H,g, density = 0.699 g/mL) produces energy as shown by the following reaction:

16 CO2(g) + 18 H2O = 2 C3H18(1) + 25 O2(g) (1)

ΔΗO -10, 932 kJ

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Answer:

............................

Explanation:

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A scientific hypothesis is a theory that offers a speculative explanation for a phenomenon or a specific group of related events that have been observed in the natural world.

A hypothesis is a speculative response to an issue in science. A testable hypothesis is one that can be confirmed or refuted through experimentation, data gathering, or experience. The scientific method can only be used to design and carry out experiments based on testable hypotheses. A hypothesis is a provisional assertion that suggests one or more potential explanations for a phenomena or event. An effective hypothesis is a verifiable claim that might also contain a prediction. A theory is not the same as a hypothesis. Theories are broad explanations built on a lot of evidence.

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Answer:

arsenic

Explanation:

Name                         -Arsenic

Symbol                         -As

Atomic Number         -33

Atomic Mass                 -74.9216 atomic mass units

Number of Protons -33

Number of Neutrons -42

Number of Electrons -33

Trust

Taking into account the reaction stoichiometry, 2.4041 grams of K₂O can be produced from 2 grams of K and 5 grams of O₂.

In first place, the balanced reaction is:

4 K + O₂ → 2 K₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

The limiting reagent is one that is consumed first in its entirety, determining the amount of product in the reaction. When the limiting reagent is finished, the chemical reaction will stop.

To determine the limiting reagent, it is possible to use a simple rule of three as follows: if by stoichiometry 32 grams of O₂ reacts with 156.4 grams of K, 5 grams of O₂ reacts with how much mass of K?

mass of K= (156.4 grams of K× 5 grams of O₂)÷ 32 grams of O₂

mass of K= 24.4375 grams

But 24.4375 grams of K are not available, 2 grams are available. Since you have less mass than you need to react with 5 grams of O₂, K will be the limiting reagent.

Considering the limiting reagent, the following rule of three can be applied: if by reaction stoichiometry 156.4 grams of K form 188 grams of K₂O, 2 grams of K form how much mass of K₂O?

mass of K₂O= (2 grams of K× 188 grams of K₂O)÷ 156.4 grams of K

mass of K₂O= 2.4041 grams

Then, 2.4041 grams of K₂O can be produced from 2 grams of K and 5 grams of O₂.

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Answer:

(Question) What does the Law of Conservation of Mass state?

(Answer) The total mass of all of the reactants prior to a chemical reaction must equal the total mass of all the products after the reaction.

(Question) If the mass of elements before a chemical reaction is 30 grams, after the chemical reaction, the mass will be __.

(Answer) 30 grams

(Question) 78 g of potassium (K) react with 71 g of chlorine (Cl) to produce potassium chloride. According to the Law of Conservation of Mass, what is the mass of the product (2KCl)?

(Answer) 149 g

(Question) 2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of potassium oxide (K2O) will be produced?

(Answer) 7

(Question) Which of the following equations demonstrates the Law of Conservation of Mass?

(Answer) CH4+O2→C+2H2O

Explanation:

just finished the quick check. hope this helps UwU

Potassium hydroxide (KOH), when in an aqueous solution, splits into two ions, a potassium K+K+ cation, and a hydroxide OH−OH− anion.

K+(aq)+OH−(aq)+H+(aq)+Cl−(aq)→K+(aq)+Cl−(aq)+H2O(l)

Similarly, hydrochloric acid (HCl), when in an aqueous solution, breaks into two ions, a proton H+H+ cation, and a chloride Cl−Cl− anion.

The dissociation of a compound turns upon its solubility.

According to the ionic equation, in the response between HCl and KOH, the potassium K+K+ cation and the chloride Cl−Cl− anion do not accept a stake in the chemical equation. These are spectator ions.

OH−(aq)+H+(aq)→H2O(l)

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The moles of na₂so₄ are in a 0.140 m aqueous solution that was prepared with 2.30 kg of water is 0.00032moles

The formula for calculating the molarity of a substance is expressed as;

molarity = moles/Volume

Given the following parameter

Molarity = 0.140M

volume = mass/density

Volume = 2.30/997 kg/m³

Volume = 0.0023m³

Determine the required moles

Moles of na₂so₄ = molarity * volume

moles of na₂so₄ = 0.140 * 0.0023

moles of na₂so₄ = 0.00032moles

Hence the moles of na₂so₄ are in a 0.140 m aqueous solution that was prepared with 2.30 kg of water is 0.00032moles

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The Na+ /K+ pump transports three sodium ions out of the cell for every two potassium ions moved into the cell. This is an example of an antiport pump.

The function of Na+ /K+ pumps is to maintain the osmotic equilibrium and membrane potential inside the cells of living organisms. These pumps facilitate the movement of sodium and potassium ions against the concentration gradient.

In this question, three sodium ions out of the cell for every two potassium ions moved into the cell. This means the movement of ions is bidirectional. So, this is an example of an antiport pump.

Therefore, the Na+ /K+ pump is an example of an antiport pump that is classified in the category of active transport.

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The Temperature of N2 is 1078K

Calculations Using the Ideal Gas Law

P=nRTV. Calculate volume:

V=nRTP. Calculate moles:

n=PVRT. Calculate temperature:

T=PVnR.

We use the temperature formula,

now,

T=PVnR

where p = pressure

V= volume

nR = no of moles

Given that

p = 3.95 atm

V= 77.3 I

nr = 3.45 moles

T=PVnR

T= 3.95*77.3*3.45

T= 1078K

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The molarity of 200 grams of glucose (c6h12o6) in 1.0 liters of solution is 1.11M solution

Molarity is number of moles of solute per one liter of solution. Symbol for molarity is capital M.

In chemistry, solution is a mixture of two or more substances in which neither substance changes chemically. For example, salt water is solution that contains water (the solvent) and salt (the solute). Concentration is amount of dissolved substance in a solution. In other words, it is the amount of the  stuff that has been mixed into your liquid, concentration is usually measured in molarity.

A mole is basic unit in chemistry. It is the amount of substance in grams that contains as many atoms, molecules, or ions as 12 grams of carbon-12  (6.022 x 1023) does. Molarity is number of moles of a solute per liter of solution. If we wanted to know the molarity of our salt water solution, we would want to know how many moles of salt are in every 1 liter of  water.

So to calculate,

molarity=moles of solute/ liters of solution

molarity= 200g c6h12o6 ( 1mol/180g)= 1.11mol c6h12o6

1.11 mol/1.0liters= 1.11M solution

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The level of sodium and potassium are constant but there is a transmembrane potential charge because Na and K levels are not equal within and outside the cell.

The membrane potential is a difference in the electrical charge of ions such as sodium and potassium across the plasma membrane, which is used by the cell to carry out different functions.

In conclusion, the level of sodium and potassium are constant but there is a transmembrane potential charge because Na and K levels are not equal within and outside the cell.

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The average interest rate for a savings account in 2021 is 0.4 Compounding continuously.  it will take 11.8 years to double your money

               A = Peⁿt

   50000/25000 =  25000e/25000

     2 = [tex]e^{0.0588t}[/tex]                                         ( e = 2.73)

                                                                (0.0588t)

ln = log[tex]_{e}[/tex]

ln(2) = ln([tex]e^{0.0588t}[/tex])

[tex]\frac{ln(2)}{0.0588}[/tex] = [tex]\frac{0.0588t}{0.0588}[/tex]

t = 11. 788

t = 11.8 years.

So it'll take approximately 11.8 years for the investment to double if it's compounding continuously at 5.88%.

The best savings account interest rates are around 2%. At a brick-and-mortar bank, you'll often find savings rates closer to the national average, which is currently 0.13%.

High-Yield Checking Accounts

There are high-yield checking accounts that provide better interest rates than savings accounts. a number of these checking accounts offer up to a 2% annual percentage yield, in contrast to lower bank account rates.

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Adenine (A) particularly interacts with thymine (T) in DNA and uracil (U) in RNA, whereas guanine (G) and cytosine (C) experience a specific hydrogen bonding with each other. Quantitatively, three hydrogen bonds hold each GC base pair together, but only two hydrogen bonds hold each AT and AU base pair together.

Only two hydrogen bonds exist in A-T/U-. Three hydrogen bonds exist in G-C-.Between bases, hydrogen atoms bind. Between guanine and cytosine, there are 3 HB. Between adenine and guanine, there are two hydrogen bonds. Therefore, DNA is more stable if its GC concentration is larger.

An alternate hydrogen bonding mechanism is made possible by the 180° rotation of the adenine in the A and T base pair with respect to the glycosidic bond. Guanine is also rotated 180 degrees around the glycosidic link in the G and C pair. Furthermore, Hoogsteen base pairs have a greater glycosidic bond angle.

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A chemical reaction gives off  2,100 kJ of heat energy which is 5.0×10^5 calories.

What is  heat energy?

The movement of minuscule atoms, molecules, or ions in solids, liquids, and gases produces heat energy. From one thing to another, heat energy can be exchanged. Heat is the flow or transfer that occurs as a result of the temperature differential between two objects.

1KJ = 1000J

2100KJ = 2100×1000

=2,100,000J

Let a be the no. of calories.

1 Calorie =4.18J

a calorie =2100000J

a= 2100000/4.18

a= 502392.3445

a = 5.0× 10^5 calories

Question:

A chemical reaction gives off 2,100 kJ of heat energy.

About how many calories is it equal to?

(1 calorie=4.18 Joules)

(a)5.0 × 10³ calories

(b)5.0×10^4 calories

(c)5.0×10^5 calories

(d)5.0×10^6 calories

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Answer:

What you created using the tightly wound wire around the nail is called a solenoid [ sōl -ë-noid]. When an electric current passes through the wire, it creates a magnetic field in the metal core (the nail). When the wire is wrapped around the iron nail and the battery is strong enough, you create a simple electromechanical solenoid.

Explanation:

In the decomposition of water, twice as much hydrogen as oxygen is formed because there are two atoms of hydrogen and one atom of oxygen in a water molecule.

The chemical formula for water is H₂O, which is made up of two hydrogen atoms and one oxygen atom.

To create the elements that make up water, a reaction of breakdown is used. The breakdown looks like this:

2H₂O → 2H₂ + O₂

Two molecules of water generate two molecules of hydrogen and one molecule of oxygen, according to the equation above. As a result, there is a 2:1 ratio of hydrogen to oxygen generated.

This is explained by the fact that a water molecule contains one oxygen atom and two hydrogen atoms.

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Answer:

for pH 13 it = strong based the ph 2 is= weak acid

Explanation:

the passage describing a neutral atom of nitrogen-14 (N-14) is as follows:

Its nucleus comprises seven protons.

Its nucleus of it has seven neutrons.

Around the nucleus, there are seven electrons arranged in orbits.

Its protons make up its atomic number.

Protons and neutrons together make up their atomic mass.

What is nitrogen-14?

It is demonstrated that nitrogen-14 NMR spectra with spin I = 1 can be detected indirectly in powders spinning at the magic angle (MAS). The approach is based on the transmission of coherence to single- or double-quantum transitions of nitrogen-14 nuclei from a nearby nucleus with S = 1/2, such as carbon-13. Second-order quadrupole–dipole cross terms, also referred to as residual dipolar splittings, are responsible for coherence transfer. The second-order quadrupolar interactions of nitrogen-14 are shown to be responsible for the powder patterns in the two-dimensional NMR spectra. The nitrogen-14 quadrupolar coupling constant, CQ, and asymmetry parameter, Q, are obtained through spectra analysis. These variables may be connected to the solids' structure that contains nitrogen.

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Answer: no

Explanation:

It aint got the dingdong and besides whos the mommyy??

the sun produces high frequency waves like gamma rays.

Reaction of Iron(III) oxide (Fe2O3) with carbon monoxide (CO) to form iron (Fe) and carbon dioxide (CO2), is a redox reaction as both oxidation of carbon monoxide and reduction of iron is taking place.

What is  Oxidation?

Redox reactions include a change in the oxidation state of the substrate. Loss of electrons or a rise in an element's oxidation state are both considered to be oxidation. Gaining electrons or lowering the oxidation state of an element or its constituent atoms are both examples of reduction.

Therefore,

What species is reduced in the reaction of iron(iii) oxide with carbon monoxide to produce iron metal and carbon dioxide?

Reaction of Iron(III) oxide (Fe2O3) with carbon monoxide (CO) to form iron (Fe) and carbon dioxide (CO2), is a redox reaction as both oxidation of carbon monoxide and reduction of iron is taking place.

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The best method for determining whether an element is present in that solution would be to look for precipitate-forming reactions.

What is precipitate forming reaction?

In a precipitation reaction, dissolved chemicals combine to create one or more solid products. These kinds of reactions, which are also known as double displacement, double replacement, or metathesis reactions, frequently take place in aqueous solutions and involve the exchange of ions between ionic compounds.

The presence of a specific element in a solution can be checked via precipitation reactions. The presence of lead in water sources could be checked by adding the chemical and watching for the appearance of a precipitate if, for instance, a chemical combines with lead to generate a precipitate.

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It will take 5730 years.

The radioactive isotope of carbon with the symbol 14C, often known as radiocarbon, has an atomic nucleus made up of 6 protons and 8 neutrons. The radiocarbon dating technique, developed by Willard Libby and colleagues in 1949 to date archaeological, geological, and hydrogeological samples, is based on its presence in organic molecules.

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A 5.00 l container is filled with 0.300 atm acetylene and 0.800 atm hydrogen, which react according to: C2H2(g) + 2 H2(g) C2H6

what is a reaction?

A chemical reaction occurs when two or more molecules collide with the right orientation and enough force to produce a new product. Atomic bonds are created and disrupted throughout this process. Products, as opposed to reactants, are the compounds that result from an interaction between two other substances.

Substances are made up of chemical components or chemical elements. The atoms that make up the reactants in a chemical reaction are rearranged to create different products. A essential aspect of life itself, as well as technology and civilization, are chemical reactions.

0.300 atm acetylene and 0.800 atm hydrogen are placed in a 5.00 l container, where they react as follows: C2H2(g) + 2 H2(g) C2H6.

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Calcium carbonate (CaCo3) is a white solid and gaseous with the density of 2.71 g/cm^3 that can be easily calculated or observed without a chemical reaction, so it is simply a physical property.

Now the second sentence says that it reacts readily with an acid to produce gaseous carbon dioxide.

Let's take a chemical reaction:

CaCO3( Calcium Carbonate) + 2HCl (Hydrochloric Acid) ----> CaCl2 (Calcium Chloride) + CO2 (Carbon Dioxide) + H2O (Water)

Hence it readily reacts with acids so it is clearly a chemical change and falls into chemical property.

Physical properties denote or comprises density, color, melting and boiling point where as chemical properties comprises of it goes in a particular chemical reaction and changes.

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The atoms potassium(K) and chlorine(Cl) are most likely to form ions and thus an ionic bond with each other.

What are ionic bonds?

An ionic bond is a particular kind of chemical bond that is created by the electrostatic attraction of two ions with opposing charges. These ions are produced when two atoms, typically a metal and a non-metal, exchange their valence electrons.

The elemental couples that have the highest likelihood of forming an ionic connection are Cl and K.

Since,

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