What is Sodium Chloride name?

Kelp, as photosynthesizes, remove carbon dioxide from the water, perhaps making conditions less acidic and hence more conducive for a variety of marine creatures.

Because kelp biomass is concentrated towards the surface in the canopy zone, increased kelp photosynthesis can raise dissolved oxygen and pH in surface waters relative to deeper water (Frieder et al., 2012; Koweek et al., 2017).

Kelp takes CO2 into its tissues through the process of photosynthesis. They have an exceptional potential to store 200 million tons of CO2 every year because to their fast development. However, their natural carbon sequestration capacity has been estimated to reach 1-10 billion tons per year!

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To assign formal charges to the atoms in a Lewis structure, you need to count the number of electrons around each atom and compare it to the number of electrons it would have in an isolated (neutral) atom of the same element.

In the hydrogen cyanide (HCN) molecule, nitrogen (N) is the central atom and has five electrons in its valence shell. Hydrogen (H) atoms each have one electron in their valence shell. To form a stable Lewis structure, N must have an octet of electrons (eight electrons in its valence shell), so it must share electrons with the hydrogen atoms.

Here's the calculation for each atom:

Nitrogen: In an isolated N atom, there would be 5 electrons in its valence shell. In the HCN molecule, N has 5 shared electrons and 8 electrons in total, giving it a formal charge of 0.

Hydrogen: In an isolated H atom, there would be 1 electron in its valence shell. In the HCN molecule, each H has 1 shared electron, giving it a formal charge of 0.

So, the Lewis structure of HCN has formal charges of 0 on all atoms, which means it is a neutral species

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Atoms involved in a non-polar equally share electrons; there is no charge separation to the molecule.

A nonpolar bond is a type of covalent bond in which the electrons are shared equally between the two atoms forming the bond. This means that the electronegativity of both atoms is similar and there is no separation of charge within the molecule.

As a result, nonpolar bonds are characterized by an absence of polarity or a lack of separation of electric charge.

Examples of nonpolar bonds include bonds between two identical atoms, such as H-H or C-C, as well as bonds between atoms with similar electronegativities, such as N-H or C-O. These bonds are found in molecules that are considered to be nonpolar, such as methane (CH4) and carbon dioxide (CO2).

It is important to note that even though a bond may be nonpolar, the molecule as a whole may still have a polar character if the distribution of electronegativities is uneven across the molecule.

Therefore, Atoms involved in a non-polar equally share electrons; there is no charge separation to the molecule.

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PV = nRT, P is for pressure, V is for volume, n is for moles of gas, R for the ideal gas constant, and T is for temperature. The molecular balloon's volume is calculated as V = 0.05 kg / (1.100 atm * 0.08206 L-atm/K-mole * 268.15 K) = 0.001298 m3 by plugging in the specified parameters.

Since so many different types of creatures need molecular balloon oxygen for breathing, it is crucial for life. Combustion of fossil fuels also requires it. Because of its high chemical reactivity, molecular oxygen frequently reacts with other elements and compounds to generate oxides. We rely on plant photosynthesis to replace the molecular oxygen in the atmosphere; if photosynthesis were to cease, atmospheric oxygen levels would gradually fall to almost zero. It is significant therapeutically since all creatures, including humans, breathe molecular oxygen and need it for metabolism. Additionally to being used as a medicinal component in oxygen treatment and hyperbaric chambers, molecular oxygen is also a component of the breathing gas used in space exploration and SCUBA diving.

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The mass of 3.10 × 10^23 molecules of nitrogen ([tex]N_{2}[/tex]) is 87.106 kg

Molar mass is the mass of one mole of a substance. It is defined as the number of grams in one mole of a substance and is typically expressed in units of g/mol. It is a useful concept in chemical calculations as it allows us to convert between the number of moles of a substance and its mass.

The molar mass is calculated as the sum of the atomic masses of all the atoms in a molecule.

For example, the molar mass of water (H2O) is 18.015 g/mol, which is the sum of the atomic masses of two hydrogen atoms (1.01 g/mol each) and one oxygen atom (16.00 g/mol).

The mass of 3.10 × 10^23 molecules of nitrogen, N2, can be calculated as follows:

The molar mass of nitrogen, N2, is 28.02 g/mol.

mass = (3.10 × 10^23 molecules) * (28.02 g/mol) = 87.106 × 10^23 g = 87.106 kg

So, the mass of 3.10 × 10^23 molecules of nitrogen, N2, is 87.106 kg.

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The difference in melting points based on the types of intermolecular forces are based on electrons or charged ions; while relative strengths of intermolecular forces affected by molecular size and shape.

The melting point of a substance is directly related to the strength of the intermolecular forces between its molecules. The stronger the intermolecular forces, the more energy is required to break them and thus the higher the melting point.

There are three main types of intermolecular forces: ionic, covalent, and van der Waals forces.

The relative strength of intermolecular forces, and therefore the melting point, can be influenced by factors such as molecular size and shape, the type and number of bonds between atoms, and the type and strength of any polar or nonpolar interactions.

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The number of moles in 14.5 grams of butane is 0.25 moles.

The number of moles in a substance can be calculated by dividing the mass of the substance by its molar mass as follows:

moles = mass ÷ molar mass

According to this question, there are 14.5 grams of butane in a sample. The number of moles of butane in this sample can be calculated as follows:

Molar mass of butane = 58g/mol

moles = 14.5g ÷ 58g/mol

moles = 0.25moles

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The concentration of naphthalene in the solution can be calculated using the following equation:

Therefore, the concentration of naphthalene in the solution is 13.51%, given that the mass of naphthalene is 13.51g and the total mass of the solution is 100g.

Naphthalene is an aromatic hydrocarbon consisting of two fused benzene rings. It is a white crystalline solid with a characteristic odor, and is commonly found in coal tar and crude oil. It is used in the production of phthalic anhydride and is found in mothballs and other insect repellents. Exposure to naphthalene has been linked to a number of adverse health effects, including anemia, nausea, and damage to the liver and kidneys. It is also a known carcinogen and can be toxic to aquatic organisms.

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The gas pressure will change by a factor of 4 if the volume is doubled and the temperature is halved.

What is temperature?

Temperature is a measure of the average kinetic energy of the molecules in an object or system. It is a measure of the average amount of heat stored in a system. Temperature is a physical property and is typically expressed in units of Kelvin, Celsius, or Fahrenheit. Temperature can be measured using thermometers, which are devices that measure the degree of heat in the environment. Temperature is an important factor in many physical processes, such as the rate of chemical reactions and the speed of sound. It also affects the behavior of many materials, such as how metals expand and contract as they heat up and cool down. Temperature also influences many aspects of biology, including the life cycles of plants and animals. Temperature is an important indicator of climate and is used to monitor regional and global climate trends.

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density = 2530 g/[tex]cm^{3}\\[/tex] is the density of the steel in g/[tex]cm^{3}[/tex]  volume of 1 litre.

To convert 75 [tex]cm^{2}[/tex] to m[tex]m^{2}[/tex], we need to multiply by 100^2 = 10,000. So, 75 [tex]cm^{2}[/tex] = 75 * 10,000 = 750,000 [tex]mm^{2}[/tex].

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The boiling point of ethanol, which has a molecular mass (MW) of 46, is 78 °C (173 °F), while that of propane, which has a MW of 44, is 42 °C (44 °F).

Boiling point of ethanol is 78.37 °C.

What are the uses of ethanol?

Alcoholic beverages including beer, wine, and spirits all contain ethanol when they are diluted. In medicinal preparations (such as rubbing chemicals, lotions, tonics, and colognes), cosmetics, and perfumes, it is employed as a particularly affected to prevent skin infections.

Is ethanol ingestible to humans?

Humans are only capable of drinking ethanol in a safe manner. Other two different types of alcohol are used for production and cleaning, not for brewing beverages. For instance, methanol (also known as denatured alcohol) is a part of the gasoline used in cars and boats.

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Each oxygen atom has four non-bonding valence electrons, or 6 - 2 = 4. Thus, there are two lone electron pairs in each oxygen atom. Consequently, the oxygen molecule possesses four lone electron pair pairs.

The oxygen atom in the structure below carries two lone pairs of electrons. Lone pairs of electrons are pairs of electrons that are located on the core atom of a molecule and are not connected to any other atoms. By examining a molecule's Lewis structure and counting the amount of non-bonded electron pairs on the central atom, they are clearly discernible. The core atom is oxygen, which is joined to two other atoms (presumably hydrogen). The oxygen atom is surrounded by a total of four electron pairs, but only two of them are linked to the hydrogen atoms. The oxygen atom possesses two lone pairs of electrons because the other two electron pairs are unshared, or "lone," pairs.

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Answer:

guard cells

cell membrane

a) The better solvent for NaCl solute is H₂O.

b) The better solvent for HOCH₂CH₂OH solute is CH₃CH₂OH.

c) The better solvent for HOCOCH₂COCH₂OH solute is CH₃COCH(CH₃)₂.

The solubility of a substance means maximum solute dissolved properly in specific amount of solvent. "Like dissolves like" is an important pharse used by chemists to remember the solubility of solute in solvents. depends on the fact that it "dissolves". This means that polar solvents dissolve polar substances and non-polar solvents dissolve non-polar substances. Since benzene is a non-polar solvent, it is a polar compound that dissolves in polar solvents such as water. The way to check solubility of solute in solvent is present in above figure. Now, first solute is sodium chloride, NaCl which is polar in nature due to presence of lone pairs on chlorine atom. So, it is soluble in polar solvent. Thus, H₂O is right. In case of second solute, HOCH₂ CH₂OH , polar molecule is soluble in polar i.e., CH₃CH₂OH. The last solute is HOCOCH₂ COCH₂OH is non-polar molecule so it is soluble in non-polar i.e., CH₃COCH(CH₃)₂.

Hence, we got all required solvents for solutes.

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Complete question:

For each solute click the button under the better solvent: Which is the better solvent? solute NaCl --> CH₃(CH₂)₄OH ; H₂O

b)HOCH₂CH₂OH --> CH₃CH₂OH ; CH₃(CH₂)₅OH

c) HOCOCH₂COCH₂OH --> CH₃COCH(CH₃)₂; CH₃OH

The molality of an aqueous solution prepared by dissolving 0.112 moles of LiCl in 13.7 moles of H2O is 0.454 m

To calculate the molality of an aqueous solution prepared by dissolving 0.112 moles of LiCl in 13.7 moles of H2O, you need to first calculate the mass of solute (LiCl) and the mass of solvent (H2O).

To do this, you need to multiply the number of moles of each substance by their respective molar masses. LiCl has a molar mass of 42.39 g/mol, and H2O has a molar mass of 18.02 g/mol. Therefore, the mass of

LiCl is 0.112 moles x 42.39 g/mol = 4.72 g, and the mass of H2O is 13.7 moles x 18.02 g/mol = 246.4 g.

Once you have the masses of the solute and solvent, you can calculate the molality by dividing the mass of solute by the mass of solvent, and then multiplying the result by 1000. In this case, the result is:

4.72 g / 246.4 g x 1000 = 0.454 m.

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The effect that increasing the Na⁺ Cl⁻ concentration had on the osmotic pressure is it will increase the osmotic pressure.

The osmotic pressure increases because the water diffuses to the higher concentration gradient, till it reaches to the equilibrium. Therefore the pressure will increase.  If increasing the Na⁺ Cl⁻ concentration had on the osmotic pressure is it will increase the osmotic pressure. The osmotic pressure depends on the temperature and the concentration. The  Osmotic pressure is  minimum pressure  applied to a solution to prevent the flow inward.

Thus, the osmotic pressure increase with increase in the Na⁺ Cl⁻ concentration. The  Higher concentrations and the higher temperatures increases the osmotic pressure.

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The amount of heat required to melt solid methanol is 85.0 kJ.

What exactly is melting temperature?

A pure material's melting point is the temperature at which its solid and liquid phases can coexist in equilibrium. When heat is added to a solid, its temperature rises until it reaches its melting point. Further heating will cause the solid to become a liquid without changing the temperature. The surplus heat will boost the temperature of the liquid once the entire solid has melted. A specific melting point, which is a distinct number, can be used to identify compounds and elements. Most mixes and unstructured solids melt across a wide temperature range.

As a result, the melting point of methanol is 85.0 kJ.

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If a molecule is linear then if the central atom in the molecule will forms the two sigma bond and has zero lone pair on it.

The molecule will be the linear molecule if the central atom in the molecule will forms the two sigma bond and has zero lone pair on it. The general formula for the linear molecule is the AX₂.

The one of the example of the linear molecule is CO₂ which has the carbon as a central atom that is joined with the double bond to the two neighboring oxygen atoms and the central atom has zero lone pair of the electrons on the carbon atom.

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Of the following, only "dissolving sugar in water" is a chemical equation.

C12H22O11 (sugar) + H2O (water) → C12H22O11 (dissolved sugar) + H2O (water)

A chemical equation tells us the identity of the reactants and products involved in a chemical reaction, as well as the number of atoms of each element involved. It also shows the balance of electrons in the reaction, ensuring that the number of electrons lost by the reactants is equal to the number of electrons gained by the products.

A balanced chemical equation is crucial because it ensures that the number of atoms of each element is conserved in a reaction. This means that the number of atoms of each element present in the reactants must be equal to the number of atoms of each element present in the products.

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The systematic name for the formula [Cu(en)(NH3)2][Co(en)Cl4] is diamminediaminecopper(II) tetrakis(ethylenediamine)cobalt(III) tetrachloride.

In the systematic name, the first part represents the cation ([Cu(en)(NH3)2]), which is a complex ion composed of a copper(II) ion coordinated to two ethylenediamine (en) molecules and two ammonia (NH3) molecules. The second part represents the anion ([Co(en)Cl4]), which is a complex ion composed of a cobalt(III) ion coordinated to one ethylenediamine (en) molecule and four chloride (Cl) ions.

Ethylenediamine (H2NCH2CH2NH2) is an organic compound that is classified as an amine. It is a colorless, hygroscopic liquid with a strong, ammonia-like odor. Ethylenediamine is commonly used as a building block for the synthesis of other chemicals, such as polymers, pharmaceuticals, and agrochemicals. It is also used as a chelating agent, a corrosion inhibitor, and a solvent.

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Cadmium Telluride (CdTe) is a binary compound of cadmium and tellurium elements. The bonding in CdTe is a combination of ionic and covalent bonding.

Ionic bonding occurs when there is a transfer of electrons from one atom to another, leading to the formation of ions with a positive and negative charge. In the case of CdTe, the electron transfer takes place between the highly electronegative tellurium atom and the electropositive cadmium atom. The tellurium atom gains one electron to form a negative ion (Te^2-), while the cadmium atom loses two electrons to form a positive ion (Cd^2+).

Covalent bonding is the sharing of electrons between two atoms to form a covalent bond. In CdTe, the covalent bonding takes place between the Te^2- and Cd^2+ ions. This type of bonding helps to hold the compound together and gives CdTe its unique electronic and optical properties.

In summary, the bonding in CdTe is a result of the combination of ionic and covalent bonding, which gives it a unique set of properties that make it useful in various applications, including photovoltaics and electronic devices.

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The dissolved oxygen in  [tex]\frac{mg}{l}[/tex]is needed for a solution containing 1  [tex]\frac{mg}{l}[/tex] of  [tex]CH_{2} O[/tex] is  1.0  [tex]\frac{mg}{l}[/tex]

The following biological reaction requires the solution containing the dissolved oxygen in [tex]\frac{mg}{l}[/tex]is 1  [tex]\frac{mg}{l}[/tex] of [tex]CH_{2} O[/tex] is 1  [tex]\frac{mg}{l}[/tex].

An analogy to a chocolate chip cookie recipe is a balanced chemical equation. It displays which materials (the reactants) combine to produce which products (the cookies). Additionally, the numerical correlations between the reactants and products are displayed (such as how many cups of flour are required to make a single batch of cookies).

Now, the following reaction is,

[tex]CH_{2} O + O_{2} - > CO_{2} + H_{2}O[/tex]

The molar mass of [tex]CH_{2} O[/tex] is= 30 [tex]\frac{g}{mol}[/tex]

The molar mass of [tex]O_{2}[/tex] is = 32  [tex]\frac{g}{mol}[/tex]

Now, from the equation 1 mole of  [tex]O_{2}[/tex]   reacts with 1 mole of   [tex]CH_{2} O[/tex]

and 30 g of  [tex]CH_{2} O[/tex] react with 32 g of  [tex]O_{2}[/tex]

So, 1  [tex]\frac{mg}{l}[/tex] of  [tex]CH_{2} O[/tex] needs = [tex]\frac{32}{30}[/tex]× 1  [tex]\frac{mg}{l}[/tex]

1  [tex]\frac{mg}{l}[/tex] of  [tex]CH_{2} O[/tex] needs = 1.0  [tex]\frac{mg}{l}[/tex] of oxygen.                                              

Hence, the oxygen needed is 1.0  [tex]\frac{mg}{l}[/tex] .

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The letter "G" is a symbol that represents a sound in the English language, option 3.

A symbol in the English language is a character or mark that represents a specific sound, word, or concept. In writing, symbols include letters (such as "A," "B," and "C") and punctuation marks (such as "." and ",").

These symbols are used to represent the sounds of spoken language and to convey meaning through written text. Other examples of symbols in the English language include numbers, mathematical symbols, and musical notation. The use of symbols allows us to communicate ideas, thoughts, and information in a clear and efficient manner.

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The molality of dimethyl ether in the solution is 0.0177 mol/g.

Molality is a measure of concentration of a solute in a solution, expressed as the number of moles of solute per kilogram of solvent. It is denoted by the symbol "mol/kg".

Molality is a useful unit for expressing the concentration of a solute in a solution because it takes into account the changing density of the solvent as temperature changes, whereas other units like molarity do not.

To find the molality of dimethyl ether in the solution, we need to find the number of moles of dimethyl ether present in the solution, and then divide it by the mass of the solvent (methanol).

First, we'll find the number of moles of dimethyl ether:

n = m/MM = 90.1 g / 46.07 g/mol = 1.95 moles

Next, we'll find the mass of methanol:

m = 110.0 g

Finally, we'll divide the number of moles of dimethyl ether by the mass of methanol to find the molality:

molality = n/m = 1.95 moles / 110.0 g = 0.0177 mol/g

So, the molality of dimethyl ether in the solution is 0.0177 mol/g.
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The empirical formula of the compound is CH2O, which stands for Carbon (54.5%), Hydrogen (9.1%) and Oxygen (36.1%).

To calculate the empirical formula for a compound, you need to first determine the mass percentage of each element in the compound. Once you have this information, you can divide each mass percentage by the atomic mass of the element it represents.

This will give you the number of moles of each element, which can then be divided by the smallest number of moles amongst them to get the ratio of elements in the compound. This ratio is the empirical formula of the compound.

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The number of mole fractions of a particular element in the solutions reduced either by overall amount of moles in the sample solution is known as the mole fraction.

If 0.010 moles of chloride dissolve in 100 grammes water, estimate the mole fraction of salted water and chloride. Water does have a mole fraction of 0.982 and NaCl does have a mole fraction of 0.018.

The mole fraction is the combination of the number of molecules of a specific component in a mixture and its total molar mass. It is a means to describe how saturated a solution is.

X is a molar fraction representation. The mole fraction would be present if component A and B make up the solution.

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Ancient glass batches contained a lot of alkali content as the alkali carbonates, like plant ashes and natron, were the major raw materials which were used by glassmakers.

Ancient and the historical glasses are basically alkali-lime-silicate glasses. Ancient glass batches contained a large amount of alkali content which can be attributed to the fact that the alkali carbonates, such as plant ashes and natron, were the major raw materials which were consciously used by the ancient glassmakers.

The phosphate content which is present in ancient alkali-glass has also been tested as an indicator for the biogenic ash which used in glass production. Natron, which is used in making the ancient glass, was also used by the Egyptians in mummification.

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The phenomenon of hybridization is the combination of two atomic orbitals to produce a new degenerate hybrid orbital with the same energy levels.

Hybridisation improves bond formation stability over unhybridised orbitals. The hybridisation of molecules allows us to predict their shape.

The valence shell is the set of orbitals that can accept electrons energetically to form chemical bonds.

The valence shell for main-group elements is formed by the ns and np orbitals in the outermost electron shell.

Valence electrons are the outside electrons involved in bonding. Because valance electrons can only exist in the s and p orbitals, an atom can have 0 to 7 of them.

Noble gases are atoms that lack valence electrons and dislike bond formation.

So, [tex]C_{a} and C_{c}[/tex] are [tex]sp^{2}[/tex] hybridized whereas [tex]C_{b}[/tex] is pi-bond with other C-atom.

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The intermolecular forces that contribute to creating a solution of CH2Cl2 in H2O are:

H-bonding does not occur in this case as CH2Cl2 is a non-polar molecule and does not possess a hydrogen atom that is bonded to an atom with a high electronegativity such as nitrogen, oxygen or fluorine.

Hence, it can be noted that in order to create a solution of CH2Cl2 in H2O, you would have to use the intermolecular forces which are the London Dispersion Forces and Dipole-dipole Interactions

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5 grams of salt (NaCl) is added to 170 ml of water is New boiling point 100.443^oC, New freezing point -1.584^oC.

The boiling point of water is 100 degrees Celsius, and almost everyone is aware with the freezing point of water, which is 0 degrees Celsius. When substance is dissolved into a liquid, the freezing and boiling points alter; the freezing point decreases and the boiling point increases.

Water's freezing point or temperature is 0°C, whereas its boiling point or temperature is 100°C. Q. Water's temperature does not vary when heated to either its boiling or melting point. The increasing of a solvent's boiling point as a result of the addition of a solute is known as boiling point elevation.

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