What is the Lewis Structure of CHF2Cl?

Answer:

2:1

Explanation:

Correct option is C)

We can see from the balanced equation, that the mole ratio of hydrogen to oxygen is 2:1 , both in the water molecule and in the reactants, hydrogen gas (H

2

) and oxygen gas (O

2

). The electrolysis of water causes the decomposition of water, (H

2

O), which produces hydrogen and oxygen.

D. polar substances dissolve in one another, and nonpolar substances dissolve in one another

substances subject to equal amounts of pressure dissolve in one another

polar dissolves with polar

ionic dissolves with ionic

While H⁺ is neither an oxidizing nor a reducing agent, and MnO₄⁻ is an oxidizing agent, NO₂⁻ is becoming oxidized, making it the reducing agent.

Reactant is a word that is used to represent a balanced chemical. A chemical element that is a reactant is one which is present at the beginning of such a chemical reaction and changes as the reaction develops. They can also be alluded to as reagents or beginning ingredients.

5NO₂⁻ + 6H⁺ + 2MnO₄⁻ -----> 5NO₃⁻ + 2Mn²⁺ + 3H₂O

In this reaction let's see what all changes are happening in each species oxidation state.

NO₂⁻ : oxidation state of N is (+4-1=) +3. And

NO₃⁻ : oxidation state of N is (+6-1=) +5. Thus NO₂⁻ is getting oxidized and so it is the reducing agent.

H⁺ : no change in oxidation state of H⁺ hence it is neither oxidizing not reducing agent.

MnO₄⁻ : oxidation state of Mn is (+8-1=) +7.

Mn²⁺ : oxidation state of Mn is +2. Thus oxidation state of Mn is changing from +7 to +2 and hence it is getting reduced. So we can say that MnO₄⁻ is an oxidizing agent.

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The following alcohols would be most soluble in water Ethanol would be the most soluble in water.

Ethanol is a renewable fuel made from corn and different plant materials. Ethanol use is sizable, and more than ninety eight% of gas in the U.S. consists of a few ethanol. The maximum not unusual mixture of ethanol is E10 (10% ethanol, 90% fuel).

Ethanol (or ethyl alcohol) is the sort of alcohol that over billion humans drink each day. This sort of alcohol is produced with the aid of the fermentation of yeast, sugars, and starches.

Ethanol intoxication is commonplace in older teenagers thru adulthood. The poisonous dose for an grownup is 5 mg/dL, while the poisonous dose in a toddler is 3 mg/dL. Youngsters are at better dangers of developing hypoglycemia following a single ingestion than are adults.

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Carbon dioxide (CO2) and water are the byproducts of this chemical process, which involves methane (CH4) and oxygen (O2) (H2O).Due to O2's molecule having a zero oxidation number, this reaction is both a combustion and a redox reaction.

In an exothermic reaction, 394 kJ/mol of heat is generated when carbon interacts with oxygen to make carbon dioxide. An analysis of the data can demonstrate that the combustion reaction between methane and oxygen is exothermic. Reactants in a chemical equation are the substance(s) to the left of the arrow. When a chemical reaction first begins, a substance is said to be the reactant. It is referred to as a product if there is a substance to the right of the arrow

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Answer: Carbon dioxide: product

Methane: reactant

Oxygen: reactant

Water: product

Explanation: did it!! :p

In general, substances with strong attractive forces between their particles tend to have high melting and boiling points and are solids at room temperature.

Salt (sodium chloride) is a solid at room temperature and has a relatively high melting point of 801°C. This is due to the strong attractive forces between its ions (positively charged sodium ions and negatively charged chloride ions).

Sugar (sucrose) is also a solid at room temperature but has a much lower melting point of 186°C. This is because the attractive forces between the sugar molecules are not as strong as the forces between the ions in salt.

Wax is a soft solid at room temperature and has a relatively low melting point. The attractive forces between wax molecules are weaker than those in salt or sugar.

So, in terms of the strength of attractive forces between its particles, salt would be the strongest, followed by sugar and then wax.

The structure from which the product was obtained has been shown in the image attached to this answer.

We need to refresh our mind about the oxidation of the alcohols. When we alcohol, the compound that we would obtain, we depend on the kind of alcohol that is oxidized as we can see. When we oxidize a primary alcohol, we would obtain a carboxylic acid which can be further oxidized to give an alkanone.

When we oxidize a secondary alcohol, we would now obtain a ketone. We have to look at the structure of the product that we have and this would then give us an idea of the kind of the compound that may have been oxidized so that we can be able to get the compound as it has been shown.

Since the product of the oxidation is an alkanoic acid, we can be able to see that the compound that it was obtained from is a primary alcohol

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12) Ammonium chromate and aluminum perchlorate

a. Molecular Equation: (NH4)2CrO4 + Al(ClO4)3 ->

b. Complete Ionic Equation: (NH4)2CrO4 + 2Al3+ + 6ClO4- -> 2NH4+ + CrO42- + 2Al3+ + 6ClO4-

c. Net Ionic Equation: (NH4)2CrO4 + 2Al3+ + 6ClO4- -> 2NH4+ + CrO42-

13) Nickel nitrate and sodium hydroxide

a. Molecular Equation: Ni(NO3)2 + 2NaOH -> Ni(OH)2 + 2NaNO3

b. Complete Ionic Equation: Ni2+ + 2NO3- + 2Na+ + 2OH- -> Ni2+ + 2OH- + 2Na+ + 2NO3-

c. Net Ionic Equation: Ni2+ + 2OH- -> Ni(OH)2

14) Hydrobromic acid and lead perchlorate

a. Molecular Equation: HBr + Pb(ClO4)2 -> PbBr2 + 2HClO4

b. Complete Ionic Equation: H+ + Br- + Pb2+ + 2ClO4- -> Pb2+ + Br2 + 2H+ + 2ClO4-

c. Net Ionic Equation: H+ + Br- + Pb2+ + 2ClO4- -> Pb2+ + Br2 + 2H+

A chemical equation is a written representation of a chemical reaction that shows the reactants, products, and the reactant-product relationships. It is a concise way of describing the changes that occur during a chemical reaction, and it helps chemists understand and predict the outcomes of chemical reactions.

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The Hydrochloric acid is used as the solvent taht can cut the Aniline from the Flourine mixture that has highest concentration of methylene chloride.

In order to take away aniline from the combination, you could upload an aqueous answer of HCl to transform it to its protonated shape which complements its solubility with water. Upon addition of the acid, you'll be aware that layers could be formed.

The natural layer consists of natural naphthalene at the same time as the aqueous layer consists of the ammonium ion of aniline. To isolate aniline, the acidic answer may be basified observed via way of means of the addition of ether to extract the impartial aniline into the natural solvent Aniline is separated from combination via way of means of steam distillation due to the fact it's far unstable on the temperature of steam and is immiscible with water.

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The molecule Difluoromethane will have higher boiling point. The dispersion forces depends upon molar mass only and Molar mass of Dichloromethane is greater than molar mass of difluoromethane.

Since molecule is highly polar due to strong dipole dipole interaction boiling point is so low. London dispersion forces occur when one molecule has a "temporary dipole" in the  beginning  and this creates an "induced dipole" in another molecule. Hence London dispersion forces are the attractions between the temporary dipole and the induced dipole  while Dipole Dipole forces are only polar molecules because they need dipoles to exist permanently.  C-F bond in more polar than C-Cl hence , interaction will be more in Difluoromethane molecule so lower vapor pressure hence higher Boiling point.

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The tapetum lucidum, a reflective substance found in the choroid coat of cows, is responsible for a cow's ability to see at night by reflecting light that is absorbed by the retina back into the retina.

Many vertebrates and certain other creatures have a tissue layer in their eyes called the tapetum lucidum. There is a retroreflector directly behind the retina. It increases the amount of visible light that is available to the photoreceptors by reflecting it back through the retina (although slightly blurring the image). Some animals have excellent night vision thanks to the tapetum lucidum. The majority of these creatures are nocturnal, particularly the carnivores, while others are deep-sea creatures.

Some spider species have comparable adaptations. Humans are haplorhine primates, which do not have a tapetum lucidum and are nocturnal. Animals can see in lower light than they otherwise could thank to the presence of a tapetum lucidum. Iridescent tapetum lucidum reflects light roughly in accordance with thin-film optics' interference principles.

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HCN is highly soluble in water,

With rising temperatures and in extremely saline environments, its solubility declines. HCN is a colorless gas and liquid with an odor reminiscent to bitter almonds, however not everyone can smell it. HCN is created in solution when the cyanide ion interacts with water.

What is HCN?

Prussic acid, also known as hydrogen cyanide, is a chemical substance having the formula HCN and the structural formula HCN. It is a colorless, very deadly, and combustible liquid that boils at 25.6 °C (78.1 °F), only barely over room temperature. Industrial-scale HCN production makes it a highly prized precursor to a wide range of chemical compounds, from medications to polymers. Production of potassium cyanide and adiponitrile, which are used in mining and polymers, respectively, has large-scale uses. Due to its liquid nature, it is more hazardous than cyanide compounds that are solid.

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Nuclear reaction: U235 + n ----> Xe144 + Sr90 + 2n , Krypton-92 and barium-141 are the two smaller nuclei that arise from the splitting.

Three neutrons as well as a significant amount of energy are released by the process. This nuclear equation may be used to describe it: 92 235 U + 1 neutron 36 92 K r 56 141 B a + 3 neutrons + energy.

Fission is the term for this action (see diagram below). A split U-235 nucleus releases two to three neutrons each time it divides.

Fission is the splitting of a uranium-235 nucleus into two smaller atoms while simultaneously releasing energy and neutrons (n).

Other uranium-235 atoms take up some of these neutrons. These atoms then disintegrated, releasing more energy and neutrons.

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We can get a better view of the animal using a hand lens.

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On a clear spring day, we may declare with certainty that Earth completes one-fourth of a full rotation after which summer will begin.

The duration of the Earth's complete rotation with regard to the Sun is one day. This corresponds to 24 hours, 1440 minute, or 86,400 seconds on average. The term "day" is frequently used in daily speech to refer to a sunny day, that is the interval between two solar comorbid, or the times the Sun is at its greatest position.

If something occurs every second or every other day, for instance, it occurs one day, then doesn't occur the following day, then occurs the following day, and so on.

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Answer: C

Explanation: it will be summer

The most polar connection is F-H.

What type of bond has the highest electronegativity?

The most electronegative element is fluorine. Therefore, carbon and fluorine exhibit the largest variation in electronegativity (C - F). The most polar bond is the C-F one as a result.

How do you tell which connection is the most polar?

The bond is more polar the more electronegativity there is between the two atoms. The difference in electronegativity must be greater than 0.4 on the Pauling scale to be regarded as a polar bond.

Is OO ionic, nonpolar, or polar?

Answer and justification Since the two oxygen atoms share an electron, an O-O connection is covalent. Since the atoms connected together are identical oxygen atoms, the connection is also nonpolar.

Is HF more polar or O-H?

Fluorine is more electronegative than oxygen. Thus, compared to Fluorine in HF, oxygen in H2O draws electrons from hydrogen less strongly. H2O is therefore less polar than HF.

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Option B; This radioisotope's half-life is 20.4 minutes. After 60.0 minutes, 13.03% of a sample is still present.

The decay of C-11 isotopes is known to follow first order kinetics.

The half-life time (t1/2) in a first order reaction is equal to 0.693/k, where k is the rate constant.

k = 0.693/(t1/2), 0.693/(20.4 min), or 0.03397 min1.

The following is the first order reaction integrated law:

ln[A0]/[A], or

where k is the rate constant (0.03397 seconds per second).

t (t = 60.0 min).

[A0] is C-11's starting concentration ([A0] = 100%).

[A] is the amount of C-11 that is still present ([A] =???%).

kt = ln[A0] / [A]

(60.0 min 0.03397 min) = ln(100%)/[A]

2.038 = ln(100%)/[A]

assuming e is on both sides:

7.677 = (100%)/[A]

[A] = (100%)/(7.677) = 13.03%.

After 60.0 minutes, 13.03% of a sample is still present.

Question:

Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What percentage of a sample remains after 60.0min a)34.0 b)13.03 c)2871.2  d)2.94

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Electrons are shared in molecular compounds A. So that both atoms can achieve Nobel Gas configurations and E. So that both elements can have full valence shells.

Accept the noble gases, all the elements in the periodic table do not have the required electrons in their outermost shell to complete their valencies. As a result, the electrons are shared among molecular compounds so that the elements of the periodic table can complete their valency.

Molecular compounds are formed when elements react in order to attain an electronic configuration that is similar to its nearest noble gas. Molecular compounds are formed when elements lose, give or share electrons in order to make their valence shells full.

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Since these two substances are both alcohols, IR spectroscopy cannot be used to separate them.

These two substances may be distinguished from one another using mass spectrometry because they have various molecular weights.The IR spectroscopy theory is based on the idea that molecules have a tendency to absorb particular light frequencies that are unique to the corresponding structure of the molecules.The electromagnetic spectrum's infrared section, which includes light with a longer wavelength and lower frequency than visible light, is the subject of infrared spectroscopy (IR spectroscopy).

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Lewis structure for methyl isocyanate, CH3NCO, showing all valence electrons. 60 degree, 60 degree and 120 degree are all bond angles in this molecule and the hybridization of each C, N, and O.

The valence shell electrons in a molecule are depicted in an extremely simplified manner by a Lewis Structure. It is used to demonstrate how the electrons in a molecule are positioned around particular atoms. Electrons are shown as "dots" or, in the case of a bond, as a line connecting the two atoms. The octet rule and formal charges must be met in order to achieve the "optimal" electron configuration. Lewis structures use the chemical symbol for each atom to show where it is located within the molecule's structure. Atoms that are joined together are separated by lines (pairs of dots can be used instead of lines). The extra electrons that form lone pairs are shown next to the atoms as pairs of dots. Hydrogen (H) can only form bonds that share two electrons, whereas main group elements of the second period and beyond often react by acquiring, losing, or sharing electrons until they have reached a valence shell electron configuration with a full octet of (8) electrons.

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A hydroxyl group is connected to the beta carbon in chemical molecules called beta-hydroxy ethers (the second carbon attached to a functional group).

Because the particles gain kinetic energy as the temperature rises, they move faster, increasing the likelihood of collisions and diffusion.

Boltzmann and Maxwell have also researched the gas speed distribution, although this is outside the purview of this course. You may have noticed that for oxygen gas to possess the same mean kinetic energy as hydrogen gas, H2, at the same temperatures, the average speed of each gas must be four times greater.

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The charge on the Lewis acid is +3 which means option d is the correct choice.

A Lewis Structure is a completely simplified illustration of the valence shell electrons in a molecule. It is used to expose how the electrons are organized round character atoms in a molecule. Electrons are proven as "dots" or for bonding electrons as a line among the 2 atoms.

As we know in a coordination compound metal atoms or ions are Lewis acid . So, here Cobalt is Lewis acid .

Now , the charge of ethylenediamine (en) is 0 , the charge of Cl is -1 . Let the charge on Co be X . Then as overall compound is neutral . So,

1 × X + 2 × 0 + 3 × -1 = 0

X - 3 = 0

X = +3

So, the charge on Lewis acid (Co) is +3 . So, correct answer is d). +3

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The vapour of a pure chemical substance depends on the level of a intermolecular forces, that substance's structure, and the temperature.

Between molecules, intermolecular forces are at work. In contrast, molecules themselves exert intramolecular pressures. In comparison to intramolecular forces, intermolecular forces are weaker. The Weaker intermolecular forces, dipole-dipole interaction, ion-dipole communication, and van der Waals forces are a few examples of intermolecular forces.

Electrostatic in nature, forces between molecules result from the interaction of positive and negative charges entities. Forces between molecules are the total of both attracting and repulsive elements, similar to held together by covalent connections.

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The solvent in the unsaturated solution is NH4Cl. 17. At 70oC, 45 grams of NH4 Cl are dissolved in 100 grams of water to create a solution.

Ammonium chloride, an inorganic compound with the formula NH4Cl, is a white, crystalline salt that is particularly soluble in water. Inside the mineralogic form where it naturally occurs, ammonium chloride is known as sal ammoniac solutions, which have a slightly acidic pH.

Its main use are as an electrolyte in dry cells and as a source of nitrogen for fertilizers. It is also widely used as a component of galvanizing, tinning, and soldering fluxes to remove oxide coatings from metals and so enhance the solder's adherence.

When exposed to ammonium chloride, people may experience discomfort, headaches, nausea, and wheezing. It is also moderately dangerous. The chemical's fume form (Ammonium Muriate Fume and Sal Ammoniac Fume), which is a finely fragmented particulate scattered in the air, is where most exposure occurs.

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Due to the equal attraction of the electrons by the two nuclei, when atoms of the same elements are covalently connected, the radius of every atom will be half that difference.

Generally speaking, ionic bonding can be seen in compounds where a metal is bound to a non-metal or even a semi-metal. When covalent bonding is present, a substance is referred to be a molecular compound since it is made entirely of non-metals or partially of semi-metals.

Covalent bonds are formed when atoms share electrons to bind together. The majority of the time, nonmetals form covalent connections. For instance, in water (H2O), the hydrogen (H) and oxygen (O) atoms each share an electron pair to form a molecule that consists of two hydrogen atoms single-bonded to one oxygen atom.

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Answer:

1.1s22s22p

Explanation:

Element Full Electron Configuration

A.) Nitrogen (Z = 7) 1s? 2s? 2p?

B.) Chlorine (Z = 17) 1s? 2s? 2p? 3s? 3p?

C.) Sodium (Z = 11) 1s? 2s? 2p? 3s?

D.) Beryllium (Z = 4) 1s? 2s?

One Hydrogen atom (H) and one Oxygen atom (O) surround the central Carbon atom (C) in the HCP Lewis structure (O). Carbon (C) and Phosphorus (P) have a triple bond, and Carbon (C) and Hydrogen (H) have a single bond.

The Lewis structure with the negative formal charges on the most electronegative atoms is the one to choose from when faced with a choice between numerous Lewis structures with similar formal charge distributions.

The resonance forms with the fewest non-zero formal charge atoms are selected. Resonance develops atoms that have a negative formal charge or are the most electronegative are preferred.

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At the anode, oxidation takes place whereas at the cathode, reduction takes place.

A non-spontaneous redox reaction is sparked by the application of electrical energy in electrolytic cells, a kind of electrochemical cell. Here, chemical energy is created by converting electrical energy. These are made up of two half cells: a positively charged cathode for reduction and a negatively charged anode for oxidation. The same container that contains the molten electrolyte also houses the two electrodes.

For instance, an electrolytic cell is used to break down salt (NaCl). The general response is:

At cathode: Diminishment

Rightleftharpoons Na + + e-

Oxidation at the anode

Rightleftharpoons, 2Cl-+, and 2e-

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In some kind of a 0.800 m ba(oh)2 solution, each individual ion has a concentration of 1.81M.

Together with magnesium, calcite, phosphate, and bicarbonates, salt, potassium, & chloride are the important electrolytes. We obtain electrolytes from our diet and drinks. Unbalanced amounts of these electrolytes might result in either low or high levels.

In a solution of Ba(OH)2 at a concentration of 0750 M, Ba2+ is the predominant ion.  = 0.800M and OH⁻  = 1.50 M.

The dissociation equation is:

Ba(OH)²(s)=Ba²+aq+2OH-aq

Using the Ba(OH)2 mole ratio:  Ba₂⁺which is 1: 1 the concentration of Ba² is = 0.750M

By utilising Ba(OH)2's mole ratio: which is 1:2 the concentration of

OH=0.800*2/1

=1.81M

Individual ion concentration is therefore ba(oh)2 = 0.800M & = 1.81M.

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C, 0.01M glucose solution is the appropriate selection. The urea solution's molarity is  0.01 M glucose solution(option c)

That which is an isotonic aqueous solution?

Isotonic solutions are those in which the val.ue of is the same. A and C are therefore isotonic with the specified NaCl solution.

What sort of thing is an isotonic?

IV fluids known as isotonic solutions have a comparable level of dissolved particles to blood. Normal saline, or 0.9% sodium chloride, is an illustration of an isotonic IV solution.

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