which of the following describes an unsymmetrical addition reaction? group of answer choices propyne with 2 moles cl2 in ccl4 propyne with 1 mole h2, ni and heat propyne with na/nh3 propyne with 1 mole hbr propyne with 1 mole br2 in ccl4

1) The energy level of the electron

2) The symbol is n

3) The shells correspond to the energy levels

4) The 4th shell has more energy than the 3rd shell

We know that the term quantum number has to do with the position of the electron in the atom. According to the Bohr model of the atom, the electrons that are found in the atom are said to have a specific energy and the electron can move from a lower to a higher energy level by the absorption of energy.

Given the fact that the principal quantum number can also be designated as energy levels or shells, we know that all the electrons that can be found in the atom are said to be classified into certain specific principal quantum levels.

Thus, when we have electrons in an atom, the most basic quantum number is the principal quantum number.

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The solution can be correctly described as saturated solution.

What is saturated solution?

The chemical solution with the highest amount of a solute dissolved in the solvent is known as a saturated solution.

As clearly observed from the solubility diagram, the maximum amount (approx. 42 g) of KCl can be dissolve in 100g of water at 50°C. No more KCl will be dissolve in water at this temperature.

Saturated solution is a kind of solution that contains the maximum amount of solute being dissolve in solvent at a particular temperature.

Therefore, the solution can be correctly described as saturated solution.

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The conjugate base of HBrO is BrO⁻.

In ionic equilibrium, we have a concept of conjugate base and conjugate acid.  

According to bronsted lowry's acid and bases concept acid is defined as a substance that can donate a proton, and the base is defined as a substance that can accept a proton.

The base formed from acid is known as the conjugate base of the acid. Similarly, the acid formed from a particular base is called the conjugate acid of the base.  

To form conjugate acid of HBrO, remove the hydrogen atom from HBrO.

Hence, the conjugate base of HBrO is BrO⁻.

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The first step of an enzymatic reaction is, substrate molecule (S) collide with enzyme(E) and react to form an intermediate compound called the enzyme-substrate (E–S) complex.

Enzymatic catalysis of a reaction between two substrates. The enzyme provides a template on which the two substrates are brought together in the correct position and orientation to react with each other. Enzyme-catalyzed reactions take place in at least two steps.

In the first step, an enzyme molecule (E) and a substrate molecule or molecules (S) collide and react to form an intermediate called an enzyme-substrate (E–S) complex. (This step is reversible, as the complex can dissociate into the original substrate or substrates and the free enzyme.) Once the E–S complex is formed, the enzyme is able to catalyze the formation of the product (P), which is then released from the enzyme surface:

S+E→E–S

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To solve such this we must know the concept of nucleophilic substitution reaction. Therefore, the correct option is option II. Primary alkyl halide are suitable for SN2 reaction.

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved.

The characteristics of SN2 mechanism:

It is a nucleophilic substitution reaction.

Leaving group, a nucleophile, electrophile and a solvent are present

The product formed is the inverted product.

The attack of nucleophile is from backside of the leaving group.

The order of reactivity of alkyl halide is 1°>2°>3°.

Therefore, the correct option is option II.

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When chocolate is heated, the cocoa butter crystals dissolve and it becomes liquid; however, if chocolate is heated to a high temperature, it can separate into charred, blackened cocoa particles and pale golden liquid.

The texture, hardness, and gloss of chocolate are influenced by the way in which the various types of molecules are arranged within it. Chocolate melts into a liquid when heated because thermal energy disturbs the substance's ordered crystalline structure.

Similar to how melted butter separates into fats and milk proteins, cocoa butter, which melts between 93 and 101 degrees Fahrenheit/34 and 38 degrees Celsius, separates from the lipids and cocoa particles. The chocolate becomes grainy if it becomes too hot.

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Answer:

Cannot, two

Explanation:

The component elements of a compound can only be separated via a chemical reaction that breaks the atomic bonds that bind its molecules. Also, compounds are formed by 2 or more different elements.

Taking into account the reaction stoichiometry, a mass of 448 grams of N₂ is formed when 48 moles of NaOH reacts.

In first place, the balanced reaction is:

2 NBr₃ + 3 NaOH  → N₂ + 3 NaBr + 3 HOBr

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 following rule of three can be applied: if by reaction stoichiometry 3 moles of NaOH form 28 grams of N₂, 48 moles of NaOH form how much mass of N₂?

mass of N₂= (48 moles of NaOH× 28 grams of N₂)÷ 3 moles of NaOH

mass of N₂= 448 grams

Finally, 448 grams of N₂ is formed.

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0 ° F is considered as a safe freezer temperature. Most germs are not killed by freezing, although it does halt them from multiplying.

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The number of atoms found in a mole of compound has been given by relationship between the mole and the Avogadro number. The Avogadro number has been the constant that has been given by the number 6.023 × 10^23.

The relationship between the atoms and mole has been given by:

1 mole = 6.023 × 10^23 mg ions.

So, the number of mg ions  that has been present in1 mole of the MgO has been equivalent to the Avogadro number.

Thus, 1 mole of MgO has 6.023 ×  10^23 mg  ions.

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a salt water is made by dissolving 4bpounds of salt in 18 gallons of water

A few alpha particles bounced back from the foil, Rutherford concluded that they were repelled by densely packed regions of positive charge. So the option b is correct.

Rutherford's experiment on scattering of α-particles showed for the first time that the atom has nucleus. He observed that the positively charged α-particles were repelled and deflected by the positive charges in the atom. Rutherford's  named this positively charged portion of atom as nucleus.

As alpha particle is also positively charged and we know that same charges repel each other so   a few alpha particles bounced back from the foil, Rutherford concluded that they were repelled by densely packed regions of positive charge.

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Nano3, or sodium nitrate, is a highly soluble compound,  22.5 g of nano3 will dissolve in 100 g of water at 20° C.

At 20° C the solubility of NaNO3 is 74 g/100 g

Thus, 74 g of NaNO3 will dissolve in 100g of water.

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The relationship between the following compounds is constitutional isomers. Therefore, option B is correct.

Compounds that differ in connectivity, or the way the constituent atoms are joined to one another, are known as constitutional isomers. A key technique for counting them is graph theory.

Constitutional isomers are molecules with varying connections, similar to how red and green beads are arranged differently in simple bracelets. Stereoisomers are the second category. Stereoisomers have identical connectivity, but their component pieces are arranged differently in space.

Thus, option B is correct.

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The IUPAC name for the structure shown ball and stick is methyl derivatives of cyclobutanol.

An IUPAC name will typically have three key characteristics: a major chain or ring of carbon atoms found in the molecular structure, also known as a root or base. A suffix or additional element(s) denoting potential functional groups in the compound.

Whether in a continuous chain or a ring, the longest chain of carbons joined by a single bond serves as the basis for IUPAC nomenclature. According to a particular set of priorities, all deviations, whether multiple bonds or atoms other than carbon and hydrogen are denoted by prefixes or suffixes.

Therefore, IUPAC refers to the ball and stick-shaped structure as methyl derivatives of cyclobutanol.

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Answer:

smoke

Explanation:

cause he must put a flame fire on the coal to heat the barbecue

The chemical reactions that must happen in John's barbeque the heat from your grill, frying pan, or toaster breaks down the proteins in your meal into amino acids in a process known as the Maillard Reaction. These amino acids then combine with the carbohydrates in the food to form this delicious brown mass.

The chemical reaction between amino acids and reducing sugars known as the Maillard process is what gives browned food its characteristic flavor. Foods that experience this reaction include grilled steaks, fried dumplings, cookies and other biscuits, breads, and toasted marshmallows.

By rearranging amino acids and particular simple sugars, which subsequently arrange themselves in rings and groups of rings that reflect light in such a way as to give the meat a brown color, the Maillard reaction specifically forms brown pigments in cooked meat.

Transformations of energy can be quite beneficial. For instance, when natural gas undergoes a chemical transformation in a furnace or grill. The gas' chemical energy is converted into heat energy, which cooks our food or keeps us warm.

Thus, the heat from your grill, frying pan, or toaster breaks down the proteins in your meal into amino acids in a process known as the Maillard Reaction.

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The reaction between cornstarch and water comes under physical change this is because at the end of the reaction cornstarch remains as cornstarch.

There is no formation of any new substance but rather there is a web like arrangement between the cornstarch and the water molecules.

The combination of cornstarch and water results in the formation of a suspension having non-Newtonian properties.

This is comparable to quicksand. When hot water is added to the  to cornstarch causes it stars to denature, resulting in a more gelatinous solid.

Cornstarch is typically composed of 27% amylose and 73% amylopectin.

During the reaction the size and viscosity of the cornstarch molecules increases.

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Answer:

The correct statement is: O This is the equivalence point of the curve.

Explanation:

The equivalence point is the point in a titration where the number of moles of acid added is equal to the number of moles of base needed to neutralize the acid. At this point, the acid and base react to form water and a salt. The pH at the equivalence point depends on the strength of the acid and base being used and the total volume of the solution. In general, the pH at the equivalence point will be higher for a strong acid-strong base titration than for a weak acid-strong base titration.

The total number of electrons shared between the atoms in the picture is: C. 4.

Shared electrons are the electrons that are used in covalent bonding between two atoms. It occurs when electrons from an atom bond with electrons from the neighbor atom.

In the picture given, we can translate the formula as follows:

  . .    . .           . .     . .

: O = O :  --> : O : : O :

From the representation above, we can conclude that 2 pairs of electrons are shared between the atoms (shown as a double bond). Hence, the total number of electrons shared is: 4.

This question is incomplete. The complete query is as follows:

“Given the Lewis electron-dot diagram for oxygen gas (O2). What is the total number of electrons shared between the atoms represented in this formula?

Choose one below:

The formula of Lewis structure is attached below.

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The compound's mole ratio in a laboratory setup is 3125.12 g/mol, according to the statement.

Water that is completely free of ions is said to be pure. This could conduct electricity as a result. The inclusion of ions in the mixture allows the solution to carry an electric current when other substances, such as ionic compounds, are dissolved in water.

Osmotic pressure is given by;

π = C * R * T

∵ 760 mmHg = 1 atm

10.3 mmHg = 1 * 12.2/760 atm

= 0.016 atm

π = no. of moles * R * T/volume (L)

π = Weight (g) * R * T / Molar mass * V (L)

0.016 atm = 2.494 * 0.082 L atm K⁻¹ mol⁻¹ * 298 K/ M.W * 195 * 10⁻³

M.W = 3125.12 g/mol

Consequently, the compound's molar mass is 3125.12 g/mol.

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An electron cannot have the quantum numbers n = 1, l = 1, and ml = 1. Therefore, option (D) is correct.

The set of numbers that can describe the position and energy of a particular electron are known as quantum numbers. Four quantum numbers are principal quantum numbers, azimuthal, magnetic, and spin quantum numbers.

Principal quantum numbers (n) can designate the principal electron shell and the most probable distance between electrons and the nucleus. The azimuthal quantum number (l)  can designate the shape of an orbital and has a value equal to n -1.

The magnetic quantum number can designate the total number of orbitals in a particular subshell and the orientation of orbitals. It has value -l to l.

Therefore, n = 1 then l = 0, and ml = 0 as well.

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Answer: The main applications of oxygen in order of importance are: 1) melting, refining and manufacture of steel and other metals; 2) manufacture of chemicals by controlled oxidation; 3) rocket propulsion; 4) medical and biological life support; 5) mining, production and manufacture of stone and glass products.

Explanation:

Please answer the following question and list the components of a typical filter setup. Everything will be crystallization. correct Büchner funnel Two vacuums are enabled by the rubber adaptor.

The most typical illustration is brewing tea. Tea leaves and water are separated during tea preparation using a filter or sieve. The pores of the sieve will only let water through. After this point, the band stop filter prevents frequency, whereas the bandpass filter allows it. The maximum frequency at which the output power is lowered is known as the upper cutoff frequency. Vacuum filtration: What is it? Suction filtration, another name for vacuum filtration, is a crystallization technique that is frequently used in chemistry labs to more precisely filter the given sample. General Considerations for Design of Digital Signal Processing.

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The compound cobalt(II) nitrate, Co(NO3)2 is soluble in water. The net ionic equation for the dissociation reaction is Co(NO3)2 (s) = CO2+(aq) + Na3(aq) + PO4-(l).

In general, during the dissociation process in chemistry, molecules (or ionic compounds like salts, or complexes) separate or divide into different entities like atoms, ions, or radicals. This procedure is typically reversible. For instance, the covalent bond between an electronegative atom and a hydrogen atom is broken when an acid dissolves in water due to heterolytic fission, in a reaction which releases a proton (H+) and a negative ion. Dissociation is the antithesis of connection or recombination. Separation of the anions and cations occurs when salts are dissociated by solvation in a solution, such as water. The solvent can be evaporated in order to recover the salt. A substance that has free ions and can be employed as an electrically conducting medium is referred to as an electrolyte. In a weak electrolyte, the majority of the solute does not dissolve, whereas in a strong electrolyte, a higher proportion of the solute dissociates to generate free ions. A weak electrolyte is a material whose solute primarily occurs in solution as molecules (which are referred to as being "undissociated"), with a very tiny amount existing in solution as ions.

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Fluorine is the most electronegative among the group and tends more to gain an electron by chemical bonding. For the same reason, fluorine is more reactive than bromine. magnesium is more reactive than calcium because, Ca contains more inner electrons and experience shielding effect.

Electronegativity is the ability of an atomic nucleus to attracts its own electrons as well as the bonded electrons. Fluorine has the  highest electronegativity than any element in periodic table.

F is more prone to be reactive since it needs gain an electrons to achieve stability. Cl has the same number valence electrons and but it contains more inner electron which shield each other. The most electronegative F will be more reactive in the group. For the same reason F is more reactive than Br also.

Potassium is more reactive than lithium because, potassium contains more loosely bound electron in its valence shell. Hence, it can be easily lose that electron through chemical bonding.

Magnesium is less reactive than Ca because, its valence electrons are more close to the nucleus. Whereas, Ca has one more shell in which the valence electrons are located which can be easily participated in bonding.

Similarly, oxygen is more reactive than sulfur, because, oxygen is highly electronegative and it tends to gain  two electrons by reaction.

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The following options correct : 1. A half-reaction shows the electrons gained by the reactants in a galvanic cell.

2. The overall process occurring in a galvanic cell includes both an oxidation and a reduction reaction.

3. The two parts are each known as half-reactions.

A dry cell is the battery which is made up of one or more electrochemical cells and convert the stored chemical energy in to the mechanical energy. the given all of the options are correct for the half reaction cell as :

1. In the galvanic cell the electrons are gained by the reactant is the half reaction cell.

2. The oxidation and the reduction reaction in the galvanic cell shows the occurring of overall process.

3. The half - reaction is the two parts of the overall reaction that is oxidation half - reaction  and the reduction half - reaction.

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Pyruvate enters mitochondria and then enters the Krebs cycle, where it is broken down into carbon dioxide and water to produce ATP and other byproducts, which then enter the electron transport chain to produce more ATPs.

The citric acid cycle is regulated by calcium ions by activating pyruvate dehydrogenase, the first component of the pyruvate dehydrogenase complex reaction that produces acetyl-CoA. The cycle converts acetyl coenzyme A (acetyl CoA)'s chemical energy into the reducing power of nicotinamide adenine dinucleotide (NADH).

The Krebs cycle, also known as the TCA cycle (tricarboxylic acid cycle) or the Citric acid cycle, is a series of enzyme-catalyzed reactions that occur in the mitochondrial matrix and involve the oxidation of acetyl-CoA to form carbon dioxide and the reduction of coenzymes to generate ATP in the electron transport chain. The citric acid cycle is the mitochondrial hub for the final stages of carbon skeleton oxidative catabolism for carbohydrates, amino acids, and fatty acids.

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A compound's solution in water has a sour taste, colors litmus red, and conducts electricity.The substance in the solution can be acidic.Mg(OH)2

Magnesium(2+) hydroxide or Milk of Magnesia are other names for it.It is a major ingredient in antacids and naturally occurs as the mineral brucite.Magnesium hydroxide's chemical name is Mg(OH)2.

As an antacid, magnesium hydroxide is employed to treat heartburn and indigestion.It works by neutralizing the stomach's hydrochloric acid to produce magnesium chloride & water.

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The way that we can be able to know that the compound is an aromatic compound is that the compound has a continuous network of overlapping pi orbitals. Option B

We know that the term aromaticity has to do with the fact that the compound would have the same number of electrons that would correspond to the Huckel rule. If we look at the Huckel rule, we can nsee that the statement of the rule is that a specie would be aromatic if the specie has a total of n -1 number of pi electrons that are present in a molecule of the compound as we can see in the image that has been shown here.

Given that we have the compound as it has been shown, we can see that there is a continious stretch of the overlapping orbitals. The overlapping orbitals is how we can be able to know that the compound that is in question is an aromatic compound.

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The correct formula of the compounds is: H2O,Na2O, and MgO but I don't know if this would help