Both of the sulfur-chlorine single bonds in scl2 are polar. in which direction should the polarity arrows point?

Answer:

atoms with a different attraction for electrons

Explanation:

A chemist can add groups with bonds between atoms that have distinct electron attractions to make a chemical that is not soluble in water into solution.

Thus, A medicine or substance that is water soluble is more easily absorbed by your digestive system.

Positive and negative energy are drawn together, creating a stable structure. Polar ions or compounds break down or disintegrate into smaller components when they are added to water. They may also dissolve and mix with the solution.

The various components of a compound are drawn to water's partial charges. It becomes more soluble in the water when attraction takes place.

Thus, a substance can become water soluble by introducing groups with bonds between atoms that have distinct electron attractions.

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The ion is sodium ion.

An ion is obtained by the removal of an electron from an atom. An ion could be positively charged or negatively charged. If the ion contains more electrons than protons then it is positively charged and vice versa.

An ion is positive when electrons are lost and the ion is negative when electrons are gained. In a negative charge, the electron cloud spreads out and the ion becomes larger. When we have a positive ion, the ion is smaller than the neutral atom.

Now, we can see that neon has an atomic number of 20 thus it has 10 electrons. If the ion contains one more proton then the atomic number of the element is 11. We are told that it contains two more neutrons hence the mass number is 22.

Given that the both species have the same number of electrons thus the ion must be sodium ion.

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In a first-order reaction, it takes 23.02 days for 68 percent of the chemical to be destroyed.

Given,

fee constant for the destruction of pollutant = 0.1/day

We ought to discover the number of days it'll take for sixty eight percent of the chemical to be destroyed.

[A] = [A]₀e^⁻kt

in which [A] is the present awareness, and

[A]₀ is the initial awareness

k is the price of decrement

[A]₀ = 1

[A] = 0.1

Or, t =㏑(10)/k

Or, t = 2.302/zero.1

Or, t = 23.02 days.

for this reason the wide variety of days required for the destruction of sixty eight percent of chemicals is 23 days.

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According to Rutherford's nuclear theory, the number of negatively charged particles outside the nucleus is equal to the number of positively charged protons inside it.

What is Rutherford's nuclear theory?

According to the Rutherford atomic theory, an atom is made up of a compact, dense, positively charged nucleus that is around by smaller, negatively charged particles called electrons. It explains the atomic model, according to which an atom's mass is concentrated in its nucleus, around which the electrons, or negatively charged particles, move.

In accordance with Rutherford's nuclear theory, an oxygen atom has 8 protons and 8 electrons, whereas a calcium atom cannot have 20 protons and 20 electrons. This is because the number of negatively charged particles outside the nucleus is equal to the number of positively charged particles inside the nucleus.

Thus, the number of negatively charged electrons outside the nucleus is equal to the number of positively charged protons inside the same.

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Proton a couples to proton b. proton a possesses a j-value of 3.0 Hz. the j-value proton b possesses to be 3.0hz.

A proton contains two up quarks and one down quark. A neutron contains one up quark and two down quarks. The core is held together by one of four fundamental forces, the "strong nuclear force" (gravitational and electromagnetic forces are the other two). Heavy atoms tend to have more neutrons than protons, but the number of electrons in the atom is always equal to the number of protons. Therefore, the atom as a whole is electrically neutral.

There are two types of protons and neutrons: up quarks and down quarks. Each up quark has a +2/3 charge. Each down quark has a charge of -1/3. The sum of the charges of the quarks that make up the nuclear particle determines its charge.

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The bonds that are present in the pictured compound are C −C and C −H.

A bond is that which connects two atoms together. We know that a compound is composed of bonds. There are a number of bonds in a compound. The bonds are always as many as the atoms that need to be linked in the compound.

We know that butane a shown in the image is an alkane. An alkane has carbon - carbon and hydrogen - carbon bonds. There are no multiple bonds in the compound butane.

Thus, the bonds that are present in the pictured compound are C −C and C −H.

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The Haber process is typically carried out at a temperature of approximately [tex]500^{0}C[/tex]. The rate of the forward reaction would be decreased if the temperature were lowered to [tex]100^{0}C[/tex].

For every [tex]10^{0} C[/tex] increase in temperature, most reactions double in rate. On the other hand, a temperature that is too low cannot be used because the rate of the reaction will be significantly slowed. As a result, a compromise temperature  [tex]450^{0}C[/tex] is used, which is high enough for the rate to be quite fast but low enough to yield a relatively high ammonia yield. This reaction takes place at a pressure of 200 atm. 

Higher temperatures accelerate the rate of reaction. We've seen that when reactions are carried out at a higher temperature, the rate of reaction increases. A higher temperature would allow the Haber process to occur more quickly.

Temperature increases typically increase the rate of reaction. The average kinetic energy of the reactant molecules increases as the temperature rises. As a result, a larger proportion of molecules will have the minimum energy required for an effective collision.

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While burning iron shavings results in a chemical change, the formation of little particles of iron shavings is a physical change.

Small bits of iron shavings being formed are an example of a physical change because they can be transformed back into nails, whereas small pieces of iron shavings being burned on a flame are an example of a chemical change since they cannot be transformed back into their original shape. Chemical change is a change in matter that modifies the chemical properties of the substance as opposed to physical change, which modifies the matter's physical characteristics.

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The e answer in scientific notation 5.7365 x[tex]10^{-5}[/tex]/ 3.4891  x [tex]10^{-8}[/tex] is  1.64  x [tex]10^{3}[/tex] .

Calculation ,

5.7365 x [tex]10^{-5}[/tex] / 3.4891 x [tex]10^{-8}[/tex] = 1.64  x [tex]10^{3}[/tex] = 1644

Below are the five guidelines for scientific notation:

1. The base must always be 10.

2. The exponent must be an integer that is non-zero, meaning it may be positive or negative.

3. The coefficient's absolute value is more than or equal to 1, but it must be less than 10.

4. Both whole and decimal numbers, including positive and negative numbers, can be used as coefficients.

5. The remaining significant digits of the number are carried by the mantissa.

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The answer is 10% sugar have more solvent.

A solution that comprises as much solute as can mixed in a given solvent at a given temperature is known as saturated solution. If you add more than 200 grams of sugar to a  liter of 2 °C water, the extra sugar won’t dissolve. On the other hand, a solution containing less than 200g of sugar in 1 liter of 20 °C water can hold more sugar. A solution that comprises less solute than can mixed at a given temperature is known as unsaturated solution.

Saturated solution is also called as supersaturated solution.

According to question,

The answer would be 10% grams of sugar have more solvent.

It is very known that small size or amount of solute mixed faster as comparison to higher amount of sugar.

So if you add another solute to the mixture of 20 g of sugar solution it takes more time and also there will be no space left in the molecules of the 20 g of the sugar solution and hence less solvent as compared to 10% gram of solvent.

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Answer:

the potassium permanganate formula is KMnO₄

Explanation:

Potassium permanganate, also known as permanganate of potash or Condy's crystals, is a chemical compound consisting of two ions: a potassium ion and a permanganate ion.

hope this help if it does help I'd be happy if you follow and give me the brainliest answer

The formula of potassium permagnet is KMnO₄, Therefore there is only one potassium ion is present in potassium permagnet.

An atom with a negative electrical charge is known as an ion. Generally, the charge of an electron is considered to be negative,this charge is equal to and equivalent to the charged of a proton, which is thought to be positive.

When an atom's number of protons and electrons is out of balance, ions are created. As a result, an atom that has acquired or lost one or more electrons and thus has a positive or negative charge is said to be an ion.

Potassium permanganate is made up of one potassium atom ( K ), one manganese atom ( Mn ), and four oxygen atoms, according to its chemical formula ( O ).

Therefore there is only one potassium ion is present in potassium permagnet.

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Kreb's cycle or citric acid cycle is the process in which CO₂ is released as a by-product of oxidation-reduction reactions.

We all know that the by-product of respiration is CO₂. The CO₂ is actually a by-product of an oxidation-reduction reaction that occurs in the mitochondria of all eukaryotic cells called the Kreb's cycle.

The Kreb's cycle is also called the citric acid cycle because the first product is usually citric acid. It is the second stage in cellular respiration, and is also called the aerobic stage, as it requires oxygen to occur. Since it requires oxygen, anaerobic organisms do not engage in the Kreb's cycle.

During glycolysis, one glucose molecule is broken down to give two pyruvate molecules, which concludes the first stage of cellular respiration. The pyruvate molecule is then taken to the matrix of the mitochondria, where the Kreb's cycle occurs and is decarboxylated to give CoA. Certain enzymes then break down the CoA to give two molecules of CO₂ as a by-product and one molecule of H₂O.

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Answer:

2.70 grams

Explanation:

78.54% of the compound is carbon, so in a 1 gram sample, there would be 0.7854 grams of carbon since 78.54% * 1 = 0.7854. Similarly, we multiple 78.54% by 3.44 to get the mass of carbon in a 3.44 gram sample.
78.54% * 3.44 = 0.7854 * 3.44 = 2.701776, but only leave 3 digits because otherwise it would be false accuracy

Answer:

2.640

Explanation:

Rounding to the nearest whole number would be 3 if that is needed.

The balanced chemical equation for the standard formation reaction of solid calcium hydroxide CaOH2 is:

                                Ca + O2 + H2  →   Ca(OH)2

The reactant components that are required in the standard states are calcium(Ca), Oxygen(O2), and hydrogen(H2). Oxygen and hydrogen are in their gaseous form and calcium is in solid state.

All of these reactants react to form Ca(OH)2 which is also known as slaked lime.

                           Ca + O2 + H2  →   Ca(OH)2

This chemical equation is balanced because there are 1 Ca, 2 Oxygen atoms and 2 Hydrogen atoms on either sides.

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The three statements about a model of the particles in the ice:

They vibrate in place.

They are packed very closely together.

They cause the solid to have definite volume and definite shape.

For example, chemical compound water (H₂O) is liquid. Molecules of water are not rigid as in solid state (ice) and can move. In solid state (in this example ice) movement of molecules is more slow than movement of molecules in liquids (for example water).

Solids have fixed shapes and volumes because particles occupy a fixed position in the crystal lattice.

Strong cohesive forces keep particles (molecules, atoms, or ions) in place, with little void spaces, resulting in very low compressibility and thermal expansion.

Solids have high density that varies very little with temperature.

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An a-t base pair consists of 2 h-bond(s); a c-g base pair consists of 3 h-bond(s). The correct option is E.

Base pairs are the pairs that are made up of nucleotides. They are pairs of DNA bases. The base pairs are connected with each other by hydrogen bonds.

In between adenine and thymine, there are two or double hydrogen bonds present and between cytosine and guanine, there are triple bonds present.

So, there is 2 hydrogen bonds and triple hydrogen bonds in the base pairs of DNA, the genetic material.

Thus, the correct option is E, 2, 3.

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The question is incomplete. Your most probably complete question is given below:

A. 1, 2.

B. 2, 1.

C. 2, 2.

D. 3, 2.

E. 2, 3.

The number of unpaired electrons is 7.

When an electron resides in the orbital of an atom in chemistry, it is said to be unpaired if it is not a part of an electron pair. Each of an atom's atomic orbitals is large enough to accommodate two electrons with opposite spins.

This electron configuration is known as the noble gas configuration because the core electrons in it are represented by the noble gases that have the appropriate number of electrons.

According to the electron configuration, the atom has 7 more electrons than neon. As a result, the atom is chlorine.

Unpaired electrons are the ones that appear in an orbital alone, whereas paired electrons are the ones that appear in an orbital as pairs in an atom.

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The number of unpaired electrons is 7. The element  is Chlorine.

An unpaired electron is an electron that doesn't form part of an electron pair when it occupies an atom's orbital in chemistry.

Two electrons with opposing spins can fit into each of an atom's atomic orbitals.Because the noble gases that match to the right amount of electrons represent the core electrons in this electron configuration, it is known as the noble gas configuration.

The atom possesses 7 more electrons than neon, according to the electron configuration. The atom is chlorine as a result.

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Electrodes have been placed on samantha's scalp. her doctor wants to assess her brain-wave activity through the use of an electroencephalogram, or EEG. An electroencephalogram (EEG) is a test that uses small metal discs (electrodes) connected to the scalp to assess electrical activity in the brain.

Brain cells interact by electrical impulses and are constantly active, even while sleeping.  An EEG is a test that detects irregularities in your brain's electrical activity or brain waves. Electrodes comprised of small metal discs with thin wires are deposited onto your scalp during the process. An EEG is primarily used to detect and investigate epilepsy.

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Answer:2.5 mol

Explanation:

Cocoa butter occupies the greatest volume.

What is cocoa butter good for?

Vitamin E has several health advantages for the body, and cocoa butter is a good source of this vitamin. The health of your blood, brain, skin, and reproductive system are all supported by vitamin E. Due to its high fatty acid content, cocoa butter is an excellent choice as the main component of skin creams.

Cocoa butter is 9/0 it's close to ICL but cocoa butter is the smallest end this one will take off the most volume because it is divided by the smaller density.It is important not to overheat the Baker when drying the sodium chloride because by these comments won't be loss and Baker was properly heat.

Complete question -

If you had equal masses of each of the following substances, which would occupy the greatest volume?a. ice (d = 0.917 g/mL)d. cocoa butter (d = 0.910 g/mL)b. water (d = 0.997 g/mL)e. aluminum (d = 2.70 g/mL)c. beeswax (d = 0.960 g/mL)

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The statement that correctly identifies the type of mixture is that homogeneous mixtures have parts that are distributed evenly. The correct option is c.

A homogeneous mixture is sole in which the composition is consistent throughout the solution.

Since the dissolved salt is evenly distributed throughout the salt water sample, the salt water described as an illustration is homogeneous.

The statement that accurately defines the type of mixture is that homogeneous mixtures have evenly distributed parts.

Thus, the correct option is c.

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Answer: The percentage of nitrogen and oxygen in ammonium nitrate is 35% and 60%

Explanation:

The small stretches on a chromosome  of a deoxyribonucleic acid (DNA) molecule on a particular site is known as gene.

Gene is a fundamental, structural and operational component of heredity in living beings. They serve as a blueprints for synthesis of proteins. Genes are responsible for transfer of traits from parents to the progeny.

The sequence of nucleotide on a DNA strand determines the coding for various proteins. From a few hundred DNA bases to more than 2 million bases, genes range in size. Every human contains two copies of same gene, one from each parent.

Protein-coding genes make up only around 1% of DNA; the remaining 99% is non-coding genes. There are no protein-making instructions in non-coding part of DNA.

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The lewis structure for these anions are-

a fairly straightforward manner to visualize a molecule's valence shell electrons is through a Lewis structure. It gives insight into the pairing and association of the electrons surrounding every atom in the molecule.

every electron inside the Lewis dot structure can be represented via a dot, and a line connecting the dots is drawn to shape an electron bond.

simplest the valence electrons are taken under consideration whilst sketching the Lewis dot shape, ignoring the electrons that don't belong to the outermost shell.

The Lewis shape is the most effective and maximum constrained speculation; it does no longer describe how bonds are created or how electrons are disbursed most of the atoms. And that is visible as the essential constraint at the Lewis shape.

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The movement of particles from an area of high concentration to an area of lower concentration is known as Diffusion. There are two types of Diffusion; simple diffusion and facilitated diffusion.

Simple diffusion and facilitated diffusion have some similarities and differences.

Both simple diffusion and facilitated diffusion are passive processes and do not require energy. They both deliver transport molecules in the direction of a concentration gradient.

There are also some differences. The speed of simple diffusion is low as compared to facilitated diffusion. Simple diffusion does not require the assistance of carrier molecules but facilitated diffusion does.

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In the mass spectrum of pentane, the presence of a peak with m/z = 57 is most likely to the detection of a butyl radical cation.

Because all molecular ions fragment, a few compounds have mass spectra that lack a molecular ion peak. That is not a problem you will encounter at A'level. In the mass spectrum of pentane, for example, the heaviest ion has an m/z value of 72.

Lines with m/z values one or two lower than one of the simple lines, for example, are frequently caused by the loss of one or more hydrogen atoms during the fragmentation process. The base peak (the tallest peak and thus the most common fragment ion) is at m/z = 57 this time. This, however, is not produced by the same ion as the pentane m/z value peak.

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The volume of oxygen required at STP is 7 L.

STP is a pressure of a hundred kPa and a temperature of 273.15 k. Or, 1 mole of any perfect gasoline occupies 22.7 L at STP.

therefore, we need to discover the range of moles of oxygen required within the reaction.

using the molar mass of water,

10.five g × 1 mole of water/ 18.02 g = 0.577 moles of water.

1: 2 is the ratio between oxygen and water in a water molecule, because of this 1 mole of oxygen produces 2 moles of water.

0.577 moles of H₂O × 1 mole O₂ / 2 moles of H₂O = zero.2885 moles O₂.

So, if 22.7 L at STP is occupied via 1 mole, then

zero.2885  × 22.7 L / 1 mole = 6.548 L

Rounded to the nearest entire wide variety, we get 7 L.

consequently, the quantity of oxygen at STP is 7L.

standard temperature and strain (STP) is described as 0oC (273.15K) and 1atm strain. The molar extent of a gasoline is the extent of 1 mole of a fuel at ​​​​​​​ STP . At STP, one mole (6.02×1023 representative debris) of any gasoline occupies a volume of twenty-two.4L

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