Distinguish between polarizability and polarity. How does each influence intermolecular forces?

Dimethylsulfide forms when DMSO reacts with oxygen.

Oxidation reactions are reactions in which a compound or element reacts with oxygen to form an oxidized product.

In an oxidation reaction, the oxidation number of one of the compound that reacts increases.

In the reaction of DMSO with oxygen, dimethylsulfoxide is oxidized to dimethylsulfide.

In conclusion, the oxidation of dimethylsulfoxide yields an oxidized product.

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While geothermal energy is energy that comes from heat contained in the bowels of the earth and is generally associated with the presence of volcanoes. Technically, water that comes from, among other things, rain will seep into the rock beneath the ground until it reaches the reservoir rock.

Geothermal electricity generation is done by drilling the ground in areas that have geothermal potential to create hot gas holes which will be used to heat the boiler so that the steam can drive a steam turbine connected to a generator. For geothermal energy that has high pressure, it can directly rotate the generator turbine, after the steam that comes out is cleaned first.

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A 14-year-old adolescent girl, Alice, has been diagnosed with anorexia nervosa. In the assessment of Alice, the findings that are more commonly associated with anorexia nervosa are Dysmenorrhea, decreased body temperature, and Heat intolerance.

Dysmenorrhea: Anorexia nervosa can lead to hormonal imbalances and disruptions in the menstrual cycle, which can cause irregular or absent periods (amenorrhea) and sometimes dysmenorrhea (painful periods).

Decreased body temperature: Anorexia nervosa can lead to lower body weight and reduced body fat, which can result in a lower body temperature. This is a physiological response to conserve energy and maintain the body's functions.

Heat intolerance: Anorexia nervosa can affect the body's ability to regulate temperature properly, leading to increased sensitivity to heat or cold. Individuals with anorexia may feel more discomfort or intolerance in extreme temperatures.

Hence,  the findings that are more commonly associated with anorexia nervosa are explained above.

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Making both reactants in excess and the concentration of Fe(SCN)* can be determined, Making FeSt in excess and SCN as the limiting reactant and the concentration of Fe(SCN)* will be equal to the concenation of SCN.

A reagent, sometimes known as an analytical reagent, in chemistry is a substance or compound supplied to a system to either initiate a chemical reaction or test whether one happens. Although the terms "reactant" and "reagent" are not frequently used interchangeably, "reactant" refers to a material that is consumed during a chemical reaction. The anion [SCN] is thiocyanate. Thiocyanic acid's conjugate base is it. The colorless compounds potassium thiocyanate and sodium thiocyanate are examples of common derivatives. In the past, pyrotechnics employed mercury(II) thiocyanate. Thiocyanic acid is a hydracid, which is cyanic acid in which the oxygen is substituted by a sulfur atom. SCN is a tiny, very acidic [1] pseudohalide thiolate.

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Answer:

3.5 billion

Explanation:

The coefficient that goes in front of the ECA in the chemical reaction given above is 2.

It has been indicated that coefficient in a chemical reaction is a number that goes in front of an element or compound in a balanced equation. The unbalanced chemical equation for the given reaction is:

\(E_{3} BC_{4} D(CA)_{2}\)  → \(D_{3} (BC_{4} ) ECA\)

The balanced equation of the chemical reaction above is:

\(2E_{3} BC_{4} D(CA)_{2}\)  → \(D_{3} (BC_{4} )_{2} ECA\)

We can see that 2 comes before ECA in the balanced chemical equation above. Therefore, the coefficient that goes in front of the ECA in the chemical reaction given above is 2.

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Specific heat is used to explain why different substances changes the temperature at different rate.

Temperature is a physical quantity which is expressed as quantitatively the perceptions of the coldness and hotness. Temperature is measured with a thermometer.

It is defined as the amount of heat which is used to require to increase the temperature by 1°C.

The SI unit thorough which it is measured is J/ g/ °C.

Let's take an example of specific heat of water which is 4.184J/ g/ °C.

Therefore, specific heat is used to explain why different substances changes the temperature at different rate.

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(1) Molarity of the solution is 0.450 M (2) Percentage by mass is 5%. (3) difference between two concentrations is unit of measurement. (4) because it provides a measure of the concentration of a solute in a solution in relation to its total mass.

1) Molarity = (moles of solute) / (volume of solution in liters)

To find the moles of solute, divide the mass of solute by its molar mass:

moles = 5g / 110 g/mol = 0.045 moles

The volume of the solution is 100 mL, which is equal to 0.100 L:

Molarity = 0.045 moles / 0.100 L = 0.450 M

2) To convert to percent by mass, multiply the mass of solute by 100 and divide by the mass of the solution:

Percent by mass = (mass of solute / mass of solution) x 100%

Percent by mass = (5g / (100 mL x 1 g/mL)) x 100% = 5%

3) The difference between molarity and percent by mass is the units of measurement. Molarity is the number of moles of solute per liter of solution, while percent by mass is the mass of solute per hundred grams of solution.

4) Molarity is often used in chemical reactions, as it measures the number of moles of solute present in a solution, which is directly related to the amount of substance present and can be used to calculate the amounts of reactants and products in a reaction. On the other hand, percent by mass is commonly used in food and pharmaceutical industries, as it provides a measure of the concentration of a solute in a solution in relation to its total mass.

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A strong sharp signal at 1715 cm-1 on an FTIR spectrum indicates the presence of a carbonyl functional group.

An FTIR spectrum provides information about the types of functional groups present in a molecule. A strong, sharp signal at 1715 cm-1 is indicative of the presence of a carbonyl functional group, which is characterized by the C=O bond stretching vibration. A carbonyl functional group is present in compounds such as aldehydes, ketones, carboxylic acids, and esters. The position of the carbonyl group in a molecule can also be determined by analyzing the FTIR spectrum.

For example, in an aldehyde, the carbonyl group will be located at the end of the carbon chain, while in a ketone, the carbonyl group will be located within the carbon chain. Therefore, by analyzing the FTIR spectrum of a sample, the type and location of the carbonyl functional group can be identified, which provides valuable information about the sample's chemical structure and properties.

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Half-life is the time taken for the concentration of the substance to reduce by 50%. The original sample of strontium had a mass of 1.6 gms. Thus, option d is correct.

The half-life of any radioactive substance is the time period at which the concentration will get reduced to half the initial amount. The initial mass of Sr-90 is calculated as,

\(N(t) = N_{0} (\dfrac{1}{2})^{ \frac{t }{t 1/2}}\)

Given,

Quantity of the remaining substance N (t) = 0.40 gm

Initial radioactive substance quantity \(N_{0}\) =?

Time duration (t) = 56 years

Half-life = 28 years

Substituting values above:

\(\begin{aligned} 0.40 &= N_{0} (\dfrac{1}{2}) ^{{\frac{56}{28}}\\\\0.40 &= N_{0} (\dfrac{1}{2})^{2}\end{aligned}\)

= 1.6 gm

Therefore, option d. the initial mass of Sr is 1.6 gm.

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The process of photosynthesis requires water and air in addition to grow ,obtain their energy from the sun  and supply oxygen to the environment .

It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy  through the process of cellular respiration.

Some of the energy which is converted  is stored in molecules of carbohydrates like sugar and starches  which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis  are algae and cyanobacteria. Photosynthesis is largely responsible for producing and maintaining the content of oxygen in earth's atmosphere.

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The ratio of hydronium ion concentrations in solution at the pH that results in the highest MP (Metalloprotein) activity to that which results in the lowest MP activity can be calculated using the equation for pH, which is -log[H+]. Since pH and [H+] are inversely proportional, a higher pH value indicates a lower [H+] concentration. Therefore, the ratio of hydronium ion concentrations would be the inverse of the ratio of pH values.

In simpler terms, if the pH resulting in the highest MP activity is 8 and the pH resulting in the lowest MP activity is 4, then the ratio of hydronium ion concentrations would be 10^-8/10^-4, which simplifies to 10^-4. This means that the hydronium ion concentration at the pH resulting in the lowest MP activity is 10,000 times higher than that at the pH resulting in the highest MP activity.

The reason for this is that metalloproteins are sensitive to changes in pH, as they rely on specific amino acids residues to bind to metal ions. A change in pH can disrupt these interactions and reduce MP activity. Therefore, maintaining a stable pH is crucial for optimal MP activity.

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The equilibrium system will change in a way that lowers the concentration of a reaction species if its concentration is increased. The opposite effect will be seen if the concentration of a reaction species is reduced.

Changes in Concentration under Le Chatelier's Principle

The rate of the forward reaction rises as more reactants are added. The rate of the reverse reaction initially remaining constant causes an apparent shift in the equilibrium toward the product, or right, side of the equation.

The equilibrium will change in favor of the reaction that uses the reactants if the concentration of a particular reactant rises, causing the concentration of that reactant to fall. It is preferred to react forward.

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The ionization constant Ka for the weak monoprotic acid if the 0.30 molar solution has the pH of 4 is 3.34 × 10⁻⁶.

The monoprotic acid is the type of the acid that can be donate the only one proton.

Let us consider the weak monoprotic acid that is CH₃COOH, the chemical equation is as  :

             CH₃COOH   ⇄   CH₃COO⁻  +  H⁺

Initial         0.30                      0               0

At eq.       0.30 - x                 x               x

The value of the pH is as :

pH = 3

[H⁺] = 10⁻³ = x

The expression for the Ka is as :

Ka = (10⁻³ )² / (0.30 - 0.001)

Ka = 10⁻⁶ / 0.299

Ka = 3.34 × 10⁻⁶

The ionization constant Ka for the weak monoprotic acid is 3.34 × 10⁻⁶.

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Transform something quickly: Using the molecular mass finder and the number of moles of CuSO4, 1 mole of Copper(II) sulphate equals 159.6086 gram.

1 mole in grams, how much?

Theoretically, the Carbon-12 atom has this atomic mass   As a result, a mole of carbon is exactly equivalent to a gram of carbon, or its atomic mass or weight (12 grams). It is known as a 1 molecular (1M) solution when a substance is dissolved in 1 liter of liquid (1mol/L), a 0.5 molecular (0.5M) solution when it is dissolved in 2 liters of liquid (0.5mol/L), and so on.

What is 1 mole's molarity?

A solution that contains 1 mole of a substance dissolved in a volume of 1 litre is known as a 1 molar solution. For instance: One mole (or one gram) of table salt (NaCl) has a molecular weight of 58.44, making 58.44g the molecular mass of one gram. The number of molecules per liter, denoted by the unit signature mol/L or mol/dm3 for SI units, is the most often used unit denoting molarity in chemistry. One mol/L of a solution's concentration is referred to as one molar, or 1 M.

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Sub-system E gained 1kJ of heat. Heat is the result of the movement of kinetic energy within a material or an item, or from an energy source to a material or an object.

From the equation

qA + qB + qC + qD + qE = 0

we can solve to get

qE = -(qA + qB + qC + qD)

Reading through the problem , we can make the following variable assignment :

qA = -7 KJ

qB = 4 KJ

qC = -1 kJ

qD = 3 kJ

substituting these values into the equation , we have

qE = -((-7kJ ) + 4kJ + (-1kJ) + 3kJ) = -(-1kJ) = 1kJ

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Answer:

1.6cm3

Explanation:

density = mass/volume

15.6g/cm3= 9.75 g/volume

15.6/9.75 = volume

1.6cm3 = volume

Answer:

Matter

Explanation:

The Law of Conservation of Mass

The phosphorylation of fructose 6-phosphate to fructose-1,6-bisphosphate is the committed step in glycolysis because. it is the rate-limiting step

The first step in the metabolism of carbohydrates is frequently their phosphorylation. Because the phosphate group stops the molecules from migrating back across the transporter, phosphorylation enables cells to store carbohydrates. Glucose phosphorylation is a crucial step in the metabolism of sugar. In the first phase of glycolysis, D-glucose is converted to D-glucose-6-phosphate using the chemical equation D-glucose + ATP D-glucose-6-phosphate + ADP G° = 16.7 kJ/mol (° signifies measurement under standard conditions).

The rate-limiting stage in the liver's metabolism of glucose is the initial rate of phosphorylation of glucose (ATP-D-glucose 6-phosphotransferase) and non-specific hexokinase. Hepatic cells are freely permeable to glucose (ATP-D-hexose 6-phosphotransferase).

encouraging certain glucose transporters to translocate to the cell membrane.

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Waves have energy that causes particles in matter to vibrate, which is why they can transfer energy and heat through matter.

The frequency of a wave is a degree of what number of oscillations or cycles of the wave arise in a given time period. It is measured in hertz (Hz). The electricity of a wave is associated with its frequency in that the higher the frequency of the wave, the extra electricity it contains. This is due to the fact greater oscillations according to 2nd manner that extra electricity is being transferred in a given amount of time. So, waves with better frequency have more power than waves with decrease frequency. That is why waves with high frequency like X-rays and Gamma rays are considered dangerous as they create more energy and may reason ionization, even as waves with low frequency like Radio waves are less dangerous as they bring less energy.

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[ Diagram - refer to attachment ]

The correct statements that describe the bonding in the nitrate ion are:

- There are three σ bonds: one is formed by the overlap of sp2 hybrid orbitals on N & O. Two are formed by the overlap of an sp2 hybrid orbital on N & an sp3 hybrid orbital on O.
- There is a delocalized π bond formed by the overlap of the four p orbitals on N & O.


The nitrate ion, NO3-, has a total of 24 valence electrons. The nitrogen atom is bonded to three oxygen atoms through sigma bonds, and there is also a delocalized pi bond that is formed by the overlap of the four p orbitals on N & O. The three sigma bonds are formed by the overlap of sp2 hybrid orbitals on N with sp2 hybrid orbitals on O, and the overlap of an sp2 hybrid orbital on N with an sp3 hybrid orbital on O.

The delocalized pi bond is formed by the overlap of the four p orbitals on N & O, which allows for the electrons to be shared among all of the atoms in the molecule. This delocalized pi bond gives the nitrate ion its resonance structures and contributes to its stability.

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Mole fraction of dextrose = moles of dextrose / total moles of solution

Total moles of solution = moles of dextrose + moles of water

Given, moles of dextrose = 0.25 mol

Moles of water = 89.48 mol

Total moles of solution = 0.25 mol + 89.48 mol = 89.73 mol

Mole fraction of dextrose = 0.25 mol / 89.73 mol = 0.0028

Rounding to 2 significant figures, the mole fraction of dextrose in the solution is 0.0028.

Ionic bonds are a type of bond formed with the attraction between oppositely charged ions to form a chemical compound, this type of bond will have a transfer of electrons, from the positively charged ion (cation) to the negatively charged ion (anion). Since this type of bonding heavily depend on the electronegativity of the elements, we will have compounds formed with metals, located more to the left in the periodic table, mostly group 1 and 2, and with nonmetals, more to the right in the periodic table, one example of this type of bond is Chlorine (nonmetal anion) and Lithium (metal cation).

Covalent bonds are a type of bond formed with the sharing of electrons between two elements with no big difference in their electronegativity, usually, we will see nonmetals in this type of bond, since their difference in electronegativity is not as relevant as the difference between metals and nonmetals, one example of this type of chemical bond is Nitrogen and Oxygen, 2 nonmetals that can bond together.

Metallic bond, as the name suggest, is a type of bond that will strictly involve metals and not nonmetals, this type of bond has many properties but the low electronegativity in general is one of these properties, one example for this bond is Gold and Gold

Therefore the answers are:

Gold and Gold = metallic

Nitrogen and Oxygen = covalent

Chlorine and Lithium = ionic

In the given chemical equation, HCO3−+H2O→OH−+H2CO3, the acid-base pair is formed between HCO3− and H2CO3.

HCO3− is the base and H2CO3 is the conjugate acid. When HCO3− accepts a proton (H+) from H2O, it forms its conjugate acid, H2CO3.

Similarly, when H2CO3 donates a proton (H+) to OH−, it forms its conjugate base, HCO3−.

A conjugate acid-base pair is formed when an acid donates a proton to a base and forms its conjugate base, and the base accepts a proton and forms its conjugate acid.

In this reaction, HCO3− accepts a proton from H2O and forms its conjugate acid, H2CO3, and H2CO3 donates a proton to OH− and forms its conjugate base, HCO3−. Thus, the conjugate acid-base pair in this reaction is H2CO3 and HCO3−.

To summarize, the conjugate acid-base pair in the given reaction is H2CO3 and HCO3−, where H2CO3 is the conjugate acid and HCO3− is the conjugate base.

Understanding the concept of conjugate acid-base pairs is important in many areas of chemistry, including acid-base equilibria, buffer solutions, and chemical reactions.

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Answer:

Please make me brainalist and keep smiling dude I hope you will be satisfied with my answer is updated

Explanation:

Down a group, the number of energy levels (n) increases, so there is a greater distance between the nucleus and the outermost orbital. This results in a larger atomic radius.

By performing the necessary calculations and comparing the Q/K ratios, we can determine whether calcite or dolomite would form first in the given water sample with [Mg2+]∼0.10 mmol/L.

To determine which mineral, calcite or dolomite, would form first in the given water sample with [Mg2+]∼0.10 mmol/L, we need to calculate the saturation index (SI) for each mineral by comparing the Q/K ratios. The mineral with the higher SI will be more likely to precipitate first.

The saturation index (SI) is calculated by comparing the ion activity product (Q) with the equilibrium constant (K) for a particular mineral. In this case, we have the equilibrium reaction: CaMg(CO3​)2​⇌Ca2++Mg2++2CO3​2−.

For calcite, the Q/K ratio can be calculated using the concentration of Ca2+ and CO3​2− ions in the water sample. Since dolomite contains both Ca2+ and Mg2+ ions, we need to consider the concentration of Mg2+ as well.

By comparing the Q/K ratios for calcite and dolomite, we can determine which mineral has a higher saturation index (SI). The mineral with the higher SI will be more likely to precipitate first.

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Different hormones responsible for different emotions have different structures. Hormones are responsible for regulating different emotional states in humans, including love, fear, stress, and anxiety. Hormones have different structures that determine their function in the body. For example, cortisol has a more complex structure than adrenaline and noradrenaline, and it is responsible for controlling the body's stress response system.

Hormones are the chemicals produced by different glands in the body, including the pituitary gland, adrenal gland, and hypothalamus, among others. Hormones are responsible for various emotions, including love, stress, fear, and anxiety, among others. In this sense, hormones are critical in regulating the emotional state of individuals. Hormones, however, have different structures, depending on the type of hormone. The structures are essential in the determination of the hormone's function in the body, including the emotions they elicit.
The different hormones responsible for different emotions have different structures. For example, adrenaline and noradrenaline have similar structures and are responsible for eliciting the fight or flight response in humans. Adrenaline and noradrenaline are both produced by the adrenal gland. Another hormone that is responsible for stress is cortisol, produced by the adrenal gland. Cortisol has a more complex structure than adrenaline and noradrenaline and is responsible for controlling the body's stress response system.
The hormone oxytocin is responsible for love and social bonding. Oxytocin is produced in the hypothalamus and released into the bloodstream. It has a peptide structure and is responsible for eliciting the feeling of love and social bonding. The hormone dopamine, on the other hand, is responsible for the feeling of pleasure and reward. Dopamine is produced in the brain, and it has a similar structure to adrenaline and noradrenaline.

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Answer:

Explanation:

Answer:

S02

Explanation:

Based on it

it cause the base when dissolving in water